{"id":4247,"date":"2025-07-29T09:08:04","date_gmt":"2025-07-29T09:08:04","guid":{"rendered":"https:\/\/www.dotcomblinds.com\/blog\/?p=4247"},"modified":"2025-07-04T07:49:09","modified_gmt":"2025-07-04T07:49:09","slug":"how-to-measure-cassette-blinds-for-a-flawless-fit","status":"publish","type":"post","link":"https:\/\/www.dotcomblinds.com\/blog\/how-to-measure-cassette-blinds-for-a-flawless-fit\/","title":{"rendered":"How to Measure Cassette Blinds for a Flawless Fit"},"content":{"rendered":"<p data-start=\"229\" data-end=\"590\">When it comes to made-to-measure blinds, cassette blinds offer one of the sleekest, most polished finishes available. With their discreet headrail that conceals both the fabric and mechanism, they deliver a clean, contemporary look that transforms any window into a design feature. But to enjoy their full effect, one thing is essential: <strong data-start=\"567\" data-end=\"589\">accurate measuring<\/strong>.<\/p>\n<p data-start=\"592\" data-end=\"876\">Whether you&#8217;re fitting your cassette blinds inside the recess for a streamlined appearance, or outside the recess to maximise coverage and minimise light leakage, getting the measurements right is critical. Even a few millimetres off can affect the fit, operation, and overall finish.<\/p>\n<p data-start=\"878\" data-end=\"1120\">In this step-by-step guide, we\u2019ll walk you through exactly how to measure for cassette blinds\u2014whether you\u2019re choosing a recess fit or an exact fit\u2014so you can order with complete confidence and enjoy a flawless installation. Let\u2019s get started.<\/p>\n<nav>\n<h2>Table of Contents<\/h2>\n<ul>\n<li><a href=\"#why-cassette-blinds-are-unique\">Why Cassette Blinds are Unique (and Why Measuring Carefully Matters!)<\/a><\/li>\n<li><a href=\"#essential-tools\">Essential Tools You&#8217;ll Need<\/a><\/li>\n<li><a href=\"#measuring-tips\">General Measuring Tips for Success<\/a><\/li>\n<li><a href=\"#measuring-inside-recess\">Part 1: Measuring for Cassette Blinds Inside the Window Recess<\/a><\/li>\n<li><a href=\"#measuring-outside-recess\">Part 2: Measuring for Cassette Blinds Outside the Window Recess (Exact Fit)<\/a><\/li>\n<li><a href=\"#specific-scenarios\">Dealing with Specific Scenarios<\/a><\/li>\n<li><a href=\"#final-checklist\">Before You Click &#8220;Order&#8221;: Your Final Checklist<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 id=\"why-cassette-blinds-are-unique\">Why Cassette Blinds are Unique (and Why Measuring Carefully Matters!)<\/h2>\n<p data-start=\"234\" data-end=\"575\">\n<p data-start=\"234\" data-end=\"575\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4250\" src=\"https:\/\/www.dotcomblinds.com\/pub\/wp\/wp-content\/uploads\/2025\/07\/Why-Cassette-Blinds-are-Unique.jpg\" alt=\"Why Cassette Blinds are Unique\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Why-Cassette-Blinds-are-Unique.jpg 1536w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Why-Cassette-Blinds-are-Unique-300x200.jpg 300w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Why-Cassette-Blinds-are-Unique-1024x683.jpg 1024w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Why-Cassette-Blinds-are-Unique-768x512.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p data-start=\"234\" data-end=\"575\">\n<p data-start=\"234\" data-end=\"575\">Cassette blinds offer a sleek, modern upgrade over standard roller blinds. What sets them apart is their distinctive headrail (or cassette) that fully encloses the blind fabric and mechanism when raised. This clever design not only creates a tidy, minimalist look but also improves light control and protects the fabric from dust and damage.<\/p>\n<p data-start=\"577\" data-end=\"661\">However, this smart design comes with one important requirement: accurate measuring.<\/p>\n<p data-start=\"663\" data-end=\"674\">Here\u2019s why:<\/p>\n<h3 data-start=\"676\" data-end=\"711\">1. <strong data-start=\"683\" data-end=\"711\">Precise Fit is Paramount<\/strong><\/h3>\n<p data-start=\"712\" data-end=\"1040\">When fitting inside a window recess, the cassette itself must slot in perfectly. Even a few millimetres out can prevent the cassette from sitting flush, which may result in gaps, poor operation, or the need to reorder. There\u2019s less tolerance for error compared to standard roller blinds, so your measurements need to be spot on.<\/p>\n<h3 data-start=\"1042\" data-end=\"1074\">2. <strong data-start=\"1049\" data-end=\"1074\">Obstruction Awareness<\/strong><\/h3>\n<p data-start=\"1075\" data-end=\"1372\">Cassette blinds are bulkier at the top due to the housing unit. If your window has handles, air vents, or other protrusions near the glass, they can interfere with the blind\u2019s positioning or movement. Measuring carefully ensures the cassette can be installed without clashing with these obstacles.<\/p>\n<h3 data-start=\"1374\" data-end=\"1409\">3. <strong data-start=\"1381\" data-end=\"1409\">Fabric vs. Overall Width<\/strong><\/h3>\n<p data-start=\"1410\" data-end=\"1734\">It\u2019s important to understand that the fabric width is narrower than the total cassette width. This is due to the end caps and operating mechanism on either side. So, if you\u2019re aiming for full coverage (particularly for light control), you must factor in the overall cassette width\u2014not just the visible fabric\u2014when measuring.<\/p>\n<p data-start=\"1736\" data-end=\"1907\">In short, cassette blinds deliver a premium finish, but only when sized and fitted correctly. Getting your measurements right is the key to unlocking their full potential.<\/p>\n<h2 id=\"essential-tools\">Essential Tools You&#8217;ll Need<\/h2>\n<p data-start=\"100\" data-end=\"264\">Before you get started, it\u2019s important to have the right tools to hand. Accurate measuring is all about precision, and the right equipment makes all the difference.<\/p>\n<p data-start=\"266\" data-end=\"290\">Here\u2019s what you\u2019ll need:<\/p>\n<ul>\n<li><strong data-start=\"298\" data-end=\"320\">Metal Tape Measure: <\/strong>A must-have for reliable results. Unlike cloth or plastic tape measures, metal ones stay rigid and won\u2019t stretch, helping you get accurate, consistent readings.<\/li>\n<li><strong data-start=\"491\" data-end=\"501\">Pencil: <\/strong>Use this to lightly mark your measurements on the wall or window frame if needed. Pencil marks are easy to see and just as easy to remove.<\/li>\n<li><strong data-start=\"650\" data-end=\"671\">Paper or Notebook: <\/strong>Always write your measurements down clearly as you go. It\u2019s easy to forget numbers or mix them up, especially if you\u2019re measuring multiple windows.<\/li>\n<li><strong data-start=\"829\" data-end=\"865\">Step Stool or Ladder (if needed): <\/strong>If your windows are positioned higher up, make sure you can reach them safely. A secure step stool or small ladder will help you measure without stretching or straining, which could lead to errors.<\/li>\n<\/ul>\n<p data-start=\"1067\" data-end=\"1167\">Having everything ready before you start will make the process quicker, smoother, and more accurate.<\/p>\n<h2 id=\"measuring-tips\">General Measuring Tips for Success<\/h2>\n<p data-start=\"137\" data-end=\"394\">Getting your measurements right is key to a <a href=\"https:\/\/www.dotcomblinds.com\/blinds\/cassette-blinds\">perfect-fitting cassette blind<\/a>. Even small miscalculations can affect how the blind operates or looks once installed. Follow these general tips to ensure your measurements are as accurate and reliable as possible:<\/p>\n<h3 data-start=\"396\" data-end=\"435\">\u2022 <strong data-start=\"402\" data-end=\"433\">Measure in Millimetres (mm)<\/strong><\/h3>\n<p data-start=\"436\" data-end=\"563\">Always use millimetres for made-to-measure blinds. This provides the highest level of accuracy and helps avoid rounding errors.<\/p>\n<h3 data-start=\"565\" data-end=\"603\">\u2022 <strong data-start=\"571\" data-end=\"601\">Measure in Multiple Places<\/strong><\/h3>\n<p data-start=\"604\" data-end=\"804\">Window openings are rarely perfectly square, especially in older homes. Measure the <strong data-start=\"688\" data-end=\"706\">width and drop<\/strong> in at least three positions:<br data-start=\"735\" data-end=\"738\" \/>\u2013 Width: top, middle, and bottom<br data-start=\"770\" data-end=\"773\" \/>\u2013 Drop: left, centre, and right<\/p>\n<h3 data-start=\"806\" data-end=\"866\">\u2022 <strong data-start=\"812\" data-end=\"864\">Record the Smallest Measurement (for Recess Fit)<\/strong><\/h3>\n<p data-start=\"867\" data-end=\"1047\">When measuring for an <strong data-start=\"889\" data-end=\"906\">inside recess<\/strong> fit, always use the smallest measurement you recorded. This ensures the cassette will fit snugly without rubbing or being forced into place.<\/p>\n<h3 data-start=\"1049\" data-end=\"1124\">\u2022 <strong data-start=\"1055\" data-end=\"1122\">Record the Largest Measurement (for Exact Fit \/ Outside Recess)<\/strong><\/h3>\n<p data-start=\"1125\" data-end=\"1289\">If you\u2019re fitting the blind <strong data-start=\"1153\" data-end=\"1175\">outside the recess<\/strong>, use the <strong data-start=\"1185\" data-end=\"1206\">widest or longest<\/strong> measurement. This ensures full coverage and avoids light seepage around the edges.<\/p>\n<h3 data-start=\"1291\" data-end=\"1326\">\u2022 <strong data-start=\"1297\" data-end=\"1324\">Double-Check Everything<\/strong><\/h3>\n<p data-start=\"1327\" data-end=\"1511\">Measure twice\u2014or even three times\u2014before writing down your final numbers. It\u2019s easy to misread the tape or record a figure incorrectly, and small errors can lead to big fitting issues.<\/p>\n<h3 data-start=\"1513\" data-end=\"1552\">\u2022 <strong data-start=\"1519\" data-end=\"1550\">Identify Obstructions Early<\/strong><\/h3>\n<p data-start=\"1553\" data-end=\"1749\">Check around your window for anything that could interfere with the blind\u2019s operation. This might include:<br data-start=\"1659\" data-end=\"1662\" \/>\u2013 Window handles<br data-start=\"1678\" data-end=\"1681\" \/>\u2013 Air vents<br data-start=\"1692\" data-end=\"1695\" \/>\u2013 Tiles<br data-start=\"1702\" data-end=\"1705\" \/>\u2013 Skirting boards<br data-start=\"1722\" data-end=\"1725\" \/>\u2013 Radiators or sockets<\/p>\n<p data-start=\"1751\" data-end=\"1855\">Make a note of any obstruction\u2019s <strong data-start=\"1784\" data-end=\"1806\">depth and position<\/strong>, as this will affect where the cassette can sit.<\/p>\n<p data-start=\"1857\" data-end=\"2004\">Taking the time to follow these tips will save you hassle, prevent fitting problems, and give your cassette blinds a professional, flawless finish.<\/p>\n<h2 id=\"measuring-inside-recess\">Part 1: Measuring for Cassette Blinds Inside the Window Recess<\/h2>\n<p data-start=\"135\" data-end=\"348\">\n<p data-start=\"135\" data-end=\"348\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4248\" src=\"https:\/\/www.dotcomblinds.com\/pub\/wp\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Inside-the-Window-Recess.jpeg\" alt=\"Measuring for Cassette Blinds Inside the Window Recess\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Inside-the-Window-Recess.jpeg 1536w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Inside-the-Window-Recess-300x200.jpeg 300w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Inside-the-Window-Recess-1024x683.jpeg 1024w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Inside-the-Window-Recess-768x512.jpeg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p data-start=\"135\" data-end=\"348\">\n<p data-start=\"135\" data-end=\"348\">Choosing an <strong data-start=\"147\" data-end=\"168\">inside recess fit<\/strong> gives your cassette blinds a sleek, built-in appearance, with the blind sitting neatly within your window frame. It\u2019s a popular choice for modern interiors and minimalist styling.<\/p>\n<h3 data-start=\"350\" data-end=\"380\">Understanding &#8220;Recess Fit&#8221;<\/h3>\n<p data-start=\"382\" data-end=\"764\">On your DotcomBlinds order, you\u2019re providing us with the <strong data-start=\"472\" data-end=\"503\">exact internal measurements<\/strong> of your window recess. We\u2019ll then apply a small deduction\u2014typically between <strong data-start=\"580\" data-end=\"589\">3\u20135mm<\/strong>\u2014to the width to ensure the blind fits comfortably within the space. This allowance prevents snagging and ensures smooth operation, even if your walls aren\u2019t perfectly square.<\/p>\n<h3 data-start=\"795\" data-end=\"838\">\u2705 Check for Recess Depth &amp; Obstructions<\/h3>\n<p data-start=\"840\" data-end=\"951\">Before you start measuring, it\u2019s essential to assess whether your recess is deep enough and clear of obstacles:<\/p>\n<h4 data-start=\"953\" data-end=\"993\">\u2022 <strong data-start=\"960\" data-end=\"991\">Cassette Depth Requirements<\/strong><\/h4>\n<p data-start=\"994\" data-end=\"1174\">Cassette blinds require a minimum recess depth to accommodate the headrail and allow the blind to operate freely.<\/p>\n<blockquote data-start=\"1175\" data-end=\"1373\">\n<p data-start=\"1177\" data-end=\"1373\"><em data-start=\"1177\" data-end=\"1373\">Our cassette blinds typically need at least <strong data-start=\"1222\" data-end=\"1230\">70mm<\/strong> depth for top-fixing, or <strong data-start=\"1256\" data-end=\"1264\">60mm<\/strong> for face-fixing within the recess. This ensures proper clearance for the cassette and any window furniture.<\/em><\/p>\n<\/blockquote>\n<h4 data-start=\"1375\" data-end=\"1423\">\u2022 <strong data-start=\"1382\" data-end=\"1421\">Window Handles &amp; Other Obstructions<\/strong><\/h4>\n<p data-start=\"1424\" data-end=\"1815\">Open your window fully and measure how far any handles, latches, or vents project into the recess. If this <strong data-start=\"1531\" data-end=\"1573\">protrusion exceeds the available depth<\/strong> (after accounting for the cassette), an inside recess fit may not be suitable.<\/p>\n<p data-start=\"1424\" data-end=\"1815\"><strong data-start=\"1655\" data-end=\"1679\">Alternative options:<\/strong><\/p>\n<p data-start=\"1424\" data-end=\"1815\">\u2013 Consider face-fixing the brackets further forward (if space allows)<br data-start=\"1751\" data-end=\"1754\" \/>\u2013 Choose an <strong data-start=\"1766\" data-end=\"1794\">exact fit\/outside recess<\/strong> installation instead<\/p>\n<h4 data-start=\"1817\" data-end=\"1861\">\u2022 <strong data-start=\"1824\" data-end=\"1859\">Part-Tiled or Narrowed Recesses<\/strong><\/h4>\n<p data-start=\"1862\" data-end=\"2086\">If your window recess is <strong data-start=\"1887\" data-end=\"1906\">partially tiled<\/strong> or features any narrowing (common in kitchens and bathrooms), measure both:<\/p>\n<p data-start=\"1862\" data-end=\"2086\">\u2013 The width <strong data-start=\"1997\" data-end=\"2022\">above the obstruction<\/strong><br data-start=\"2022\" data-end=\"2025\" \/>\u2013 The width <strong data-start=\"2037\" data-end=\"2064\">between the obstruction<\/strong> (e.g., between tiles)<\/p>\n<p data-start=\"2088\" data-end=\"2307\">If the difference is more than <strong data-start=\"2119\" data-end=\"2130\">20\u201325mm<\/strong>, you may need to work from the narrower measurement or consider an outside recess fit.<\/p>\n<h3 data-start=\"2314\" data-end=\"2353\">\ud83d\udccf Measure the Width (Recess Width)<\/h3>\n<p data-start=\"2355\" data-end=\"2445\">Using your metal tape measure, take three horizontal width measurements inside the recess:<\/p>\n<ol>\n<li data-start=\"2450\" data-end=\"2475\">Across the <strong data-start=\"2461\" data-end=\"2473\">very top<\/strong><\/li>\n<li data-start=\"2479\" data-end=\"2502\">Across the <strong data-start=\"2490\" data-end=\"2500\">middle<\/strong><\/li>\n<li data-start=\"2506\" data-end=\"2532\">Across the <strong data-start=\"2517\" data-end=\"2532\">very bottom<\/strong><\/li>\n<\/ol>\n<p data-start=\"2534\" data-end=\"2641\">Write down each measurement, then record the <strong data-start=\"2579\" data-end=\"2591\">smallest<\/strong> of the three.<br data-start=\"2605\" data-end=\"2608\" \/>\ud83d\udc49 This is your <strong data-start=\"2624\" data-end=\"2640\">Recess Width<\/strong>.<\/p>\n<h3 data-start=\"2648\" data-end=\"2685\">\ud83d\udccf Measure the Drop (Recess Drop)<\/h3>\n<p data-start=\"2687\" data-end=\"2762\">Next, measure the vertical height (drop) inside the recess at three points:<\/p>\n<ol>\n<li data-start=\"2767\" data-end=\"2796\">Down the <strong data-start=\"2776\" data-end=\"2794\">left-hand side<\/strong><\/li>\n<li data-start=\"2800\" data-end=\"2821\">Down the <strong data-start=\"2809\" data-end=\"2819\">centre<\/strong><\/li>\n<li data-start=\"2825\" data-end=\"2853\">Down the <strong data-start=\"2834\" data-end=\"2853\">right-hand side<\/strong><\/li>\n<\/ol>\n<p data-start=\"2855\" data-end=\"2960\">Again, write down all three measurements and use the <strong data-start=\"2908\" data-end=\"2920\">smallest<\/strong> one.<br data-start=\"2925\" data-end=\"2928\" \/>\ud83d\udc49 This is your <strong data-start=\"2944\" data-end=\"2959\">Recess Drop<\/strong>.<\/p>\n<blockquote data-start=\"2962\" data-end=\"3176\">\n<p data-start=\"2964\" data-end=\"3176\"><strong data-start=\"2964\" data-end=\"2973\">Note:<\/strong> Your blind will typically stop just above your windowsill. Make sure your measurement allows for this, and that the blind won\u2019t be obstructed by the sill or any other features at the base of the recess.<\/p>\n<\/blockquote>\n<h3 data-start=\"3183\" data-end=\"3217\">\u2705 Confirming Your Measurements<\/h3>\n<p data-start=\"3219\" data-end=\"3355\">With your <strong data-start=\"3229\" data-end=\"3245\">Recess Width<\/strong> and <strong data-start=\"3250\" data-end=\"3265\">Recess Drop<\/strong> noted, double-check both. It\u2019s always worth remeasuring to ensure everything is accurate.<\/p>\n<p data-start=\"3357\" data-end=\"3488\">When ordering on the DotcomBlinds website:<\/p>\n<p data-start=\"3357\" data-end=\"3488\">\u2013 Enter the <strong data-start=\"3453\" data-end=\"3475\">exact measurements<\/strong> you recorded<\/p>\n<p data-start=\"3490\" data-end=\"3580\">We\u2019ll take care of the deductions to ensure your cassette blind fits perfectly first time.<\/p>\n<h2 id=\"measuring-outside-recess\">Part 2: Measuring for Cassette Blinds Outside the Window Recess (Exact Fit)<\/h2>\n<p data-start=\"257\" data-end=\"574\">\n<p data-start=\"257\" data-end=\"574\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4249\" src=\"https:\/\/www.dotcomblinds.com\/pub\/wp\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Outside-the-Window-Recess-Exact-Fit.jpeg\" alt=\"Measuring for Cassette Blinds Outside the Window Recess (Exact Fit)\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Outside-the-Window-Recess-Exact-Fit.jpeg 1536w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Outside-the-Window-Recess-Exact-Fit-300x200.jpeg 300w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Outside-the-Window-Recess-Exact-Fit-1024x683.jpeg 1024w, https:\/\/www.dotcomblinds.com\/blog\/wp-content\/uploads\/2025\/07\/Measuring-for-Cassette-Blinds-Outside-the-Window-Recess-Exact-Fit-768x512.jpeg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p data-start=\"257\" data-end=\"574\">\n<p data-start=\"257\" data-end=\"574\">Fitting cassette blinds outside the window recess is a smart solution when your recess is too shallow, contains obstructions like handles or vents, or when you simply want a bold visual impact and superior light control. With this fitting style, the blind sits proudly on the wall, fully covering the window and more.<\/p>\n<h3 data-start=\"576\" data-end=\"605\">Understanding &#8220;Exact Fit&#8221;<\/h3>\n<p data-start=\"607\" data-end=\"879\">On your DotcomBlinds order, you\u2019re providing the <strong data-start=\"729\" data-end=\"746\">finished size<\/strong> of the blind\u2014<strong data-start=\"760\" data-end=\"799\">including the cassette and end caps<\/strong>. We won\u2019t make any deductions, so what you specify is what we will manufacture.<\/p>\n<h3 data-start=\"915\" data-end=\"938\">\u2705 Decide on Overlap<\/h3>\n<p data-start=\"940\" data-end=\"1146\">To get the best function and appearance, you\u2019ll need to decide how much the blind should extend beyond the window recess on all sides. This overlap helps reduce light bleed and ensures full window coverage.<\/p>\n<h4 data-start=\"1148\" data-end=\"1174\">Recommended Overlaps:<\/h4>\n<ul>\n<li data-start=\"1178\" data-end=\"1240\"><strong data-start=\"1178\" data-end=\"1186\">Top:<\/strong> At least <strong data-start=\"1196\" data-end=\"1210\">70mm (7cm)<\/strong> above the top of the recess<\/li>\n<li data-start=\"1243\" data-end=\"1305\"><strong data-start=\"1243\" data-end=\"1253\">Sides:<\/strong> At least <strong data-start=\"1263\" data-end=\"1277\">50mm (5cm)<\/strong> on the <strong data-start=\"1285\" data-end=\"1303\">left and right<\/strong><\/li>\n<li data-start=\"1308\" data-end=\"1379\"><strong data-start=\"1308\" data-end=\"1319\">Bottom:<\/strong> At least <strong data-start=\"1329\" data-end=\"1343\">70mm (7cm)<\/strong> below the bottom edge or windowsill<\/li>\n<\/ul>\n<p data-start=\"1381\" data-end=\"1514\">These are general guidelines and can be adjusted based on your preferences or practical constraints, such as radiators or deep sills.<\/p>\n<h3 data-start=\"1521\" data-end=\"1565\">\ud83d\udccf Measure the Width (Exact Blind Width)<\/h3>\n<p data-start=\"1567\" data-end=\"1717\">Using your metal tape measure, measure the <strong data-start=\"1610\" data-end=\"1625\">total width<\/strong> you\u2019d like the blind to cover\u2014from the far-left edge of the cassette to the far-right edge.<\/p>\n<blockquote data-start=\"1719\" data-end=\"1808\">\n<p data-start=\"1721\" data-end=\"1808\">\ud83d\udca1 <strong data-start=\"1724\" data-end=\"1732\">Tip:<\/strong> Start with your recess width and <strong data-start=\"1766\" data-end=\"1793\">add your chosen overlap<\/strong> on both sides.<\/p>\n<\/blockquote>\n<p data-start=\"1810\" data-end=\"1975\"><strong data-start=\"1810\" data-end=\"1822\">Example: <\/strong>If your recess is <strong data-start=\"1843\" data-end=\"1858\">1000mm wide<\/strong> and you add a <strong data-start=\"1873\" data-end=\"1889\">50mm overlap<\/strong> to each side, your <strong data-start=\"1909\" data-end=\"1930\">Exact Blind Width<\/strong> becomes:<br data-start=\"1939\" data-end=\"1942\" \/><strong data-start=\"1942\" data-end=\"1975\">1000mm + 50mm + 50mm = 1100mm<\/strong><\/p>\n<p data-start=\"1977\" data-end=\"2153\">Take this measurement at <strong data-start=\"2002\" data-end=\"2022\">multiple heights<\/strong> if possible to account for any unevenness in the wall. If you notice variation, use the <strong data-start=\"2111\" data-end=\"2128\">largest width<\/strong> to ensure full coverage.<\/p>\n<blockquote data-start=\"2155\" data-end=\"2340\">\n<p data-start=\"2157\" data-end=\"2340\"><strong data-start=\"2157\" data-end=\"2171\">Important:<\/strong> This will be the <strong data-start=\"2189\" data-end=\"2213\">total cassette width<\/strong>. The actual fabric will be narrower\u2014typically around <strong data-start=\"2267\" data-end=\"2283\">35\u201340mm less<\/strong>\u2014to allow space for the cassette mechanisms and end caps.<\/p>\n<\/blockquote>\n<h3 data-start=\"2347\" data-end=\"2389\">\ud83d\udccf Measure the Drop (Exact Blind Drop)<\/h3>\n<p data-start=\"2391\" data-end=\"2551\">Now measure from the <strong data-start=\"2412\" data-end=\"2440\">desired top fixing point<\/strong> (usually 70mm above the recess) to the <strong data-start=\"2480\" data-end=\"2496\">bottom point<\/strong> where you want the blind to finish when fully lowered.<\/p>\n<blockquote data-start=\"2553\" data-end=\"2657\">\n<p data-start=\"2555\" data-end=\"2657\">\ud83d\udca1 <strong data-start=\"2558\" data-end=\"2566\">Tip:<\/strong> Start with your recess height and <strong data-start=\"2601\" data-end=\"2629\">add your desired overlap<\/strong> to both the top and bottom.<\/p>\n<\/blockquote>\n<p data-start=\"2659\" data-end=\"2833\"><strong data-start=\"2659\" data-end=\"2671\">Example:<\/strong><br data-start=\"2671\" data-end=\"2674\" \/>If your recess is <strong data-start=\"2692\" data-end=\"2707\">1200mm high<\/strong> and you add <strong data-start=\"2720\" data-end=\"2732\">70mm top<\/strong> and <strong data-start=\"2737\" data-end=\"2752\">70mm bottom<\/strong> overlaps, your <strong data-start=\"2768\" data-end=\"2788\">Exact Blind Drop<\/strong> becomes:<br data-start=\"2797\" data-end=\"2800\" \/><strong data-start=\"2800\" data-end=\"2833\">1200mm + 70mm + 70mm = 1340mm<\/strong><\/p>\n<p data-start=\"2835\" data-end=\"2924\">Again, measure in <strong data-start=\"2853\" data-end=\"2880\">multiple vertical lines<\/strong> and use the <strong data-start=\"2893\" data-end=\"2910\">largest value<\/strong> for accuracy.<\/p>\n<h3 data-start=\"2931\" data-end=\"2959\">\u26a0\ufe0f Consider Obstructions<\/h3>\n<p data-start=\"2961\" data-end=\"3174\">Make sure the blind, when fully extended, won\u2019t collide with radiators, furniture, sockets, or other fittings. If these are unavoidable, you may want to shorten the drop or choose an alternate installation height.<\/p>\n<h3 data-start=\"3181\" data-end=\"3215\">\u2705 Confirming Your Measurements<\/h3>\n<p data-start=\"3217\" data-end=\"3324\">Once you&#8217;re happy with your <strong data-start=\"3245\" data-end=\"3266\">Exact Blind Width<\/strong> and <strong data-start=\"3271\" data-end=\"3291\">Exact Blind Drop<\/strong>, double-check both for accuracy.<\/p>\n<p data-start=\"3326\" data-end=\"3368\">When ordering on the DotcomBlinds website:<\/p>\n<ul>\n<li data-start=\"3410\" data-end=\"3461\">Enter your <strong data-start=\"3421\" data-end=\"3447\">precise width and drop<\/strong> as measured<\/li>\n<li data-start=\"3464\" data-end=\"3541\">We\u2019ll manufacture the blind to your specifications <strong data-start=\"3515\" data-end=\"3541\">without any deductions<\/strong><\/li>\n<\/ul>\n<p data-start=\"3543\" data-end=\"3632\">This ensures a flawless finish and a cassette blind that fits exactly how you envisioned.<\/p>\n<h2 id=\"specific-scenarios\">Dealing with Specific Scenarios<\/h2>\n<p data-start=\"165\" data-end=\"366\">While most windows follow a fairly standard shape and layout, there are situations where extra care is needed when measuring for cassette blinds. Below are some common scenarios and how to handle them.<\/p>\n<h3 data-start=\"373\" data-end=\"429\">\ud83e\ude9f Multiple Blinds in One Recess (e.g., Bay Windows)<\/h3>\n<p data-start=\"431\" data-end=\"571\">Bay windows and other multi-section openings can be stunning, but measuring for cassette blinds in these areas takes precision and planning.<\/p>\n<h4 data-start=\"573\" data-end=\"597\">Key Considerations:<\/h4>\n<ul data-start=\"599\" data-end=\"1454\">\n<li data-start=\"599\" data-end=\"893\">\n<p data-start=\"601\" data-end=\"893\"><strong data-start=\"601\" data-end=\"630\">Corner Clearance Matters:<\/strong><br data-start=\"630\" data-end=\"633\" \/>Each cassette blind has a physical width due to the cassette and end caps. If blinds meet at a corner (as they do in bay windows), you must <strong data-start=\"773\" data-end=\"817\">allow for the projection of one cassette<\/strong> before measuring the next section. This prevents the blinds from colliding.<\/p>\n<\/li>\n<li data-start=\"895\" data-end=\"1221\">\n<p data-start=\"897\" data-end=\"1221\"><strong data-start=\"897\" data-end=\"937\">Use a Spirit Level or Straight Edge:<\/strong><br data-start=\"937\" data-end=\"940\" \/>To get this right, place a straight edge or spirit level against the <strong data-start=\"1009\" data-end=\"1048\">intended edge of the first cassette<\/strong> and use it to project the blind\u2019s path across to the next window section. Measure from the projected edge to the next return wall or glazing to get your next blind\u2019s width.<\/p>\n<\/li>\n<li data-start=\"1223\" data-end=\"1454\">\n<p data-start=\"1225\" data-end=\"1454\"><strong data-start=\"1225\" data-end=\"1263\">Measure Each Section Individually:<\/strong><br data-start=\"1263\" data-end=\"1266\" \/>Treat each windowpane as a separate blind. Provide <strong data-start=\"1317\" data-end=\"1332\">\u201cExact Fit\u201d<\/strong> measurements for each one, factoring in cassette widths and ensuring that all blinds align correctly without obstruction.<\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"1456\" data-end=\"1616\">\n<p data-start=\"1458\" data-end=\"1616\">\ud83d\udca1 <em data-start=\"1461\" data-end=\"1467\">Tip:<\/em> Consider sketching a diagram of the bay with your measurements clearly marked\u2014it will help you visualise spacing and double-check corner allowances.<\/p>\n<\/blockquote>\n<h3 data-start=\"1795\" data-end=\"1823\">\ud83c\udf00 Unusual Window Shapes<\/h3>\n<p data-start=\"1825\" data-end=\"1924\">Some windows are architectural showpieces\u2014but can also pose challenges for fitting cassette blinds.<\/p>\n<h4 data-start=\"1926\" data-end=\"1968\">Arched, Angled, or Irregular Windows:<\/h4>\n<ul>\n<li data-start=\"1972\" data-end=\"2134\">Cassette blinds are designed for <strong data-start=\"2005\" data-end=\"2036\">straight-edged, rectangular<\/strong> windows. For curved, triangular, or highly irregular shapes, cassette blinds may not be suitable.<\/li>\n<li data-start=\"2137\" data-end=\"2275\">In some cases, a customised approach might be possible, but this will usually require <strong data-start=\"2223\" data-end=\"2248\">specialist templating<\/strong> or a <strong data-start=\"2254\" data-end=\"2274\">bespoke solution<\/strong>.<\/li>\n<\/ul>\n<p data-start=\"2277\" data-end=\"2547\">If you\u2019re unsure whether cassette blinds will work for your unique window shape, the best course of action is to <strong data-start=\"2390\" data-end=\"2450\">get in touch with the DotcomBlinds customer service team<\/strong>. Our experts can advise on alternatives or recommend next steps if a custom fitting is required.<\/p>\n<h2 id=\"final-checklist\">Before You Click &#8220;Order&#8221;: Your Final Checklist<\/h2>\n<p data-start=\"187\" data-end=\"395\">To avoid costly mistakes or frustrating reorders, take a moment to run through this final checklist. It&#8217;s your last step before entering your measurements and clicking <strong data-start=\"355\" data-end=\"366\">\u201cOrder\u201d<\/strong> on the DotcomBlinds website.<\/p>\n<p data-start=\"397\" data-end=\"513\">\u2705 <strong data-start=\"399\" data-end=\"438\">Have you used a metal tape measure?<\/strong><br data-start=\"438\" data-end=\"441\" \/>Fabric or plastic ones can stretch and result in incorrect measurements.<\/p>\n<p data-start=\"515\" data-end=\"643\">\u2705 <strong data-start=\"517\" data-end=\"567\">Are all your measurements in millimetres (mm)?<\/strong><br data-start=\"567\" data-end=\"570\" \/>Millimetres provide the most accurate results for made-to-measure blinds.<\/p>\n<p data-start=\"645\" data-end=\"797\">\u2705 <strong data-start=\"647\" data-end=\"718\">Have you measured in at least three places for both width and drop?<\/strong><br data-start=\"718\" data-end=\"721\" \/>This ensures you catch any unevenness in your window recess or wall surface.<\/p>\n<p data-start=\"799\" data-end=\"944\">\u2705 <strong data-start=\"801\" data-end=\"860\">Have you taken the smallest measurement for Recess Fit?<\/strong><br data-start=\"860\" data-end=\"863\" \/>We\u2019ll make a small deduction from this to ensure a smooth, rub-free installation.<\/p>\n<p data-start=\"946\" data-end=\"1093\">\u2705 <strong data-start=\"948\" data-end=\"1027\">Have you taken the largest measurement and included overlaps for Exact Fit?<\/strong><br data-start=\"1027\" data-end=\"1030\" \/>This gives you full window coverage and prevents light seepage.<\/p>\n<p data-start=\"1095\" data-end=\"1258\">\u2705 <strong data-start=\"1097\" data-end=\"1180\">Have you checked for and accounted for any obstructions (handles, tiles, etc.)?<\/strong><br data-start=\"1180\" data-end=\"1183\" \/>Make sure there\u2019s nothing in the way that could block or disrupt the blind.<\/p>\n<p data-start=\"1260\" data-end=\"1423\">\u2705 <strong data-start=\"1262\" data-end=\"1328\">Are you clear on whether you need &#8220;Recess Fit&#8221; or &#8220;Exact Fit&#8221;?<\/strong><br data-start=\"1328\" data-end=\"1331\" \/>Each fitting type affects how your blind is made\u2014be sure you&#8217;ve selected the correct option.<\/p>\n<p data-start=\"1425\" data-end=\"1598\">\u2705 <strong data-start=\"1427\" data-end=\"1521\">Have you double-checked all your figures before entering them on the DotcomBlinds website?<\/strong><br data-start=\"1521\" data-end=\"1524\" \/>Taking a few extra minutes now can save you time, money, and hassle later.<\/p>\n<h2 data-start=\"89\" data-end=\"136\">Ready to Order Your Perfect Cassette Blinds?<\/h2>\n<p data-start=\"138\" data-end=\"415\">With accurate measurements in hand, you&#8217;re one step away from transforming your windows with the sleek, stylish finish of cassette blinds. Whether you&#8217;re aiming for a minimalist look or maximum light control, getting the fit right is key\u2014and now, you know exactly how to do it.<\/p>\n<p data-start=\"417\" data-end=\"675\">Explore our full range of <a class=\"\" href=\"https:\/\/www.dotcomblinds.com\/blinds\/cassette-blinds\" target=\"_new\" rel=\"noopener\" data-start=\"443\" data-end=\"513\">cassette blinds<\/a> at DotcomBlinds and find the perfect style for your space. <strong data-start=\"573\" data-end=\"596\">Free fabric samples<\/strong> are available to order, so you can see and feel the quality before you commit.<\/p>\n<p data-start=\"677\" data-end=\"784\">Have questions or need help before placing your order? Our friendly team is here to help\u2014just get in touch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When it comes to made-to-measure blinds, cassette blinds offer one of the sleekest, most polished finishes available. With their discreet headrail that conceals both the&#8230;<\/p>\n","protected":false},"author":7,"featured_media":4251,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-4247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advice"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Measure Cassette Blinds for a Flawless Fit | DotcomBlinds<\/title>\n<meta name=\"description\" content=\"Learn how to measure cassette blinds for a perfect fit. 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