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How to Measure For Window Blinds

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26th January 2017

How to Measure For Window Blinds

A fresh set of blinds installed in your home has the potential to completely revolutionise its look and feel, but a shoddy job where the blinds aren’t measured properly beforehand can be devastating for your aesthetic hopes. In actual fact, measuring your windows for your blinds is quite straightforward, and can be really helpful if you’re looking to obtain a quote. Thus, this month we’ll be detailing how to measure for window blinds.

Get the Right Equipment

Measuring for your blinds is simple, all you’ll need are:

  • A measuring tape, preferably steel for accuracy
  • A stepladder
  • A Pencil and paper

Inside-Fitting Blinds

Windows with a deep recess can have an inside-fitting blind installed, ideal for a neat and trim finish.

To measure for these blinds, ensure there aren’t any obstructions like curtains getting in the way. Then take three measurements of the window recess, at the top, middle and bottom of it, noting each. Use the smallest of these three measurements and to the nearest millimetre.

Another three measurements should be taken for the height of the recess, first on the left, then in the centre, and finally on the right, taking the smallest of the three as your measure of the recess.

Ensure that all measurements are taken on the inside of the recess, rather than on its outer edges.

Outside-Fitting Blinds

An outside-fitting blind sits outside of your window’s recess, so it’s ideal if your window has a very small recess or none at all. Usually, an outside-fitting blind will extend between 4 and 8 centimetres (1½ to 3 inches) over the window. You’ll need to measure from here to between 5 and 10 centimetres (2 to 4 inches) below the window itself, as this is where the blind will have to extend to. Likewise, there should be between 5 and 10 cm leeway on the sides, too.

Excellent for Quotes, but Hire a Professional!

For a rough idea on how much your blinds will cost, measuring them yourself is fine. However, when it comes to getting the most from your blinds, you’ll need professional help. Check with your local blinds expert to see if they offer a free home visit – this can be far more reliable than measuring your blinds yourself and can therefore proffer a more accurate quote on price.


Boyd’s Blinds are the professionals you need to help you find the perfect blinds for your home, offering free home visits for clients throughout Newark, Nottingham and the surrounding areas. We are a family run business dedicated to taking the hassle out of purchasing blinds, with our offers of free home visits and fittings guaranteed to make the whole process as stress-free as possible. So for a premier service when it comes to purchasing new blinds for your home or business, contact our friendly team today!