How to measure for bay windows

Take the stress out so you can dress your windows in style

Fitting bay window poles or tracks may seem daunting at first, but believe us, it’s a lot easier than it looks. Read on for a step-by-step guide to measuring bay windows as well as a breakdown of which brackets, connectors and other accessories you’ll need to complete the job. For more information about choosing curtain poles and tracks, read our Curtain pole sets and tracks buying guide.

Take the stress out so you can dress your windows in style

Should I choose curtain poles or curtain tracks for my bay window?

It depends on a few things, including the weight of your curtains, the style of your home and how easy you want the job to be! There are benefits and draw backs (see what we did there?) to dressing bay windows with curtain poles or tracks, read on below to find out more.

Curtain poles

Curtain poles

Curtain poles will allow you to make a bigger and bolder statement. Choose from wooden or metallic – we have a wide selection of styles and finishes. Curtain poles can hold more fabric, resulting in a fuller and heavier finish – making them the perfect choice if you have heavy weight curtains, such as our blackout curtains.

Curtain tracks

Curtain tracks

Curtain tracks are less visible than curtain poles. If you’re after something simple and understated that will blend into the style of the room, then curtain tracks are your most suitable choice. Our coil tracks are easy to bend and shape to fit your window, or our Thira tracks can be cut to size.

How to measure bay windows for curtain poles

Top tip

Always measure at the location where the poles will be fitted, i.e. above the window, and don’t assume the window will be symmetrical.

Step 1

First things first, you will need to measure the distance between the top of the window and the ceiling using a tape measure. If there is 15cm or more then you can fix the curtain pole using a wall bracket or a ceiling bracket. If you have less than 15cm then you'll need to use a ceiling bracket as it will be too tight for a wall bracket,

Step 2

Starting from left to right, measure the width of the first window of your bay up to the angle of the next bay, continue until you’ve measured all bays. Make sure you write down the measurements in centimetres. Add an additional 20-30cm to the first and last sides of your bay windows (so you can tuck your curtains back without blocking the window). Add up the total length of all sides and you’re left with your complete bay window measurement.

Step 3

Lastly, you’ll want to find out the length of your curtain drop. Measure the length from where you’ll install the pole, to where you’d like your curtains to sit. This will depend on whether you like your curtains to just graze the floor or whether you prefer them to sit a few inches above the floor.

How many brackets do I need for bay windows?

How many brackets do I need for bay windows?

The amount of sides your bay window has will determine the number of brackets and elbow connectors you will need for your curtain poles.

For a 3-sided angled bay window:

Maximum load

If you want a fuller finish, choose our curtain poles – they can hold up to 8kg, whilst our curtain tracks can hold up to 5kg.

What is a bay bend bracket?

A bay bend bracket joins two poles of the same diameter. They’re easy to bend by hand, making them ideal for curved windows. The curved design allows curtains to pull easily. Available in 19mm and 28mm diameter.

What is an elbow connector?

An elbow connector joins two poles of the same diameter. They have an adjustable angle, making them ideal for curved windows. Available in 19mm and 28mm diameter.

How to measure bay windows for curtain tracks

Top tip

Always measure at the location where the track/s will be fitted, i.e. above the window, and don’t assume the window will be symmetrical.

Step 1

Starting from left to right, measure the width of the first window of your bay up to the angle of the next bay, continue until you’ve measured all bays. Make sure you write down the measurements in centimetres. Add an additional 20-30cm to the first and last sides of your bay windows (so you can tuck your curtains back without blocking the window). Add up the total length of all sides and you’re left with your complete bay window measurement.

Step 2

Decide where you want your curtains to fall by measuring the length from where you’ll install the track to where you’d like your curtains to sit. This will depend on whether you like your curtains to just graze the floor or whether you prefer them to sit a few inches above the floor.

What kind of curtain track can I use on bay windows?

You have two options for installing bay window curtain tracks. Our bendable Kias coil tracks can be bent to fit bay windows (up to 500cm), or our Thira curtain tracks can be cut to the size of each section and connected with an angle connector. Both our Kias coil tracks and Thira tracks can support the load of heavier weight curtains, such as blackouts (up to 5kg). Both tracks can also be used with tape header curtains and sliding rolls.

How many brackets/tracks do I need?

For a 3-sided bay window:

You’ve measured your bay windows and know what components you need – now it’s time to fit your pole or track and hang your curtains. For expert advice on how to install curtain poles and tracks, read our article, How to put up curtains and blinds for a step-by-step guide. You’ll be admiring your beautifully dressed bay windows in no time.