Design & Order Your Bespoke Sash Windows Online
Choose your sash window style, enter your exact measurements, customise colours, hardware, glazing, security options and decorative details, then place your order online with live pricing.
2 Fifths Top Sash
A traditional layout with a smaller top sash and larger bottom sash.
Design & Order Online
How Our Sash Window Designer Works
Our designer takes you through the full buying journey, from choosing your sash style to completing checkout online.
Choose Style
Select Equal Sashes, 2 Fifths Top Sash or 1 Third Top Sash.
Enter Size
Add your window width and height before continuing.
Customise
Choose colours, hardware, glazing, bars and upgrades.
View Price
See the price update as you build your window.
Order Online
Add to basket, enter details and complete checkout.
Choose Your Sash Window Type
The journey starts with selecting the sash style you want to design. Each option is shown visually, so you can easily compare the proportions before continuing.
You can choose from Equal Sashes, 2 Fifths Top Sash or 1 Third Top Sash depending on the look you want for your property.
Start Designing NowEnter Your Exact Window Measurements
After choosing your sash style, the sizing screen allows you to enter the overall width and height of your window. Every window is made to measure, so this step helps ensure your design is based on your required dimensions.
- Width range: 375mm - 1500mm
- Height range: 800mm - 2400mm
- Resize before continuing
- Return to change style
Customise Every Detail Of Your Window
Once your size is confirmed, the main designer opens. This is where you can personalise the full sash window specification and see your choices update on the screen.
Configure Glass For The Top & Bottom Sash
The designer includes separate glass menus for the upper sash and bottom sash, giving you greater control over privacy, safety and appearance.
- Clear glass as standard
- Leaf, Contora and Bark
- Westminster, Satin Opal and Stipple
- Bottom sash toughened as standard
- Upper sash toughened upgrade
- Black, grey or white spacer bar
Create Georgian Bar Designs Online
Customers can create their own Georgian bar layout or choose from predefined decorative designs. The live window preview updates as the bar layout is selected.
- Astragal bars
- Internal bars
- Horizontal and vertical bar layouts
- 1 to 6 squares
- Three Light and Centre Bar
- Offset Three Light, Margin and Variant
Add To Basket & Complete Your Order Online
Once the design is complete, customers can add the window to their basket, review their order and complete checkout online.
Delivery Lead Time & Postcode Information
We deliver sash windows within approximately 2-3 weeks, although lead times may vary depending on manufacturing schedules and current circumstances.
Lead Time
Approx. 2-3 weeks for delivery of sash windows. We will notify you if your delivery is delayed due to any issue.
Delivery Charges
Most delivery areas are £36. Some remote areas are £120. The correct charge is calculated at checkout using your postcode.
Excluded Areas
We do not currently deliver to AB, IV, PH, KA27-28, BT and PA28-29 postcodes.
Ready To Design Your Sash Windows?
Start with your preferred sash style, enter your size, customise every detail and order your made-to-measure sash windows online.