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Custom Basement Window | Cut to shape & size | Plasticsheetsshop.co.uk

Basement Window

Customisable to your exact size
    Acrylic / PERSPEX®
    • Lightweight and easy to install
    • UV-resistant
    • Highly resistant to moisture
    • Less impact resistant than polycarbonate
    • Susceptible to hard-impact damage
    Polycarbonate
    • Extremely strong
    • Indoor and outdoor use
    • Excellent insulating properties
    • More expensive than acrylic
    • Prone to scratches
PolycarbonateAcrylicGlass
Durability[++][+][--]
Impact resistance[++][+][--]
Light transmission[++][++][++]
Cost[-][+][++]
Clear cast (GS) acrylic sheet 3 mm
Clear cast GS acrylic sheet
Clear cast (GS) acrylic sheet 3 mm
£10.81Incl. VAT
Clear polycarbonate sheet 3 mm
Clear polycarbonate sheet
Clear polycarbonate sheet 3 mm
£14.18Incl. VAT
Clear cast (GS) acrylic sheet 4 mm
Clear cast GS acrylic sheet
Clear cast (GS) acrylic sheet 4 mm
£15.28Incl. VAT
Clear polycarbonate sheet 4 mm
Clear polycarbonate sheet
Clear polycarbonate sheet 4 mm
£18.28Incl. VAT
Our step-by-step guide

Installing a basement window isn’t overly complicated, but it does require precision. This ensures proper insulation without draughts or leaks. Follow our step-by-step guide for successful installation and make sure your window fits perfectly.

1

Choose your product:

Head to the product page and select the type of plastic that best suits your basement window.
2

Enter exact measurements:

Input the exact dimensions of your basement window or upload a DXF file with the specifications using our handy sheet calculator.
3

Add custom details:

Add any optional extras, such as drill holes or cut-outs. Your plastic sheet will be delivered in the precise shape and ready to install.
4

Place your order:

Finalise your purchase, and the plastic sheet will be delivered to your doorstep in no time.

Frequently Asked Questions

DIY-Awards

Get inspired by the creative projects our customers have submitted to the DIY Awards. Discover real-life examples of basement windows and other transformations using our plastic sheets.

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Smart window insulation for listed buildings with polycarbonate

Jan from Amsterdam has come up with a clever solution for his historic building. Legally, he cannot alter the windows, …
View the project
CEYz4MgR8lgMHGV052_ipnHq4LGHAY6evFVmXyla-WA

Curved acrylic boat window replacement for old windows

Thije and his dad crafted a curved acrylic speedboat window using Perspex®. The original window was riddled with cracks, necessitating …
View the project
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Atmospheric fireplace with acrylic windows for electric heater

Nel has crafted an atmospheric mantelpiece around a new electric heater, with acrylic as the main material for the windows …
View the project
Everything cut to size
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