Thermal Window Insulation Film

Transparent window insulation film for an additional indoor window covering. Choose the height and width that suit your window from the options above.

Measure before ordering

• Measure both height and width, including any fixing allowance required by the fitting instructions.
• Check the selected dimensions and price before adding to your basket.
• Confirm that your window surface and fixing method are suitable before fitting.

Fitting & care

Follow the instructions supplied with your selected film. Keep required ventilation and escape routes clear. If you rent your home, check permission before using fixings that may mark surfaces.

What to expect

Results vary with glazing, existing draughts, installation and room conditions. Film does not replace double glazing, necessary ventilation or repairs to damaged windows. No specific bill saving is guaranteed.

Delivery & help

Free shipping is available across the UK. See our Shipping & Delivery page for delivery information. If you need an item by a particular date, contact us before ordering. For product suitability or order queries, include the product name and selected option.