Low-e window film | insulating heat retaining | solar heat, glare & UV reducing | dark tint

£19.42
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About Low-E Window Film

Low-E Window Film is an insulating, heat-retaining solar control film designed to improve comfort all year round. With a specialised low-emissivity coating, it helps keep heat inside during colder months while reflecting excess solar heat away in summer—making glass work harder for your space.

  • Heat retention – reflects internal heat back into the room to improve winter insulation
  • Solar heat control – reduces heat gain in warmer conditions
  • Glare reduction – reflects bright sunlight to reduce screen and visual glare
  • UV protection – blocks up to 99% of harmful ultraviolet rays
  • Dark reflective finish – mirrored external appearance with a darker internal tint

Designed for energy efficiency. Low-E Window Film helps stabilise indoor temperatures by reducing heat loss in winter and limiting solar gain in summer. This can ease the load on heating and cooling systems, supporting lower energy use and improved comfort—particularly on single-glazed windows.

Comfort you can see. The reflective surface reduces harsh sunlight and glare on screens, while the darker tint helps manage brightness. Externally, the mirrored finish can support daytime privacy when lighting conditions are favourable.

Protection for interiors. By filtering ultraviolet radiation, Low-E Window Film helps slow fading of furnishings, flooring and finishes, supporting longer-lasting interiors in both homes and commercial spaces.

Key details: Product type: low-emissivity window film · Primary benefits: heat retention, solar control, glare reduction, UV protection · UV rejection: up to 99% · Appearance: dark tint with mirrored exterior · Application: glass windows · Suitable for: residential and commercial

Search-friendly summary: Low-E Window Film is an insulating solar control film for glass that helps keep rooms warmer in winter, cooler in summer, reduces glare and blocks UV rays.

Low-E window film is ideal for improving energy efficiency in a variety of settings. It’s especially effective on:

  • Single-glazed windows in homes, offices, and conservatories
  • Rooflights and skylights where insulation is typically poor
  • Older buildings where upgrading to double glazing isn't feasible
  • Conservatory roofs to help maintain a stable temperature year-round

If Low-E window film isn’t the right fit, consider:

  • High reflective silver for similar heat, glare & UV rejection (without reducing winter heat loss) and daytime privacy at a lower cost.
  • Coolclear solar deluxe if your primary goal is protecting furnishings and
    interiors from sun damage
  • Silver frost for similar heat, glare and UV rejection without reducing winter heat loss. Has an external mirrored appearance day and night but you can't see out either.
  • Coolkote for conservatory polycarbonate roofs where glare and heat are extreme

Check out our installation guides for help installing window film in different situations.  A good starting point is.

  • Cut the film slightly larger than  what you need.
  • Clean the glass thoroughly.
  • Spray a slip solution made of water and baby shampoo on the glass.
  • Remove the backing liner and spray the same solution on the exposed adhesive.
  • Put the film on the glass and float it into place.
  • Cut the film tight to the frame.
  • Use a dedicated hard squeegee to remove the water from underneath the film.

We dispatch all UK orders within one working day (excluding personalised items). Standard delivery is via Evri Next-Day, though this is not a guaranteed service.

For those who value certainty, we offer the option to select Parcelforce 24 at checkout for a guaranteed delivery. We believe in giving you the power to choose the service that best fits your needs.

For orders containing films 122cm or 152cm wide, we use Parcelforce 48-Hour Oversized. Please note that this service carries a surcharge due to size restrictions, but rest assured, we take extra care to ensure your oversized items are delivered safely and on time.

For international orders, we carefully select the most reliable and efficient courier based on your destination country. This ensures that your order is in safe hands and will be delivered in a timely manner.

Free Delivery

on all order over £99

30 Day Returns

No quiblle return policy

UK Installation

Expert fitting nationwide