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“It was important to get the balance of temperature, glare and light control. This was achieved by GP Systems and the effect has been exactly as required.”Tim Barrett (Contracts Manager), DOI Group

Energy Savings Case Study

Millbank Tower, London

Built in 1962, London's landmark Millbank Tower was in need of a thorough interor and exterior refurbishment.


  • Excessive heat and glare
  • unattractive building appearance


  • 11,180 sq. m. of Solar Control Window Film


  • Improves exterior building appearance
  • Significantly reduces heat
  • glare and energy costs
  • Provides shatter protection
  • Reduces fade damage

The owner spent £18million renovating the building, which included eliminating the excessive heat and glare the tenants had previously suffered.

Millbank Tower is a grade II listed building, and a prominent feature of the London skyline, so the solution had to be technically and aesthetically perform to meet regulations. At 387-foot high (118 meters) and with 34 storeys installation had to be easy too.

Solar safety window film proved to be the perfect solution to the problem of heat and glare. Approximately 120,000 square feet (11,180 square meters) of soft neautral grey film was retrofitted to the windows, eliminating excessive heat and glare while giving the glass a beautiful, uniform appearance. The film rejects 54% of total solar energy, significantly improving energy efficiency of the climate control system.

In addition to improving energy efficiency, internal comfort and external appearance, the window film provided additional benefits. The film filters almost 100% of damaging ultraviolet light, drastically reducing premature fading of furnishings. It provides shatter protection against accidental glass breakage, extreme weather and explosions, yet maintains high levels of natural light, allowing tenants to still enjoy the striking view over the city.

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