Our Guarantee
At Cosyhomes Windows, every installation comes with lasting peace of mind.
10 Year Frame Guarantee
Insurance-backed cover on all PVCu and aluminium units, giving you total peace of mind.
10 Year Glass Guarantee
Every glazed unit is protected with a decade-long guarantee against faults.
Built for UK Homes
Our products have been tried, tested, and trusted in British homes for decades.
We only install A-rated energy-efficient windows and doors using trusted systems from Rehau, Smart, and Beaufort. These brands have been industry leaders for over 40 years and are known for quality, innovation, and durability.
We’re not the cheapest option, and we don’t aim to be. Instead, we focus on offering exceptional quality at fair value — and our customer reviews show the difference it makes.
Trusted. Local. Experienced.
We’re Cosyhomes Windows, your go-to team for double glazing in Chessington and across Surrey. No hard sell. Just honest advice from our friendly experts.