Safe, secure, energy efficient windows and doors. Fitted by a team you can trust.
Looking for a way to upgrade your home with double glazing? Cosyhomes Windows specialises in premium, high-quality window and door installations across the local area. If you’re considering new windows for your home in Chessington, we’re here to make the whole experience easy, stress-free, and well supported from start to finish.
Find the right windows and doors for your home
Available in a range of styles, materials and finishes
10 year guarantee on all our window installations
Our installations come with a full insurance-backed guarantee, so you can enjoy your new windows and doors in Chessington with complete peace of mind.
As local window installers in Chessington, we’re a small team with big standards.
Whether you’re replacing older drafts windows, fixing misted double glazing, or choosing a brand-new front door, we’re here to help no matter how big or small the job. We’ll give you honest and trusted advice, a warm professional service, and bespoke craftsmanship we’re proud to put our name to.
Most of our business comes through word of mouth, and we believe that says it all!
Testimonials
What our happy customers say
See what our happy customers have to say about the quality and value of our windows and doors, fitted by our friendly local team in Chessington and Surrey.
































Trusted. Certified. Approved.
Proud to be Chessington’s trusted window and door installers, recognised by leading industry bodies.
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Our recent work
See our latest installations across Chessington and Surrey, carried out by our friendly team and designed to improve comfort, security, and style.
We’re always happy to share what we’ve learned over the years.
From simple DIY tips to helping you choose the perfect windows and doors for your Chessington home.
Frequently asked questions
How long does double glazing last?
On average, double glazing lasts between 20 to 35 years, depending on the quality of materials and installation. At Cosyhomes, we use high-quality energy-efficient windows built to go the distance, and all our installations are backed by a 10-year insurance-protected guarantee.
Can I just replace the glass instead of the whole window?
Yes, if your frame is still in good shape, we can replace misted or broken double glazed units without replacing the whole window. It’s a cost-effective fix, especially if you’re dealing with condensation between the panes. Wondering how to fix misted double glazing? Get in touch and we’ll assess your options.
What is stippolyte glass?
Stippolyte glass is a type of textured privacy glass, often used in bathrooms or entrance doors. It allows plenty of light in while obscuring the view from outside, ideal for both privacy and style.
How do I know if I need planning permission for a porch?
Most porches in the UK don’t need planning permission if they meet size and location limits. But if you’re wondering do you need planning permission for a porch on your home, we’ll check and advise during your quote visit.
What’s the difference between a conservatory and an orangery?
Both add space and light, but orangeries have more solid structure, with brick pillars and a flat roof often featuring a roof lantern. Conservatories are usually fully glazed. Need help choosing? We’ll walk you through the pros and cons.
How long does an installation take?
This all depends on the size of your project and the type of product. But we will never remove your existing glazing if we can’t complete within the same day.
How to get scratches out of a glass window?
Minor scratches on glass can sometimes be polished out with a non-abrasive cleaner or specialist glass polish. For deeper marks, replacement may be the safer option. Not sure? We’ll let you know the best course of action when we inspect.
Still have questions?
From how to measure double glazed units to whether you need planning permission for a porch, our FAQ section might be able to help.


