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We specialise in the repair, restoration, and replacement of traditional timber sash windows across Highbury. Our master joiners blend traditional craftsmanship with modern techniques to preserve your home's character and improve thermal efficiency.
No obligation · Free site survey · Reply within hours
Golden Ratio Windows provides expert Sash Window Replacement across Highbury and the surrounding London Boroughs.
From surveys to installation, our expert sash window replacement services ensure a high-quality finish.
Elevate your Highbury residence with our professional sash window replacement services. We understand the classic elegance of Highbury's architecture and are committed to providing solutions that enhance your property's beauty and energy efficiency.
We offer a wide selection of replacement options designed to suit the unique character of Highbury homes. From traditional timber frames to modern, low-maintenance alternatives, we can help you find the perfect fit for your needs.
Highbury's architectural heritage is important. We take great care to ensure that our sash window replacements complement the original character of your home. We offer a variety of customization options to match the details of your existing windows.
Contact us today for a free consultation and quote for sash window replacements in Highbury. You can also learn more about our services online.
Our team is dedicated to providing the highest quality sash window replacements in London. From Highbury to Islington, we ensure your new timber windows are period-correct and FENSA certified.
We have helped hundreds of London homeowners upgrade their inefficient single-glazed windows.
Finsbury Park
"Saved our original Victorian windows when others said replace. Beautiful workmanship — our sash windows look brand new."
Stoke Newington
"Draughts completely gone. Warm house for the first time in years. Fair price and they clearly know period properties inside out."
Central London
"They completely replaced two windows in our Edwardian home. Friendly, communicative and done quickly — in just 2 days."
North London
"The detailing is very well done and accentuates the property nicely. The whole front of the house looks much better as a result."
Yes. We regularly carry out sash window repair and restoration services in Highbury and all surrounding boroughs. We offer free site surveys for all local residents.
Yes, absolutely. We specialise in retrofitting slimline double-glazed units into original timber sash windows. This means you don't have to rip out the entire window box, saving money and preserving the historical character of your property.
Costs vary depending on the extent of the damage (e.g., rotten sills vs simple broken cords). However, repairing is almost always significantly cheaper than a full replacement. We provide completely transparent, itemised quotes after a free survey.
Stop the draughts and start saving on energy bills. We offer a free, no-obligation survey and quote for all window upgrades across London.
218 Hornsey Road, London, N7 7LL
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