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We specialise in the repair, restoration, and replacement of traditional timber sash windows across Barnet. 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 Repair across Barnet and the surrounding London Boroughs.
Restore the beauty, functionality, and value of your Barnet property. We understand the unique architectural character of Barnet, from its historic town center properties to its leafy suburban homes.
We handle everything from simple draught-proofing and security upgrades to more complex timber repairs and sash cord replacements, ensuring your windows look original but perform like modern units.
In High Barnet and Monken Hadley, the preservation of original features is essential for maintaining property value. Our repair service uses traditional joinery to fix decaying timber and broken cords, avoiding the need for expensive and often unsightly replacements. We use seasoned timber and high-quality finishes to ensure your windows can withstand the North London weather for years to come.
Our team provides essential sash window repairs in London. From Barnet to Camden Town, we fix draughts and broken cords to keep your heritage windows functional.
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 Barnet 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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