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We specialise in the repair, restoration, and replacement of traditional timber sash windows across Finsbury park. 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 Finsbury Park and the surrounding London Boroughs.
View our latest work: Timber Sash Window Case Study in Finsbury Park.
We specialise in sash window repair services for traditional and period properties. Restore the timeless beauty and smooth functionality of your traditional sash windows with our dedicated repair team.
Our craftsmen address issues ranging from annoying draughts and rattles to repairing damaged timber frames and replacing worn-out sash cords.
Finsbury Park is home to a wealth of Victorian and Edwardian housing, particularly around the Stroud Green and Manor House borders. Many of these properties still feature their original 19th-century box sash windows. Our repair service focuses on maintaining this historic character—whether that involves surgical timber splicing on rotten sills near Finsbury Park station or overhauling rattling sashes in the larger villas overlooking the park itself.
Our team provides essential sash window repairs in London. From Finsbury Park to Barnet, we fix draughts and broken cords to keep your heritage windows functional.
Read about a recent sash window project we completed in Finsbury Park.
View Case Study
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 Finsbury park 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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