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We specialise in the repair, restoration, and replacement of traditional timber sash windows across Chiswick. 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 Restoration across Chiswick and the surrounding London Boroughs.
Preserve the historic character of your home with our specialized sash window restoration services. We focus on refurbishing original timber windows, extending their lifespan while dramatically improving their thermal and acoustic properties.
Our comprehensive restoration process includes stripping old paint, repairing decayed timber using advanced joinery techniques, and installing high-performance draft-proofing seals.
Specializing in leafy Victorian and Edwardian family residences in the Chiswick Conservation Area, we understand the strict guidelines regulating properties near Chiswick House, Turnham Green and Chiswick High Road. Our FENSA-registered joiners ensure that every restoration details is period-accurate, from matching glazing bars to restoring original brass fittings, ensuring your W4 home remains quiet, secure, and beautiful.
Maintain your period home with sash window restoration in London. Our skilled team covers Chiswick and surrounding areas with reliable heritage solutions.
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 Chiswick 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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