Specialist sash window services for period and heritage homes across London & Essex.
From careful repairs and complete restoration to draught proofing, vacuum glazing and replacement, we provide specialist solutions for traditional timber sash windows.
Upgrade original sash windows with high-performance slim vacuum glazing.
Restore original timber, operation and character.
Repair sticking, rattling, damaged or poorly operating sash windows.
Made-to-measure timber sash windows where existing windows are beyond economical repair.
Reduce cold draughts and improve the comfort and operation of original sash windows.
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Real examples of sash window repair, restoration, glazing upgrades and replacement carried out by Heritage Sash.
We specialise in retaining and improving original sash windows wherever practical. Repair, restoration, draught proofing and modern glazing upgrades are considered before replacement, helping preserve the character and original fabric of period properties.
Clear, practical guidance to help homeowners understand the options available for improving and preserving traditional sash windows.
Click the button below to download a PDF guide
Careful workmanship, clear advice and solutions designed around the long-term preservation of your windows.
"My sash windows work perfectly now. My building is Grade II List and this restoration has transformed my old windows. Reliable, tidy, and friendly—highly recommend!"
Not Sure What Your Windows Need?
Book a free sash window survey and we'll recommend the most appropriate repair, restoration or upgrade for your property.