Warmer rooms, lower bills, quieter streets
A poorly sealed window can waste a quarter of a room's heat. We measure precisely, recommend the right frame and glass for your property — including conservation-area-friendly timber — and fit it level, sealed and trimmed in a single visit.
- uPVC, timber & aluminium frames.
- A-rated double glazing as standard.
- Full seal, trim & tidy included.
- Old frames recycled responsibly.
What's included
Free survey
Exact measurements, glass advice and a fixed written price — no obligation.
Supply & fit
Frames, glass, fixings, sealants and trims — everything from one team.
Making good
Plaster reveals touched up, sills refitted, walls left as we found them.
Aftercare
Hinge and lock adjustment visit plus a 12-month workmanship guarantee.
How the job runs
Most replacements take one day per window, with your home protected throughout.
- 1Survey & quoteWe visit, measure and confirm your fixed price within 24 hours.
- 2ManufactureYour frames are made to measure — typically ready in 2 to 3 weeks.
- 3Installation dayOld frame out, new frame levelled, sealed, trimmed and tested.
- 4Clean-up & demoWe vacuum, remove waste and show you locks, vents and trickle settings.
"Two sash windows replaced in a day. No dust on the furniture, no draughts since — and the street noise has halved."
Daniel R. — Homeowner, Marylebone
Related services
Interior PaintingFresh frames deserve fresh walls. Flooring InstallationFinish the room while we're there. Plumbing RepairsRadiators refitted under new sills.