Premium windows & doors for homes and commercial projects
Ketos Glazing supplies and installs A-rated uPVC, aluminium and composite windows and doors across London, Essex & Kent — for homeowners and contractors alike, finished to a standard we're proud to put our name to.
Whatever the project, we've got it covered
From a single front door to a full social-housing replacement programme — the same quality and care on every job.
For your home
Replacement windows and doors for homeowners — made to measure, energy-efficient and beautifully fitted.
- Free, no-obligation survey & quote
- FENSA certificate & guarantee
- uPVC, aluminium & composite options
For your project
An approved sub-contractor for main contractors, councils and developers — large-scale window & door replacement, delivered to programme.
- Social housing & council schemes
- New-build & commercial premises
- Aluminium & commercial-grade systems
Our windows & doors
uPVC, aluminium and composite — surveyed, made to measure and fitted by our own team.
uPVC, aluminium or composite?
A quick guide to help you choose — and we'll talk it all through at your free survey.
| uPVC | Aluminium | Composite | |
|---|---|---|---|
| Best for | All-round value | Slim frames & big openings | Front doors |
| Frame sightlines | Standard | Ultra-slim | — |
| Energy efficiency | A-rated | A-rated | Insulated core |
| Strength | Very good | Exceptional | Exceptional |
| Colours | Wide range & woodgrains | Any RAL colour | Wide range |
| Maintenance | Low | Minimal | Minimal |
| Price guide | £ — great value | £££ — premium | ££ — premium door |
A local installer that treats your home like its own
Quality you can see
Premium uPVC profiles, A-rated glass and a tidy, precise finish — inside and out.
Genuinely local
Based in London — you'll deal with the same friendly team from quote to completion.
FENSA-registered
We self-certify to Building Regulations and issue your FENSA certificate on completion.
Tidy installs
We protect your home, clear up fully and take the old frames away — you'd hardly know we'd been.
Guaranteed
Your installation is backed by a guarantee for real peace of mind. [CONFIRM length]
Trusted on big projects
An approved sub-contractor on large social-housing replacement schemes — the same standards on every home.
From first call to FENSA certificate — four simple steps
Free survey
We visit, measure up and talk through your options — no obligation and no hard sell.
Made to measure
Your windows and doors are manufactured to the exact size, colour and spec you chose.
Professional fit
Our experienced fitters install everything cleanly and check it over with you.
FENSA certificate
You get your Building-Reg certificate and guarantee — all signed off and sorted.
Proudly serving London, Essex and Kent
If you're in one of these areas, you're on our doorstep. Not listed? Just ask — we cover the surrounding areas too.
Trusted by homeowners across London, Essex and Kent
“Placeholder review — swap for a real one. The team replaced every window in our Victorian terrace. Spotless work and so much warmer.”Sample CustomerHither Green, SE13
“Placeholder review — swap for a real one. New composite front door and it's transformed the hallway. Friendly, tidy and on time.”Sample CustomerCatford, SE6
“Placeholder review — swap for a real one. Sash windows that look exactly like the originals but no more draughts. Couldn't be happier.”Sample CustomerBlackheath, SE3
Accreditations & quality systems
Registered, insured and built from trusted profile systems. [Swap these for your real accreditation & brand logos]
Ready for a free, no-obligation quote?
Tell us what you need and we'll arrange a free survey at a time that suits you.