★★★★☆★4.7 on Google from 50+ reviews
Crestshield Windows — builders in London
Crestshield Windows is a family-run company that installs UPVC and double glazed windows, doors and conservatories, working across London and East Sussex. Its family workforce has been operating since 1989.
What Crestshield Windows does — and what it typically costs in London
Every job below can be priced from this page. The ranges are what London homes typically pay, from Locufy's price guides. Crestshield Windows confirms the exact figure in a written quote — asking is free, with no obligation.
Building & extensions
Kitchens, bathrooms & interiors
Roofs, walls & windows
Typical prices from Locufy's UK 2026 price guides — each guide explains what the job involves and what moves the price. Rendering and insulation installer are also offered, priced on survey.
About Crestshield Windows
Crestshield Windows is a family-run company that installs UPVC and double glazed windows, doors and conservatories, working across London and East Sussex. Its family workforce has been operating since 1989.
You can ask for a written price on any building job from this page — an extension, a kitchen refit, a roof that leaks — and compare it with other London builders if you want to.
At a glance
- Trade
- Building and construction
- Based
- London
- Covers
- London and 15 km around
- 4.7 · 50+ reviews
- Hours
- Mon–Fri 9:00–16:00, Sat 10:00–14:00
- Quotes
- Written, free, no obligation
A written price, with no obligation
Describe the job
A line or two and a photo if you have one — it takes a minute.
Crestshield Windows prices it
Locufy passes it on; they come back to you with a written price.
Book, or compare
Happy? Book the date directly with them. Not sure? Compare quotes from other London builders.
How Crestshield Windows is rated
As published on Google, refreshed on each visit.
Read the reviews on Google →Reviews from Locufy bookings appear here
Every Locufy review comes from a job booked through Locufy, so each one is a real customer. Booked Crestshield Windows? You can leave the first one after the job.
Have a question before you book?
Do they handle planning? Are they on the voluntary construction register? Ask here — Locufy passes it to them and emails you their answer.
London and the towns around it
Based in London, Crestshield Windows works across the city and about 15 km around it.
- London
- Islington
- City of Westminster
- Sutton
- Croydon
- Fulham
- Purley
- Mitcham
- Beckenham
- Streatham
Before you book
Where does Crestshield Windows work?
Crestshield Windows works across London and East Sussex, fitting double glazed windows, doors and conservatories in both areas.
Which types of doors does Crestshield Windows supply and fit?
Crestshield Windows fits composite, French, patio sliding, bi-fold and single residential back doors. They come in a wide range of colours and in materials including UPVC, aluminium, wood and composite.
What window styles are available?
Crestshield Windows fits standard, flush and arched casement windows as well as bay windows. They come in a wide range of colours and in UPVC, aluminium or wood.
How long has Crestshield Windows been in business?
Crestshield Windows has been in business for over 40 years, and its family workforce has been operating since 1989.
How can I contact Crestshield Windows?
You can call Crestshield Windows on 020 8776 5554 or email [email protected].
Get a written price from Crestshield Windows
You can compare it with other London builders too.
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