Whole-house replacement · West Sussex
Whole-house triple glazing in Crawley
Whole-house triple glazing for homes in Crawley: measured on a free survey, made to order and fitted by installation teams working for us across West Sussex.

One survey, one fitting team, one matched look. Whole-house triple glazing means replacing every window, and usually the external doors, in one job.
Winter light and glass choice in Crawley
In Crawley, midday sun in late December sits around 15° high, with roughly 7 h 53 min of daylight. For windows facing north or shaded by neighbours, cutting heat loss matters more than solar gain; on open south-facing glass, ask about a higher solar-gain unit.
Guide prices in Crawley
| Guide | Supply and fit, inc VAT |
|---|---|
| 2-bed terrace 5 windows + front door | £5,695 – £7,195 |
| 3-bed semi 9 windows + front door | £9,395 – £11,795 |
| 4-bed detached 12 windows + front door + French doors | £13,595 – £16,995 |
Guide prices. Your written quote after the free survey fixes the price for the specification shown.
Rules for whole-house replacement in England
England requires replacement windows to achieve 1.4 W/m²K, or a Window Energy Rating of band B or better, which good triple glazing passes comfortably. Replacement windows are a controlled fitting. A competent person scheme installer (such as FENSA or Certass) self-certifies the work and notifies the council within 30 days; otherwise a building control body approves it.
Planning: Replacing windows on a house is normally permitted development if the new ones look similar. New upper-floor windows in a side wall must be obscure glazed and fixed, or open only above 1.7 m. Flats and maisonettes have no householder permitted development rights, so a change that alters their appearance needs planning permission. An Article 4 direction in a conservation area may mean permission is needed, and listed buildings need listed building consent.
How it works
You will know exactly what you are buying: the quote states the unit build-up, frame, finish, fitting work and how Building Regulations compliance is handled. On fitting day each opening is replaced and closed up before the team moves on.
- Every opening measured, including escape and vent needs
- Frames rated for the weight of triple glass
- Old windows removed and taken away
- Each opening closed up the same day
Questions from Crawley
How long does a whole-house installation take?
Usually 1 to 2 days for a small house and 2 to 4 days for a larger one.
Do I need to move out?
No. We work room by room and make each opening weathertight the same day.
Do you fit whole-house triple glazing in Crawley?
Yes. We arrange surveys and fitting in Crawley and across West Sussex. Send your postcode and the windows or doors you want replaced, and we will book a free survey.
How long does it take to get whole-house triple glazing fitted in Crawley?
After the survey, typical manufacture time is 4 to 8 weeks, and most homes are fitted in 1 to 4 days.
Nearby
Also near Crawley: Horley (7 km), Horsham (12 km), East Grinstead (12 km) and Reigate (14 km).
Other products in Crawley
- uPVC windows
- Aluminium windows
- Timber windows
- Alu-clad timber windows
- Casement windows
- Flush casement windows
- Tilt and turn windows
- Sash windows
- Bay and bow windows
- Fixed and picture windows
- Composite front doors
- French doors
- Sliding patio doors
- Bifold doors
- Glass-only replacement
- Acoustic triple glazing
- Security glazing
- New builds and self-builds
- Period homes and conservation areas
- Flats and apartments
- Passivhaus and EnerPHit
Whole-house replacement in Crawley: book your free survey
Written quote fixed for the specification, after a free survey. Building Regulations sign-off by a competent person scheme installer or building control, as the law requires in England.
