What do flat rooflights in Crewe involve?
Flat rooflights in Crewe means fixed double or triple glazed rooflights for flat roofs and extensions. We cover the CW1 district and the rest of Cheshire, with a survey before any price is fixed.
Exposed hillside towns in the North West need flashing and seal details that cope with wind-driven rain. Think of flat rooflights for landings, bathrooms and rear extensions with flat roofs.
Crewe sits about 12 km from Winsford and 14 km from Kidsgrove, and we cover the whole CW1 postcode district and the roads in between.
Choices for your Crewe project
- Square, rectangular or long-format sizes
- Double or triple glazing
- Insulated kerb or timber upstand built to suit
- Frame colours: anthracite, black, white or RAL
- Rain sensor if paired with an opening unit
- Double or triple glazed with a warm-edge spacer
- Fixed units are simple, quiet and low-maintenance
What to check first
- Rooflights count toward glazing in an extension, which matters for Building Regulations energy and overheating rules
- Needs a properly formed upstand — usually at least 150 mm above the finished roof surface (check the manufacturer's figure)
Planning and building rules for Crewe
In England a rooflight on a house is usually permitted development under Class C if it projects no more than 150 mm beyond the roof slope and sits no higher than the ridge. A rooflight on a side-facing slope must be obscure-glazed, and fixed shut unless the opening part is more than 1.7 m above the floor.
Under Approved Document L, a rooflight added to an English home must achieve at least 2.2 W/m²K (horizontal plane), and a roof window 1.4 W/m²K or Window Energy Rating Band B. Replacing a rooflight or roof window can be self-certified by an installer registered with an authorised competent person scheme; otherwise building control approval is needed.
See our building regulations guide for U-values, glazing limits and self-certification.
Flat rooflights prices in Crewe
The ranges below are typical for straightforward jobs; your fixed price follows a survey of your roof.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large or triple glazed (1500 × 2500 mm and up) | £2,395 – £4,195 | £1,995 – £3,495 |
| Mid-size double glazed (1000 × 2000 mm) Typical | £1,675 – £2,395 | £1,395 – £1,995 |
| Small double glazed (up to 1000 × 1000 mm) | £1,195 – £1,795 | £995 – £1,495 |
The process, step by step
- Tell us what you have. Send the CW1 postcode, a rough size and a couple of photos.
- Survey. We measure the opening, check the roof build-up and agree the options.
- Agree the quote. You approve the specification and price before anything is ordered.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Nearby towns
Other services in Crewe
Flat rooflights in Crewe: questions
Can a flat rooflight be walked on?
Not unless it is designed as a walk-on unit with structural laminated glass. A standard flat rooflight is for light only — if the roof is used as a terrace, choose a walk-on rooflight instead.
Can you fit into my existing flat roof?
Yes. We form a new opening, trim the joists, build and waterproof an upstand and make good the ceiling. A survey confirms the joist direction and roof build-up first.
Double or triple glazing?
Double glazing suits most domestic jobs. Triple glazing improves thermal performance and cuts noise from rain, which is worth it over bedrooms or where the energy calculation is tight.
Can you work alongside my builder in Crewe?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
Do you fit flat rooflights in Crewe?
Yes. We survey and fit flat rooflights in Crewe and across Cheshire. Send your postcode and we will offer a survey date when we reply.
