How we approach skylight replacement in Purley
Skylight replacement in Purley means replacing tired domes and failed glass with a modern rooflight. We cover the CR8 district and the rest of Greater London, with a survey before any price is fixed.
Many London roofs are reached only through the house or over neighbouring property, so lifting heavy glass is planned at survey rather than on the day. In Purley, as anywhere, skylight replacement is the usual choice for older extensions due a modern rooflight.
Purley is around 19 km from central London, and we survey and fit throughout that part of Greater London, including the CR8 district.
Choices for your Purley project
- Like-for-like size replacement
- Misted glass unit replacement only
- Upstand rebuild and insulation
- Fixed to electric opening
- Dome to flat glass upgrade
- Usually done in a day
- Clearer view and more light
What to check first
- Enlarging the opening changes the structure and may need approval
- Old glass and domes are disposed of responsibly
Planning and building rules for Purley
Most rooflights on English houses do not need planning permission, provided they keep within 150 mm of the roof surface and below the ridge line. Listed buildings need listed building consent, flats have no householder permitted development rights, and an Article 4 direction can remove the rights in some conservation areas.
For English homes the energy rules ask for rooflights of 2.2 W/m²K or better and roof windows of 1.4 W/m²K (or WER Band B); most modern double glazed units meet both. In an extension, glazing including rooflights is normally limited to 25% of the new floor area plus any windows or doors the extension covers, unless a whole-house calculation shows otherwise.
Read the planning permission guide before you commit to a design.
Guide prices for Purley
Guide prices for skylight replacement in Purley are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Replacement with upstand rebuild and opening unit | £2,995 – £4,795 | £2,495 – £3,995 |
| Dome to flat glass upgrade Typical | £1,915 – £2,995 | £1,595 – £2,495 |
| Like-for-like glass rooflight | £1,555 – £2,155 | £1,295 – £1,795 |
From enquiry to finished job
- Tell us what you have. Send the CR8 postcode, a rough size and a couple of photos.
- Survey. We measure the opening, check the roof build-up and agree the options.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Fitting and handover. We install, clean down and leave product and warranty documents.
Neighbouring towns
Other services in Purley
Questions about skylight replacement in Purley
Will it mess up my ceiling?
We protect the room and make good the reveal. Minor decoration may be needed afterwards.
Do I need building regulations approval to replace a rooflight?
Replacements in existing homes generally need to meet current thermal standards and may need notification or approval. We advise on the route for your job.
Can I go bigger when replacing?
Possibly. Enlarging the opening means trimming joists, so we check the structure first.
Can you work alongside my builder in Purley?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
How do I book a survey in Purley?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
