Skylight installation in Bath: what is involved?
Skylight installation in Bath means survey, supply and fit — new openings, extensions and fit-only work. We cover the BA1 district and the rest of Somerset, with a survey before any price is fixed.
Barn and chapel conversions in the South West often need bespoke or shaped rooflights to suit the original structure. Typical uses for skylight installation include builders' projects and retrofits into finished roofs.
Bath is the main town we list in Somerset; we also cover nearby Trowbridge and Kingswood.
What you can choose
- Upstands and flashings
- Electrics coordination
- New openings with joist trimming
- Internal plaster reveal
- Fit only (customer-supplied units)
- Free survey for new installations
- Fixed price in writing before work
Things we check at survey
- Work at height is planned with suitable access
- Fit-only work relies on the product being suitable and complete
Do you need permission in Bath?
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. 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. The Future Homes and Buildings Standards, published in March 2026, apply from 24 March 2027 and keep the 2.2 W/m²K limit for rooflights.
Read the planning permission guide before you commit to a design.
Skylight installation prices in Bath
Prices below are shown including and excluding VAT. In Bath, as elsewhere, making good inside and access equipment are the main variables.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| New opening in an existing roof, supply and fit | £2,395 – £5,395 | £1,995 – £4,495 |
| Supply and fit into a new extension Typical | £1,435 – £3,595 | £1,195 – £2,995 |
| Fit only, customer-supplied unit | £595 – £1,195 | £495 – £995 |
From enquiry to finished job
- Tell us what you have. Send the BA1 postcode, a rough size and a couple of photos.
- Free site visit. For new installs we survey free, measure and confirm the roof detail.
- Fixed quote. Product, work and price in writing — nothing is ordered until you agree.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Nearby towns
More we do in Bath
Questions about skylight installation in Bath
Who handles building control?
We tell you which route applies — building control approval, a building warrant in Scotland, or in England and Wales self-certification by a registered competent person — and supply the product data.
Is the survey free?
Yes, for new installations. Repair visits are charged.
Do I need a structural engineer?
For new openings that cut joists or rafters, a structural check is sensible and building control may ask for calculations.
How do I book a survey in Bath?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
Is the survey in Bath free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
