Skylight installation in Portslade: what is involved?
For Portslade homes and buildings we offer skylight installation: survey, supply and fit — new openings, extensions and fit-only work. We measure first, specify to the opening and confirm any planning or building-control points before quoting.
Period cottages and conservation-area streets are common in the South East, so slim conservation rooflights are often the right choice. Typical uses for skylight installation include new extensions, new openings and fit-only jobs.
Jobs in Portslade are planned around access: whether the roof can be reached from the garden, whether a hoist or crane is needed, and where we can park. We check this when we measure.
Specification options
- Upstands and flashings
- Fit only (customer-supplied units)
- Electrics coordination
- New openings with joist trimming
- Supply and fit
- New openings in existing roofs
- Making good inside included
Before you order: points to check
- Structural changes may need an engineer's check
- Building Regulations approval (a building warrant in Scotland) may be needed
Planning, building control and Portslade
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.
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. 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.
What does skylight installation cost in Portslade?
These are typical supply-and-fit ranges. For an address in Portslade, scaffold, a hoist for heavy glass, or a new structural opening can move the figure, which is why we survey first.
| 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 |
What happens next
- Send the details. Postcode, rough size and a photo of the roof and room.
- Survey. We measure the opening, check the roof build-up and agree the options.
- 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.
Skylight installation near Portslade
More we do in Portslade
Questions about skylight installation in Portslade
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.
Do you work with builders?
Yes — on new extensions we fit to the builder's programme once the upstand or roof is ready.
Is the survey free?
Yes, for new installations. Repair visits are charged.
Is the survey in Portslade free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
Can you work alongside my builder in Portslade?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
