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RooflightInstallers.co.uk
Portslade · BN41 · East Sussex

Commercial rooflight installation in Portslade

A rooflight is not finished when the roof is watertight. The inside matters too: the reveal or lining around the opening, the plaster, the trim where it meets the ceiling. Some installers leave that for somebody else. When we quote for commercial rooflight installation in Portslade, internal finishing is listed so you can see whether it is included or left for your decorator. That way a commercial rooflight looks right from the room below as well as from outside. We cover Portslade and properties throughout East Sussex.

Guide price from £1,095 · Supply & fit, per unit; site set-up priced separately

Guide prices

Per standard unit

£1,095 – £1,895including VAT at 20%

Flat glass or polycarbonate unit on an existing kerb, as part of a multi-unit job

Per large unit

£1,895 – £3,345including VAT at 20%

Larger or ventilating units, edge protection in place

Programme of works

£3,345 – £7,195including VAT at 20%

Phased replacement across a building, priced from a survey

Guide ranges for supply & fit, per unit; site set-up priced separately. Your price is fixed in a written quote after we have seen photos or surveyed. Scaffold, access towers or a crane are priced separately if the job needs them, and building control fees, where a job needs them, are shown as their own line.

Is your address covered?

Portslade and the districts around it, BN41, BN3 and BN1, all sit inside our working area. So does the ground between Portslade and Hove (2 miles), and on towards Shoreham-by-Sea (3 miles). When a fitting team is booked, their travel is already in the quoted price, so it does not turn up as a surprise line on the final bill.

What the job includes

  • Access, edge protection and fragile-roof covers planned before work starts
  • New units fitted, sealed and weathered into the roof covering
  • Kerbs checked and packed, adapted or rebuilt where needed
  • Glass or polycarbonate — We compare glass and polycarbonate units against the roof, use and budget.
  • Fragile roofs and rooflights — We treat every rooflight and the roof around it as fragile until we have checked it.

Fitting your commercial rooflight, step by step

Fitting days start with a look at the sky. If rain is due, the order of work changes so the roof is never left open to it. A typical day for a commercial rooflight runs like this: set up access, protect the room, open up the roof or prepare the existing kerb or frame, check sizes, fix, seal, then finish inside. On jobs that take more than a day, the opening is weather-sealed overnight. The last hour goes on tidying, waste removal and a walk-round with you.

Planning, building control and Portslade

For non-domestic roofs in England, expect building control involvement for new openings, energy limits of 2.2 W/m²K for rooflights, and fire checks where rooflights sit near a boundary or above an escape route. Smoke ventilation rooflights must be certified products, with controls commissioned by a specialist. We set out what applies to your building on the quote.

Help us quote accurately

What we cannot see, we have to guess, and guesses make quotes wider. So the more you send, the tighter the price. Useful: shots from the roof or garden, shots from the room underneath, a rough width and length, the roof finish, any access problems, and the product page if you have already ordered. Add the property postcode around BN41 and we will come back with a quote or a survey date.

Common questions in Portslade

Do commercial rooflights need planning permission?

Like-for-like replacements on commercial buildings rarely need planning permission. New or larger rooflights on non-domestic buildings and blocks of flats usually need checking with the planning authority, because householder permitted development rights don't apply. We tell you what we know about your building and point you to the right team.

Do you cover Portslade?

Yes. Fitters travel to addresses in Portslade and the surrounding districts, including BN41. We do not run an office there; the survey and the fitting happen at your property. A few island and remote postcodes are covered by arrangement; if yours is one, we confirm travel and dates before quoting.

Can you fit a rooflight in winter or when it is raining?

Yes, within limits. Cold is less of a problem than wet, because membranes, primers and sealants need a dry surface to bond. We plan fitting days around the forecast and may move a date if heavy rain is due. If the roof has to be opened up, it is not left overnight without a temporary weather seal, so the room below stays dry while the work is finished.

Get in touch with the details of your Portslade property and we will explain what the job involves and what it costs.

Rear extension at dusk with lit rooflights and a roof lantern
Ready when you are

Commercial rooflights in Portslade

Send photos and rough sizes, or ask for a survey for install work. One fixed written price before anything starts.

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