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RooflightInstallers.co.uk
Bentley · DN5 · South Yorkshire

Commercial rooflight installation in Bentley

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 Bentley, 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 Bentley and properties throughout South Yorkshire.

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

What the job costs in Bentley

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?

Bentley and the districts around it, DN5, DN1 and DN2, all sit inside our working area. So does the ground between Bentley and Doncaster (1 mile), and on towards Adwick le Street (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 we do on the day

  • New units fitted, sealed and weathered into the roof covering
  • Unit schedule and handover notes for the building's records
  • Kerbs checked and packed, adapted or rebuilt where needed
  • Glass or polycarbonate — We compare glass and polycarbonate units against the roof, use and budget.
  • Working around occupied buildings — We plan noise, dust and access around the people using the building.

How a fitting day runs

On the day, you need to be in at the start and at the end. In between, the fitters get on with it. They will want the room below cleared where possible, a parking spot if you have one, and somewhere to set the unit down safely. After checking the opening and the upstand or flashing, they fix a commercial rooflight, seal it and finish the inside. Packaging and any old unit leave with them unless the quote says otherwise.

Planning, building control and Bentley

On commercial buildings in England, new rooflights and changes to roof structure go through building control, and replacements in non-dwellings also need building control involvement unless fitted by a scheme-registered installer, which we are not; load-bearing or structural glass always goes through building control. Fire rules matter near boundaries and over escape routes, and smoke vents must be certified to BS EN 12101-2. We confirm the route and the paperwork for your building before work starts.

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 DN5 and we will come back with a quote or a survey date.

Common questions in Bentley

How long does fitting take?

Fitting a commercial rooflight into an existing, correctly sized opening is often a day's work. New openings take longer, because joists or rafters need trimming, an upstand or flashing has to be built or fitted, and the inside needs finishing. Large units that need lifting gear, and days lost to rain, can stretch things further. Your written quote gives a realistic estimate for your roof.

Can you remove and dispose of the old rooflight?

Yes. Taking out the old unit is part of any replacement job, and it leaves with the rest of the waste unless you ask to keep it. Old domes, glass and frames go through proper waste routes. If removal turns up a rotten kerb or damaged decking, we show you what we have found and agree the repair with you before going any further.

What upstand height and roof pitch does commercial rooflight fitting need?

It depends on the product. Manufacturers usually specify a minimum upstand height above the finished roof surface, and a minimum pitch on the glass so rain runs off. We follow the maker's figures for your unit rather than a rule of thumb. If your existing kerb or roof falls short, we explain the options, such as raising the upstand or choosing a unit with built-in pitch.

Send a few photos and your DN5 postcode, and we will put together a written quote for the job.

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

Commercial rooflights in Bentley

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

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