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RooflightInstallers.co.uk
Bentley · DN5 · South Yorkshire

Sun tunnel installation in Bentley

Sun tunnel installation in Bentley comes down to what happens around the glass. A good unit sat on a poor upstand, or with the membrane or flashing cut short at the corners, will still let water in. We fit each sun tunnel to the maker's instructions for fixings, packers and sealant, for homes and businesses across Bentley and the rest of South Yorkshire. That covers supply and fit, fit-only for a unit you already own, and swapping out a tired one. Every job starts with a written quote, so the price and scope are clear before anyone climbs a ladder.

Guide price from £595 · Supply & fit

Guide prices in Bentley

Short rigid tube

£595 – £845including VAT at 20%

Around 250 mm tube, short straight run through a loft

Wider or longer run

£845 – £1,145including VAT at 20%

Around 350 mm tube or longer runs with bends

Flat roof or complex

£1,145 – £1,745including VAT at 20%

Flat roof kits, long runs or two tubes

Guide ranges for supply & fit. 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.

Coverage in and around Bentley

Covering Bentley means covering the people who live and work there, not a single postcode. We take on domestic and commercial jobs in DN5, DN1 and DN2, and are happy to quote further out in Doncaster and Adwick le Street. If your address sits between towns, tell us and we will confirm whether it falls in our normal area or needs travel set out separately on the quote.

What we check on a supplied unit

Your unit or ours, the fitting standard is the same. For supply and fit we choose a sun tunnel to suit the roof and price it with the installation. For fit-only we work with what you have, after confirming it arrived undamaged, that it matches the builder's opening, and that the upstand will sit at the height the maker asks for. Report any transit damage to the seller, as the product cover is theirs and the maker's. Our written guarantee applies to the fitting itself.

What the job includes

  • Dome fixed and sealed on top of the flashing
  • Route through the loft checked for joists, cables and pipes
  • Dust cleared from the room below and the loft
  • Tube size — We match the tube size to the room and the roof.
  • Rigid or flexible tube — We check whether a rigid tube will fit the route before falling back on a flexible one.

From arrival to clean-up

Arrive and agree the plan. Sheet the floor and furniture. Set up the ladder, tower or scaffold. Check the opening, the upstand or flashing, and the unit against the paperwork. Fix and pack a sun tunnel level. Seal it into the roof. Line the reveal or fit the ceiling trim. Clean the glass, clear the waste, and talk you through it. That is the shape of most fitting days, and for this type of job it usually takes half a day to a day.

Do you need permission in Bentley?

England's rules in short: permitted development usually covers a rooflight on a house roof provided it doesn't stick out more than 0.15 m or rise above the ridge, though a listed building always needs consent and some streets have Article 4 directions. Building regulations apply to new openings, and replacements go through building control; as we are not registered with a competent person scheme, we use a building notice and show the fee on the quote. The energy limit for rooflights in existing homes is 2.2 W/m²K, and the 2026 Approved Document L, in force from 24 March 2027, keeps that figure.

Details that speed up your quote

Each detail you send takes a question off our list. Photos inside and out show the opening and the ceiling. Rough measurements tell us the unit size. The roof covering tells us how it will be sealed in. Access notes tell us whether a tower or scaffold is needed. A product link, if you have one, lets us check it against the opening. Your postcode, DN5 or nearby, confirms travel.

Common questions in Bentley

What if my roof opening is the wrong size for the sun tunnel?

We find out before the fitting day, not on it. If the opening is slightly out, it can usually be adjusted by trimming or by packing out the upstand. If it is a long way off, the choice is between altering the opening and changing the unit. Bear in mind that rooflights are often sold by builder's opening size rather than external size, so check which one your measurement refers to.

Do you need scaffolding to fit a rooflight?

Not always. Single-storey roofs can often be reached safely with ladders, a tower or edge protection. Higher roofs, steep pitches and large units usually need scaffold or a mobile platform, and heavy glass may need a crane. We assess access from your photos or at the survey, and any scaffold or lifting cost is shown as its own line on the written quote.

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.

Planning a sun tunnel in Bentley? Tell us about the roof and we will come back with a clear price in writing.

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

Sun tunnels 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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