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RooflightInstallers.co.uk
Tonypandy · CF40 · Mid Glamorgan

Dome rooflight replacement in Tonypandy

Plenty of rooflight trouble starts with a tape measure. Units are often sold by the builder's opening, meaning the hole in the roof, rather than the overall external size, and confusing the two leaves you with a frame that does not suit the opening. Before we fit any dome rooflight in Tonypandy, we measure the opening, the upstand or kerb where there is one, and the finished roof level, then compare them with the maker's drawing. If something is out, you hear about it before the fitting day rather than on it. That single check keeps most jobs like this on track.

Guide price from £395 · Supply & fit, per dome; building control notice fee extra on homes in England and Wales

Guide prices

Like-for-like dome

£395 – £695including VAT at 20%

Old dome taken off, new multi-skin dome fixed to the sound existing kerb

Dome with kerb adaptor

£695 – £1,195including VAT at 20%

New dome where the kerb needs an adaptor or packing

Upgrade to glass

£1,095 – £1,695including VAT at 20%

Dome swapped for a double-glazed glass rooflight on the existing sound kerb, as in our replacement service

Guide ranges for supply & fit, per dome; building control notice fee extra on homes in England and Wales. 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 Tonypandy

Fitters travel to the job, so the address is what counts. In Tonypandy that means postcode districts CF40, CF39 and CF41, and the same teams can just as easily take on work in Rhondda, about 3 miles away, or Pontypridd at roughly 5 miles. Survey and fitting dates are offered according to fitter availability, and travel is built into the quote rather than added later.

What we check on a supplied unit

Your unit or ours, the fitting standard is the same. For supply and fit we choose a dome rooflight 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.

On the day, we cover

  • Adaptor or packing fitted where the old kerb needs it
  • Kerb top cleaned of old sealant, fixings and loose felt
  • Old dome unscrewed, lifted off and taken away
  • Is the kerb sound? — We check each kerb for rot and movement before quoting a dome swap.
  • Multi-skin domes and energy — We fit multi-skin domes rather than single-skin ones as replacements.

How a fitting day runs

Protection comes before tools. Floors, furniture and stairs get covered, and the ceiling below the opening is sheeted to catch dust. Up top, the fitters confirm the opening is square and the upstand or flashing suits what the maker specifies. Fixing follows, then weather-sealing into the membrane, felt or tiles. Only once the roof is tight do they turn to the internal reveal. Time on site for a dome rooflight: a few hours per dome, weather permitting.

Planning, building control and Tonypandy

Welsh rules differ from England's in one important way: rooflights lose permitted development rights in conservation areas, National Parks, AONBs and World Heritage Sites. Elsewhere on a house, a rooflight that projects no more than 150 mm and stays below the highest part of the roof is usually fine. Building regulations still apply to new openings, replacements we fit go through a building notice because we are not scheme-registered, and the energy limit for rooflights is 2.2 W/m²K. A new Welsh Approved Document L takes effect on 4 March 2027.

Help us quote accurately

A fast quote needs five things: a photo of the roof from outside, one from the room below, rough sizes of the opening or the space, the roof covering (felt, single-ply, fibreglass, tiles, slate or metal), and a note on access. If you have already bought the unit, add the product link or spec sheet. And give us the postcode, CF40 or a neighbouring district.

Common questions in Tonypandy

How does payment work?

Payment terms are set out on your written quote before you accept it. Depending on the job, that may mean a deposit, stage payments for larger work, or payment on completion. The contract is with S&K Property Investments and Improvement Ltd, part of the S&K Group. Nothing is added without your agreement: if something unexpected comes up, we discuss it and agree any change before carrying on.

Do you cover Tonypandy?

Yes. Fitters travel to addresses in Tonypandy and the surrounding districts, including CF40. 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 replace an old dome without redoing the whole roof?

Usually, yes. If the existing kerb is sound, level and tall enough, a new unit can often sit on it with a fresh seal to the roof covering. If the kerb is rotten or too low, we rebuild it and patch the covering around it rather than stripping the whole roof. This is checked at the survey and included in the written quote, so you know the full scope first.

Get in touch with the details of your Tonypandy 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

Dome replacement in Tonypandy

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

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