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RooflightInstallers.co.uk
Weymouth · DT4 · Dorset

Fit-only rooflight installation in Weymouth

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 fit-only rooflight installation in Weymouth, internal finishing is listed so you can see whether it is included or left for your decorator. That way a rooflight looks right from the room below as well as from outside. We cover Weymouth and properties throughout Dorset.

Guide price from £445 · Labour only — you supply the rooflight

What the job costs in Weymouth

Onto a ready upstand

£445 – £795including VAT at 20%

Customer-supplied unit up to about 1.5 m², fitted to a prepared kerb, sealed and trimmed

With a new upstand

£795 – £1,295including VAT at 20%

Insulated timber upstand built, membrane turned up and dressed, unit fitted and sealed

Large or heavy unit

£1,195 – £2,145including VAT at 20%

Extra hands or lifting gear, larger openings, fixed or opening units

Guide ranges for labour only — you supply the rooflight. 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.

Areas around Weymouth we cover

Jobs across DT4, DT3 and DT5 are part of our normal cover for Weymouth. We are not an office on the high street. Our fitting teams come out to the property from wherever they are working that week. Neighbouring places such as Dorchester and Poole are covered on the same terms, so a house on the edge of town is no harder to book than one in the centre.

Your rooflights or ours

Supply and fit tends to suit people who would rather not pick a unit from a catalogue. We look at the roof, the opening and how you use the room, then put a rooflight on the quote that fits all three. Fit-only suits people who already know what they want, or have one on site. We are happy with either. The difference is who stands behind what: on fit-only, the maker or retailer covers the product, and our workmanship guarantee covers the installation.

What the job includes

  • Unit bedded on the sealant or tape the maker specifies, then screw-fixed
  • Check of the delivered unit, glass, fixings pack and instructions before work starts
  • Internal reveal trimmed or lined, with the protective film removed at the end
  • Access and lifting — We check how the unit gets from your drive to the roof.
  • Warranty conditions on your unit — We read the warranty terms that came with your rooflight before we fit it.

Fitting your rooflight, step by step

Where a job takes half a day to a day, the split is usually structural work first and finishing second. Early on, the fitters cut or prepare the opening, trim where needed and prepare the upstand or flashing. Then a rooflight is lifted in, fixed and made weathertight so the roof is sound before anyone moves inside. Plasterboard, trim and filler for the reveal come after. Each evening the work area is swept, and at the end the glass is cleaned and the team talks you through what was done.

Planning, building control and Weymouth

In England, a new rooflight opening generally needs building regulations approval because the roof structure is altered and the glazing must meet energy rules: 2.2 W/m²K for a rooflight in an existing home, or 1.4 W/m²K (or WER Band B) for a roof window. Planning is often not needed on a house: permitted development covers rooflights that stand no more than 0.15 m proud of the roof slope and sit below the highest part of the roof. Flats, listed buildings and areas with an Article 4 direction are different, so we check your address first.

Details that speed up your quote

Keep it simple. Two or three photos, outside and inside. Approximate sizes. What the roof is made of. Anything awkward about getting up there, such as a conservatory below, a narrow side path or no parking. If you bought the rooflight online, the link or model name. Then your postcode in or around DT4. That is enough for a first price.

Common questions in Weymouth

What is included in the price?

The written quote lists it line by line. Typically that covers fitting labour, fixings, sealants, membrane or flashing materials, any upstand work, internal finishing if agreed, and taking away the waste. For supply and fit, the unit itself is included too. Scaffold, lifting gear and any third-party fees, where needed, are shown separately so you can see what each part of the job costs.

Does a rooflight need building regulations approval?

A new opening usually needs building regulations approval. A replacement is a controlled fitting: it must be self-certified by an installer registered with a competent person scheme or notified to building control. We are not registered with a scheme, so replacements we fit are notified to building control with a building notice, and the council's fee is shown on your quote.

Do you cover Weymouth?

Yes. Fitters travel to addresses in Weymouth and the surrounding districts, including DT4. 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.

Questions before you commit? Send them over with your Weymouth postcode and we will answer them plainly, with a quote alongside.

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

Fit-only fitting in Weymouth

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

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