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RooflightInstallers.co.uk
Dorset · England

Roof lantern installation in Dorset

No two roof lanterns in Dorset cost exactly the same to fit, and a guide price only gets you so far. What moves it: the size and weight of the unit, whether a new opening is needed, the roof covering, scaffold or lifting needs, and how much internal finishing you want. We quote roof lantern installation across Dorset with each of those spelt out. Send photos for a first figure, or arrange a survey where the job calls for one.

Guide prices in Dorset

About 1 × 2 m

£3,095 – £4,545including VAT at 20%

Aluminium lantern, double glazed, fitted and glazed on a ready upstand

About 1.5 × 3 m

£4,545 – £7,195including VAT at 20%

Mid-size lantern, solar-control glass options

2 × 4 m and over

£7,195 – £11,395including VAT at 20%

Large lanterns, lifting gear on the day

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.

Towns we list in Dorset

Builders and roofers working in Dorset can use us for the rooflight element of a job, wherever the site is in England. Homeowners can book us directly. In both cases the fitters come to the address, the work follows the maker's instructions, and a written quote fixes the price first. Fitting is carried out by vetted teams under S&K's direction.

What we do on the day

  • Glass cleaned and packaging cleared from the roof
  • Upstand checked for size, level and square before the kit is opened
  • Frame assembled on the kerb in the maker's set order
  • Lanterns and planning — We check whether your lantern can go in without a planning application.
  • Level, not to a fall — We set or check the kerb level unless your lantern's maker says otherwise.

Rules that apply in England

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.

Common questions in Dorset

Do you cover Dorset?

Yes. Fitters travel to addresses in Dorset and the surrounding districts, including BH, DT and SP postcodes. 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.

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.

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.

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

Fitting in Dorset

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

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