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RooflightInstallers.co.uk
Harringay · N8 · Greater London

Roof lantern installation in Harringay

Builders and extension firms in Harringay often want the rooflight stage of a project handled by a specialist fitting team. We step in once the roof deck or battens are ready, fit a roof lantern on your upstand or ours, detail it into the membrane or tiles, and leave the opening ready for the plasterer. Homeowners get exactly the same service directly. In each case the job is quoted in writing first, with any access or lifting needs spelt out. Jobs around N8 and the neighbouring districts are welcome.

Guide price from £3,095 · Supply & fit

Harringay guide prices

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.

Is your address covered?

Distance is rarely the deciding factor. A roof in Wood Green, 1 mile from Harringay, gets the same survey, the same written quote and the same fitting process as one in N8, N15 and N4. What changes the price is the job itself: size of unit, roof type, access and lifting. Stamford Hill, around 1 mile out, is treated the same way.

Already bought your unit?

Which works out better, buying your own or letting us supply? It depends on what you value. Buying your own gives you control of the product and what you pay for it. Letting us supply puts the whole job, unit and fitting, under one written quote. On a customer-supplied unit we still measure it against the opening, look at the upstand, and inspect the condition it arrived in. Warranty on the product sits with whoever sold it, while the fitting carries our own guarantee.

What we do on the day

  • Upstand checked for size, level and square before the kit is opened
  • Frame assembled on the kerb in the maker's set order
  • Caps, end closures and ridge trims fitted and sealed
  • Heat and glare — We talk through the glass options before you order a large lantern.
  • Upstand size and tolerance — We check the kerb against the lantern maker's figures before the kit is opened.

Fitting your roof lantern, step by step

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 roof lantern: one to two days, weather permitting.

Planning and building rules in England

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

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 N8 and we will come back with a quote or a survey date.

Common questions in Harringay

How long does fitting take?

Fitting a roof lantern 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.

Do you cover Harringay?

Yes. Fitters travel to addresses in Harringay and the surrounding districts, including N8. 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.

Got a unit waiting to go in, or need one sourced? Either way, start with your Harringay address and a couple of photos.

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

Roof lanterns in Harringay

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

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