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Letchworth Garden City · SG6 · Hertfordshire

Flat rooflight installation in Letchworth Garden City

If the flat rooflight on your roof now is misted, discoloured, cracked or letting water in, replacing it is often simpler than people expect. The old unit comes out, we inspect the kerb or frame underneath, and we decide with you whether it can be reused or needs rebuilding. Then the new one goes in, sealed to the roof covering and finished inside. We handle this kind of flat rooflight installation in Letchworth Garden City and nearby, alongside new openings and fit-only work. Postcode SG6 and its neighbours are all within our cover.

Guide price from £995 · Supply & fit

Letchworth Garden City guide prices

Small fixed

£995 – £1,495including VAT at 20%

Double-glazed fixed unit up to 1000 × 1000 mm, fitted to a ready upstand

Medium fixed

£1,495 – £2,295including VAT at 20%

1000 × 1500 to 1000 × 2000 mm, double or triple glazed

Large fixed

£2,295 – £4,095including VAT at 20%

Bigger units, solar-control glass, two-person lift or lifting gear

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.

Areas around Letchworth Garden City we cover

Fitters travel to the job, so the address is what counts. In Letchworth Garden City that means postcode districts SG6, SG5 and SG7, and the same teams can just as easily take on work in Hitchin, about 3 miles away, or Stevenage 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.

Your flat 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 flat 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.

On the day, we cover

  • Upstand checked or built to the maker's internal and external sizes
  • Unit bedded on the specified sealant or tape and screw-fixed
  • Fall confirmed so rain runs off the glass rather than sitting on it
  • Fixed or opening — We ask whether you need ventilation before you settle on a fixed unit.
  • Pitch of the glass — We make sure the glass will sit at the pitch its maker asks for.

From arrival to clean-up

Morning first: the team arrives, introduces itself and walks through the job with you. Dust sheets go down in the room below and along the route in. Then the opening and upstand, or the flashing on a pitched roof, are checked against the unit's measurements. A flat rooflight goes in, is fixed to the maker's pattern and sealed into the roof covering. Inside, the reveal is finished as quoted. Before leaving, the team clears debris and talks you through what was done. Most jobs of this type take one day.

Planning and building rules 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.

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 SG6 and we will come back with a quote or a survey date.

Common questions in Letchworth Garden City

Do you cover Letchworth Garden City?

Yes. Fitters travel to addresses in Letchworth Garden City and the surrounding districts, including SG6. 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.

Do I need planning permission for a rooflight in Letchworth Garden City?

Often not. Many rooflights fall under permitted development, provided they do not project beyond the national limit and meet the other conditions that apply in England. Conservation areas, listed buildings and some flats are different and may need consent. Because the rules depend on the property, we confirm what is likely to apply at your address and point you to the planning authority where an application is needed.

Can you fit the flat rooflight I bought online?

Yes, fit-only is one of our core services. Send the product link or spec, photos of the roof and rough sizes, and we can usually price it from those. Before fitting we check the delivery for damage, which should be reported to the seller, plus the size against the builder's opening and the upstand height. The product warranty stays with the maker or seller, and our guarantee covers the fitting.

Questions before you commit? Send them over with your Letchworth Garden City 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

Flat rooflights in Letchworth Garden City

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

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