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RooflightInstallers.co.uk
Muswell Hill · N10 · Greater London

Rooflight upstands & kerbs in Muswell Hill

A kerb that is a few millimetres out of square, or a little too low once the roof covering goes on, can stop a rooflight sealing properly. That is why upstand work in Muswell Hill starts with measuring the opening, the roof build-up and the unit's kerb size together. The upstand is then built from treated timber, insulated and weathered into the membrane, felt or fibreglass. You get a written quote first and a note of the sizes it was built to.

Guide price from £245 · Labour and materials, rooflight not included

What the job costs in Muswell Hill

Timber upstand

£245 – £445including VAT at 20%

Treated timber kerb built square and level to the maker's size

Insulated upstand

£445 – £845including VAT at 20%

Kerb with insulation and the roof membrane turned up and dressed

Large or with trimming

£845 – £1,445including VAT at 20%

Bigger kerbs or where joists need trimming first

Guide ranges for labour and materials, rooflight not included. 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.

Fitting across Muswell Hill and nearby

Covering Muswell Hill means covering the people who live and work there, not a single postcode. We take on domestic and commercial jobs in N10, N2 and N8, and are happy to quote further out in Wood Green and Highgate. If your address sits between towns, tell us and we will confirm whether it falls in our normal area or needs travel set out separately on the quote.

On the day, we cover

  • Fall built into the kerb where the rooflight needs one
  • Insulation fitted to the upstand faces to limit heat loss
  • Kerb sized from the maker's drawing, internal and external dimensions both checked
  • Size tolerance on the kerb — We build kerbs to a tight tolerance because rooflight glass is made to order and cannot be trimmed on site.
  • Fall built in or level — We confirm whether your rooflight needs the kerb to provide a fall or should sit level.

What happens on the day

Building an upstand starts with the rooflight's own drawing: its kerb size, height above the finished roof and fall. The team sets the timber out to those figures, checks the diagonals, insulates the outer faces and dresses the membrane up and over. If the rooflight is going on the same day, it is fitted next; if not, the kerb is protected until it does.

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.

What to send for a quick quote

Each detail you send takes a question off our list. Photos inside and out show the opening and the ceiling. Rough measurements tell us the unit size. The roof covering tells us how it will be sealed in. Access notes tell us whether a tower or scaffold is needed. A product link, if you have one, lets us check it against the opening. Your postcode, N10 or nearby, confirms travel.

Common questions in Muswell Hill

Do you cover Muswell Hill?

Yes. Fitters travel to addresses in Muswell Hill and the surrounding districts, including N10. 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 you offer trade rates for builders and roofers?

We carry out subcontract fitting for builders, roofers, extension companies and commercial contractors. Pricing is per job or per schedule of units, agreed in writing before we start. We can work to your programme, fit on your upstand or build our own, and leave the opening ready for the next trade. Send drawings or a unit schedule and we will come back with a trade quote.

Can you fit a rooflight in winter or when it is raining?

Yes, within limits. Cold is less of a problem than wet, because membranes, primers and sealants need a dry surface to bond. We plan fitting days around the forecast and may move a date if heavy rain is due. If the roof has to be opened up, it is not left overnight without a temporary weather seal, so the room below stays dry while the work is finished.

Get in touch with the details of your Muswell Hill 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

Upstands & kerbs in Muswell Hill

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

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