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RooflightInstallers.co.uk
Chalk Farm · NW5 · Greater London

Dome rooflight replacement in Chalk Farm

Rooflight work is weather work. Membranes, primers and sealants all want a dry surface, so a fitting day in Chalk Farm is planned around the forecast rather than pinned to a date regardless of rain. The opening is kept covered whenever it is exposed, and a roof is not left open overnight without a proper temporary seal. That approach applies to every dome rooflight we install, from a new opening to a straight swap or a fit-only job. We cover Chalk Farm, the NW5 district and the rest of Greater London.

Guide price from £395 · Supply & fit, per dome; building control notice fee extra on homes in England and Wales

Guide prices in Chalk Farm

Like-for-like dome

£395 – £695including VAT at 20%

Old dome taken off, new multi-skin dome fixed to the sound existing kerb

Dome with kerb adaptor

£695 – £1,195including VAT at 20%

New dome where the kerb needs an adaptor or packing

Upgrade to glass

£1,095 – £1,695including VAT at 20%

Dome swapped for a double-glazed glass rooflight on the existing sound kerb, as in our replacement service

Guide ranges for supply & fit, per dome; building control notice fee extra on homes in England and Wales. 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 Chalk Farm and nearby

Fitters travel to the job, so the address is what counts. In Chalk Farm that means postcode districts NW5, NW1 and NW3, and the same teams can just as easily take on work in Camden Town, about 1 mile away, or Holloway at roughly 1 mile. Survey and fitting dates are offered according to fitter availability, and travel is built into the quote rather than added later.

Buying your own, or letting us supply

There are two ways to do this. Supply and fit means we source a dome rooflight that suits your roof and install it, so one company answers for both the product choice and the fitting. Fit-only means you buy the unit and we install it. With fit-only, the product warranty stays with the maker or seller, and our written guarantee covers the fitting work. Both routes get the same checks on the opening, the upstand and the maker's instructions before anything is fixed.

What we do on the day

  • Inside checked for drips and the trim refitted
  • Kerb top cleaned of old sealant, fixings and loose felt
  • Old dome unscrewed, lifted off and taken away
  • Multi-skin domes and energy — We fit multi-skin domes rather than single-skin ones as replacements.
  • Kerb size and adaptors — We measure every kerb against the new dome's sizes.

Fitting your dome rooflight, 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 dome rooflight: a few hours per dome, weather permitting.

Planning, building control and Chalk Farm

Replacing a rooflight in an English home is a controlled fitting: it has to be self-certified by a scheme-registered installer or notified to building control. We are not registered with a competent person scheme, so replacements we fit are notified with a building notice, and the new unit has to meet current energy limits. Adding a new one usually means a building regulations application, because joists or rafters are trimmed. On the planning side, most house rooflights are permitted development if they project 0.15 m or less; on a side slope the glass must be obscured and fixed unless the opening part is over 1.7 m above the floor.

Help us quote accurately

For fit-only work, the product details matter most: the link, the spec sheet, or a photo of the label on the box. Alongside that, send pictures of the roof and the ceiling below, approximate opening sizes, the type of roof covering, and how someone would get onto the roof. For supply and fit, the same photos and sizes do the job. Finish with your postcode, such as NW5.

Common questions in Chalk Farm

Do I need planning permission for a rooflight in Chalk Farm?

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.

Do you cover Chalk Farm?

Yes. Fitters travel to addresses in Chalk Farm and the surrounding districts, including NW5. 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.

How long does fitting take?

Fitting a dome rooflight 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.

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

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

Dome replacement in Chalk Farm

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

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