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RooflightInstallers.co.uk
Larne · BT40 · County Antrim

Frameless rooflight installation in Larne

Rooflight work is weather work. Membranes, primers and sealants all want a dry surface, so a fitting day in Larne 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 frameless rooflight we install, from a new opening to a straight swap or a fit-only job. We cover Larne, the BT40 district and the rest of County Antrim.

Guide price from £1,445 · Supply & fit

Larne guide prices

Small frameless

£1,445 – £2,145including VAT at 20%

Up to about 1000 × 1000 mm, hidden frame inside the upstand

Medium frameless

£2,145 – £3,345including VAT at 20%

Up to about 1000 × 2000 mm

Large frameless

£3,345 – £5,395including VAT at 20%

Large single panes, 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.

Fitting across Larne and nearby

Covering Larne means covering the people who live and work there, not a single postcode. We take on domestic and commercial jobs in BT40, BT38 and BT39, and are happy to quote further out in Carrickfergus and Newtownabbey. 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.

Already bought your unit?

There are two ways to do this. Supply and fit means we source a frameless 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 the job includes

  • Upstand built to the maker's drawing within its stated tolerance
  • Inside reveal formed so plaster or trim meets the glass cleanly
  • Roof covering turned up and finished under the glass overhang
  • Drainage at the overhang — We check how water leaves the glass where it oversails the kerb.
  • Tolerance on the upstand — We build frameless kerbs to the maker's tolerance rather than to normal carpentry accuracy.

Fitting your frameless 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 frameless rooflight: one day, weather permitting.

Regulations for Larne properties

For a home in Northern Ireland, check planning first: rooflights are excluded from permitted development in conservation areas and within the curtilage of listed buildings, and elsewhere must keep 0.5 m clear of the ridge, eaves and verges. Then building control: a new opening alters the roof structure, so expect a building control application and confirm with your council, and the glazing must achieve WER Band C or 1.6 W/m²K. We check both for your address before quoting.

Before you get in touch

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 BT40 and we will come back with a quote or a survey date.

Common questions in Larne

Can you fit the frameless 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.

Does a rooflight need building control approval?

In Northern Ireland a new opening alters the roof structure, so expect a building control application; confirm the position with your council, including for replacements. The new rooflight must meet WER Band C or 1.6 W/m²K. We confirm what applies before you commit.

Will my new frameless rooflight leak?

A correctly fitted unit should not. Leaks usually trace back to the detail around the frame: an upstand that is too low, a membrane or flashing that is not dressed properly, sealant applied to a damp surface, or water ponding against the kerb. We fit to the maker's instructions and check each of those points. The fitting carries a written workmanship guarantee, with its terms set out on your quote.

Send a few photos and your BT40 postcode, and we will put together a written quote for the job.

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

Frameless rooflights in Larne

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

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