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Lisburn · BT27 · County Antrim

Smoke vent rooflight installation in Lisburn

A rooflight is not finished when the roof is watertight. The inside matters too: the reveal or lining around the opening, the plaster, the trim where it meets the ceiling. Some installers leave that for somebody else. When we quote for smoke vent rooflight installation in Lisburn, internal finishing is listed so you can see whether it is included or left for your decorator. That way a smoke vent rooflight looks right from the room below as well as from outside. We cover Lisburn and properties throughout County Antrim.

Guide price from £3,595 · Supply & fit; controls and commissioning by a smoke-control specialist

Lisburn guide prices

Vent swap

£3,595 – £6,595including VAT at 20%

Like-for-like certified vent and actuator, connected to the existing controls and commissioned by a smoke-control specialist

Vent with new controls

£5,745 – £9,595including VAT at 20%

Vent plus new control panel and detection, commissioned by a smoke-control specialist

Multiple vents

£9,595 – £17,995including VAT at 20%

Several stairwells or larger systems, priced from a survey

Guide ranges for supply & fit; controls and commissioning by a smoke-control specialist. 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 Lisburn and nearby

Distance is rarely the deciding factor. A roof in Belfast, 7 miles from Lisburn, gets the same survey, the same written quote and the same fitting process as one in BT27, BT28 and BT17. What changes the price is the job itself: size of unit, roof type, access and lifting. Castlereagh, around 7 miles out, is treated the same way.

Included in the work

  • Existing vent, actuator and upstand surveyed with the specialist
  • Old vent removed with the stairwell kept protected below
  • Commissioning and sign-off carried out by the specialist before handover
  • Certified as a system — We only fit smoke vents that are certified to BS EN 12101-2.
  • Controls and backup power — We confirm the controls, detection and backup power are being dealt with by a specialist.

From arrival to clean-up

On the day, you need to be in at the start and at the end. In between, the fitters get on with it. They will want the room below cleared where possible, a parking spot if you have one, and somewhere to set the unit down safely. After checking the opening and the upstand or flashing, they fix a smoke vent rooflight, seal it and finish the inside. Packaging and any old unit leave with them unless the quote says otherwise.

Regulations for Lisburn properties

In Northern Ireland, smoke vents must be certified products that keep the free area the building's fire strategy requires, with controls connected and commissioned by a smoke-control specialist. The Technical Booklets and building control set the detailed requirement, and we confirm it before quoting.

Before you get in touch

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, BT27 or nearby, confirms travel.

Common questions in Lisburn

What upstand height and roof pitch does smoke vent rooflight fitting need?

It depends on the product. Manufacturers usually specify a minimum upstand height above the finished roof surface, and a minimum pitch on the glass so rain runs off. We follow the maker's figures for your unit rather than a rule of thumb. If your existing kerb or roof falls short, we explain the options, such as raising the upstand or choosing a unit with built-in pitch.

Do you cover Lisburn?

Yes. Fitters travel to addresses in Lisburn and the surrounding districts, including BT27. 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.

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.

For a free, no-obligation quote in Lisburn, use the form or call us with the details of your roof.

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

Smoke vents (AOV) in Lisburn

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

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