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RooflightInstallers.co.uk
Cobham · KT11 · Surrey

Smoke vent rooflight installation in Cobham

Glass is heavy, and bigger units get heavy fast. Fitting a smoke vent rooflight in Cobham means planning how it travels from the delivery vehicle to the roof without chipping an edge or straining a back. Smaller units go up by hand with two fitters. Larger ones may need a hoist, a scaffold loading bay or a crane, and we tell you at quote stage if that applies. Once it is up, the fitting follows the maker's sequence: seat, fix, seal, finish. We take on work like this across Surrey.

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

What the job costs in Cobham

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.

Covering KT11 and neighbouring districts

If you also own a property or a business unit in Esher, Weybridge or Walton-on-Thames, that is no problem. We can survey and quote both, and where it suits, line the fitting days up together. Every address is reached by fitters travelling to it from their current jobs, and KT11, KT13 and KT14 sit comfortably within that pattern.

What we do on the day

  • Certified vent and actuator matched to the opening and controls
  • Controls, detection and wiring handled by the smoke-control specialist
  • New vent fitted, sealed and weathered into the roof
  • Fire rules near escape routes — We check the roof around the vent for fire rules that affect it.
  • Upstand and weathering — We check the upstand suits the new vent and that the roof around it is sound.

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.

Planning, building control and Cobham

A replacement smoke vent in England has to keep the free area and performance the building's fire strategy relies on, using a vent certified to BS EN 12101-2 with its actuator and backup power. We fit the vent and do the roof work; a smoke-control specialist connects and commissions the controls, and we confirm whether building control needs to be notified.

What to send for a quick 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 KT11 and we will come back with a quote or a survey date.

Common questions in Cobham

Will my new smoke vent 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.

Do you cover Cobham?

Yes. Fitters travel to addresses in Cobham and the surrounding districts, including KT11. 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.

Does commercial rooflight work need building control?

Usually. New openings, structural changes and smoke vents go through building control, and on buildings covered by fire safety law that means a full plans application rather than a building notice. We are not registered with a competent person scheme, so replacements we fit are notified to building control. We confirm the route and show any fee on the quote.

Questions before you commit? Send them over with your Cobham 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

Smoke vents (AOV) in Cobham

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

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