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RooflightInstallers.co.uk
Winchester · SO23 · Hampshire

Smoke vent rooflight installation in Winchester

Glass is heavy, and bigger units get heavy fast. Fitting a smoke vent rooflight in Winchester 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 Hampshire.

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

What the job costs in Winchester

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.

Coverage in and around Winchester

Looking at a property near Winchester but not quite in it? We work across SO23, SO22 and SO21 and outwards to Bishopstoke, Eastleigh and Romsey. Give us the full postcode when you get in touch, because access, parking and the route for a large unit all depend on the exact street. Those details shape the quote for any job around Winchester.

What the job includes

  • New vent fitted, sealed and weathered into the roof
  • Old vent removed with the stairwell kept protected below
  • Controls, detection and wiring handled by the smoke-control specialist
  • Free area at the stair head — We check the free area the vent must provide before choosing a replacement.
  • Controls and backup power — We confirm the controls, detection and backup power are being dealt with by a specialist.

How a fitting day runs

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 Winchester

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

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, SO23 or nearby, confirms travel.

Common questions in Winchester

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.

What if my roof opening is the wrong size for the smoke vent rooflight?

We find out before the fitting day, not on it. If the opening is slightly out, it can usually be adjusted by trimming or by packing out the upstand. If it is a long way off, the choice is between altering the opening and changing the unit. Bear in mind that rooflights are often sold by builder's opening size rather than external size, so check which one your measurement refers to.

Do you cover Winchester?

Yes. Fitters travel to addresses in Winchester and the surrounding districts, including SO23. 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.

Planning a smoke vent rooflight in Winchester? Tell us about the roof and we will come back with a clear price in writing.

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

Smoke vents (AOV) in Winchester

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

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