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Bishops Stortford · CM23 · Hertfordshire

Smoke vent rooflight installation in Bishops Stortford

Glass is heavy, and bigger units get heavy fast. Fitting a smoke vent rooflight in Bishops Stortford 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 Hertfordshire.

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

Bishops Stortford 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.

Covering CM23 and neighbouring districts

Jobs across CM23, CM21 and SG10 are part of our normal cover for Bishops Stortford. We are not an office on the high street. Our fitting teams come out to the property from wherever they are working that week. Neighbouring places such as Harlow and Ware are covered on the same terms, so a house on the edge of town is no harder to book than one in the centre.

What we do on the day

  • New vent fitted, sealed and weathered into the roof
  • Commissioning and sign-off carried out by the specialist before handover
  • Controls, detection and wiring handled by the smoke-control specialist
  • 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.

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.

Do you need permission in Bishops Stortford?

In England, smoke vents for common stairs must be certified to BS EN 12101-2, provide the free area the fire strategy requires (Approved Document B calls for at least 1 m² at the top of a common stair), and have backup power. Smoke vents have their own energy limit, commonly 3.5 W/m²K. Controls and commissioning are handled by a smoke-control specialist, and building control is involved where the system changes.

Details that speed up your 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 CM23 and we will come back with a quote or a survey date.

Common questions in Bishops Stortford

Who is responsible for the smoke-control system?

The building's responsible person, duty holder or managing agent, depending on the nation, is responsible for keeping fire safety systems working. Our part is the rooflight and roof work; the controls, detection and commissioning are handled by a smoke-control specialist, and the quote says who does what.

Do you need scaffolding to fit a rooflight?

Not always. Single-storey roofs can often be reached safely with ladders, a tower or edge protection. Higher roofs, steep pitches and large units usually need scaffold or a mobile platform, and heavy glass may need a crane. We assess access from your photos or at the survey, and any scaffold or lifting cost is shown as its own line on the written quote.

What is included in the price?

The written quote lists it line by line. Typically that covers fitting labour, fixings, sealants, membrane or flashing materials, any upstand work, internal finishing if agreed, and taking away the waste. For supply and fit, the unit itself is included too. Scaffold, lifting gear and any third-party fees, where needed, are shown separately so you can see what each part of the job costs.

Tell us your postcode, CM23 or close by, and what you want fitted. We will reply with the next steps and a quote.

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

Smoke vents (AOV) in Bishops Stortford

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

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