Smoke vent rooflights (AOVs) in Westbury-on-Trym: what is involved?
We handle smoke vent rooflights (AOVs) across Bristol, including Westbury-on-Trym. In short: automatic smoke ventilators at the head of stairwells and atria. The survey checks structure, weathering and orientation, so the quote reflects your actual roof.
Barn and chapel conversions in the South West often need bespoke or shaped rooflights to suit the original structure. In Westbury-on-Trym, as anywhere, smoke vent rooflights (AOVs) are the usual choice for blocks of flats and commercial buildings with a smoke strategy.
We work across Bristol, including Westbury-on-Trym, and in neighbouring towns such as Redland and Clifton. Access, parking and how the glass reaches the roof are all checked at the survey.
What you can choose
- Glazed rooflight or louvred vent
- Service and test plans
- Electric (24 V) or pneumatic actuation
- Control panel with battery backup
- Rain and wind sensors for daily vent use
- Replacement of failed or obsolete units
- Manual override at the fire service access level
Things we check at survey
- Replacing a vent with a non-equivalent product can affect the fire strategy
- Whoever holds the building's fire-safety duties (the responsible person, the duty holder in Scotland or the appropriate person in Northern Ireland) must keep systems maintained and tested
Building control and safety duties in Westbury-on-Trym
Smoke vents are life-safety equipment: in England the responsible person must keep them maintained under the Regulatory Reform (Fire Safety) Order 2005. We install to the building's fire strategy and the manufacturer's certification.
For buildings other than dwellings, Approved Document L Volume 2 sets limiting U-values of 2.2 W/m²K for rooflights and 3.0 W/m²K for roof ventilators, including smoke vents. Fragile-roof safety and access are planned before work starts.
Our planning guide covers each nation in more detail.
Smoke vent rooflights (AOVs) prices in Westbury-on-Trym
The ranges below are typical for straightforward jobs; your fixed price follows a survey of your roof.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large glazed AOV with actuators | £4,795 – £7,795 | £3,995 – £6,495 |
| Standard glazed AOV Typical | £3,595 – £4,795 | £2,995 – £3,995 |
| Replacement vent onto existing upstand | £2,995 – £3,595 | £2,495 – £2,995 |
From enquiry to finished job
- Send the details. Postcode, rough size and a photo of the roof and room.
- Free site visit. For new installs we survey free, measure and confirm the roof detail.
- Agree the quote. You approve the specification and price before anything is ordered.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Neighbouring towns
Related work in Westbury-on-Trym
Common questions
Who is responsible for maintaining smoke vents?
The responsible person (or duty holder in Scotland, appropriate person in Northern Ireland) for the building must keep fire safety systems maintained. We can arrange servicing and keep records.
Can you replace an old smoke vent?
Yes, with an equivalent certified unit that matches the original design area and performance, so the fire strategy is not compromised.
Can a smoke vent be used for normal ventilation?
Many dual-purpose units also open for daily ventilation, closing automatically in rain.
Do you fit smoke vent rooflights (AOVs) in Westbury-on-Trym?
Yes. We survey and fit smoke vent rooflights (AOVs) in Westbury-on-Trym and across Bristol. Send your postcode and we will offer a survey date when we reply.
Can you work alongside my builder in Westbury-on-Trym?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
