How we approach smoke vent rooflights (AOVs) in Witney
Thinking about smoke vent rooflights (AOVs) in Witney? The short answer: automatic smoke ventilators at the head of stairwells and atria. The longer answer depends on your roof, which is why we survey before we price.
Across the South East, single-storey kitchen extensions on 1930s semis and post-war detached houses are where most flat rooflights and lanterns go. Typical uses for smoke vent rooflights (AOVs) include blocks of flats and commercial buildings with a smoke strategy.
Neighbouring towns include Oxford (16 km) and Abingdon (19 km). We offer a survey date when we reply to your enquiry.
Specification options
- Control panel with battery backup
- Service and test plans
- Electric (24 V) or pneumatic actuation
- Rain and wind sensors for daily vent use
- Break-glass and smoke-detector triggers
- Also usable for day-to-day ventilation
- Opens automatically on alarm signal
What to check first
- The product should be certified to BS EN 12101-2 as a natural smoke and heat exhaust ventilator
- Replacing a vent with a non-equivalent product can affect the fire strategy
Regulations for smoke vent rooflights (AOVs) in Witney
Smoke vents are life-safety equipment: in England the responsible person must keep them maintained under the Regulatory Reform (Fire Safety) Order 2005. We supply manufacturer-certified units and arrange installation, commissioning and servicing through specialist smoke-control engineers.
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.
Read the planning permission guide before you commit to a design.
What do smoke vent rooflights (AOVs) cost in Witney?
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 |
The process, step by step
- Send the details. Postcode, rough size and a photo of the roof and room.
- Measure and check. A surveyor visits Witney, measures and checks structure and access.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Nearby towns
More we do in Witney
Smoke vent rooflights (AOVs) in Witney: 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.
Do smoke vents need a control panel?
Electric AOVs work with a control panel that links them to detectors, the fire alarm and override switches.
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.
How do I book a survey in Witney?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
Do you fit smoke vent rooflights (AOVs) in Witney?
Yes. We survey and fit smoke vent rooflights (AOVs) in Witney and across Oxfordshire. Send your postcode and we will offer a survey date when we reply.
