Smoke vent rooflights (AOVs) for Thamesmead: the essentials
We handle smoke vent rooflights (AOVs) across Greater London, including Thamesmead. 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.
London homes often run deep from front to back, so the middle of the ground floor is the darkest space — exactly where an overhead rooflight earns its keep. Typical uses for smoke vent rooflights (AOVs) include blocks of flats and commercial buildings with a smoke strategy.
From Thamesmead to Barking, Welling and Bexleyheath, the same survey-first process applies: measure, specify, fix the price, then fit.
Options we can specify in Thamesmead
- Rain and wind sensors for daily vent use
- Control panel with battery backup
- Break-glass and smoke-detector triggers
- Service and test plans
- Electric (24 V) or pneumatic actuation
- Also usable for day-to-day ventilation
- Servicing and testing available
Things we check at survey
- The product should be certified to BS EN 12101-2 as a natural smoke and heat exhaust ventilator
- Smoke ventilation is designed to the building's fire strategy — we install to that design
Regulations for smoke vent rooflights (AOVs) in Thamesmead
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 Thamesmead?
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 |
What happens next
- 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.
- 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.
Smoke vent rooflights (AOVs) near Thamesmead
More we do in Thamesmead
Questions about smoke vent rooflights (AOVs) in Thamesmead
Can a smoke vent be used for normal ventilation?
Many dual-purpose units also open for daily ventilation, closing automatically in rain.
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.
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.
How do I book a survey in Thamesmead?
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 Thamesmead?
Yes. We survey and fit smoke vent rooflights (AOVs) in Thamesmead and across Greater London. Send your postcode and we will offer a survey date when we reply.
