How we approach smoke vent rooflights (AOVs) in Gravesend
Smoke vent rooflights (AOVs) in Gravesend means automatic smoke ventilators at the head of stairwells and atria. We cover the DA12 district and the rest of Kent, with a survey before any price is fixed.
Period cottages and conservation-area streets are common in the South East, so slim conservation rooflights are often the right choice. Typical uses for smoke vent rooflights (AOVs) include communal stairwells, corridors and atria.
From Gravesend to Grays, Strood and South Ockendon, the same survey-first process applies: measure, specify, fix the price, then fit.
Choices for your Gravesend project
- Rain and wind sensors for daily vent use
- Break-glass and smoke-detector triggers
- Electric (24 V) or pneumatic actuation
- Glazed rooflight or louvred vent
- Control panel with battery backup
- Servicing and testing available
- Manual override at the fire service access level
What to check first
- Smoke ventilation is designed to the building's fire strategy — we install to that design
- Replacing a vent with a non-equivalent product can affect the fire strategy
Regulations for smoke vent rooflights (AOVs) in Gravesend
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.
Our planning guide covers each nation in more detail.
Smoke vent rooflights (AOVs) prices in Gravesend
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
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Gravesend address.
- Measure and check. A surveyor visits Gravesend, measures and checks structure and access.
- 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.
Nearby towns
Other services in Gravesend
Common questions
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.
Do you design the smoke strategy?
No — the strategy comes from the building's fire engineer or designer. We supply, install, commission and service to it.
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 Gravesend?
Yes. We survey and fit smoke vent rooflights (AOVs) in Gravesend and across Kent. Send your postcode and we will offer a survey date when we reply.
How do I book a survey in Gravesend?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
