How we approach smoke vent rooflights (AOVs) in Penzance
Smoke vent rooflights (AOVs) in Penzance means automatic smoke ventilators at the head of stairwells and atria. We cover the TR18 district and the rest of Cornwall, with a survey before any price is fixed.
Barn and chapel conversions in the South West often need bespoke or shaped rooflights to suit the original structure. Think of smoke vent rooflights (AOVs) for communal stairwells, corridors and atria.
Penzance is around 38 km from Truro, and we survey and fit throughout that part of Cornwall, including the TR18 district.
Options we can specify in Penzance
- Service and test plans
- Break-glass and smoke-detector triggers
- Electric (24 V) or pneumatic actuation
- Glazed rooflight or louvred vent
- Rain and wind sensors for daily vent use
- Servicing and testing available
- Manual override at the fire service access level
Before you order: points to check
- 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
- The product should be certified to BS EN 12101-2 as a natural smoke and heat exhaust ventilator
Regulations for smoke vent rooflights (AOVs) in Penzance
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.
Guide prices for Penzance
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
- Tell us what you have. Send the TR18 postcode, a rough size and a couple of photos.
- Measure and check. A surveyor visits Penzance, 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.
Smoke vent rooflights (AOVs) near Penzance
Related work in Penzance
Questions about smoke vent rooflights (AOVs) in Penzance
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 often should AOVs be tested?
Industry guidance recommends regular functional checks and at least annual servicing. Your fire risk assessment sets the regime.
How do I book a survey in Penzance?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
Do I need to be at home for the survey in Penzance?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
