How we approach smoke vent rooflights (AOVs) in Grays
Smoke vent rooflights (AOVs) in Grays means automatic smoke ventilators at the head of stairwells and atria. We cover the RM17 district and the rest of Essex, with a survey before any price is fixed.
Flat, open landscape in much of the East means roofs take the wind, so upstand and seal details matter more than the brand of glass. Smoke vent rooflights (AOVs) suit communal stairwells, corridors and atria.
Neighbouring towns include South Ockendon (5 km) and Gravesend (5 km). We offer a survey date when we reply to your enquiry.
Specification options
- Break-glass and smoke-detector triggers
- Rain and wind sensors for daily vent use
- Glazed rooflight or louvred vent
- Control panel with battery backup
- Service and test plans
- Replacement of failed or obsolete units
- Also usable for day-to-day ventilation
Before you order: points to check
- Smoke ventilation is designed to the building's fire strategy — we install to that design
- 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 Grays
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. Fire classification of rooflight materials near boundaries is checked at specification.
Read the planning permission guide before you commit to a design.
What do smoke vent rooflights (AOVs) cost in Grays?
Guide prices for smoke vent rooflights (AOVs) in Grays are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| 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 |
How the job runs
- Tell us what you have. Send the RM17 postcode, a rough size and a couple of photos.
- 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.
- Fitting and handover. We install, clean down and leave product and warranty documents.
Smoke vent rooflights (AOVs) near Grays
Other services in Grays
Smoke vent rooflights (AOVs) in Grays: questions
How often should AOVs be tested?
Industry guidance recommends regular functional checks and at least annual servicing. Your fire risk assessment sets the regime.
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 smoke vents need a control panel?
Electric AOVs work with a control panel that links them to detectors, the fire alarm and override switches.
Do I need to be at home for the survey in Grays?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
How do I book a survey in Grays?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
