How we approach smoke vent rooflights (AOVs) in Warrington
Thinking about smoke vent rooflights (AOVs) in Warrington? 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.
Rear kitchen extensions on North West semis often have small domes from decades ago that leak or have yellowed. Typical uses for smoke vent rooflights (AOVs) include blocks of flats and commercial buildings with a smoke strategy.
Warrington is the main town we list in Cheshire; we also cover nearby Newton-le-Willows and Golborne.
Specification options
- Control panel with battery backup
- Break-glass and smoke-detector triggers
- Glazed rooflight or louvred vent
- Electric (24 V) or pneumatic actuation
- Rain and wind sensors for daily vent use
- Also usable for day-to-day ventilation
- Opens automatically on alarm signal
Things we check at survey
- 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
- Replacing a vent with a non-equivalent product can affect the fire strategy
Rules and responsibilities in Warrington
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 Warrington?
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 Warrington address.
- Free site visit. For new installs we survey free, measure and confirm the roof detail.
- Agree the quote. You approve the specification and price before anything is ordered.
- Fitting and handover. We install, clean down and leave product and warranty documents.
Smoke vent rooflights (AOVs) near Warrington
More we do in Warrington
Questions about smoke vent rooflights (AOVs) in Warrington
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 Warrington?
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 Warrington?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
