BS EN 12101-2 Certified

Unbeatable Prices on Certified AOV Systems

BS EN 12101-2 certified smoke ventilation delivered across the UK. Trade pricing available.

Certified Products BS EN 12101-2 compliant
Fast Delivery Next day UK dispatch
Expert Support Free technical advice
Secure Payment All major cards accepted

AOV Systems & Components

Explore our range of certified automatic opening vent systems. From individual components to complete stairwell ventilation packages — we supply everything you need for Building Regulations compliance.

AOV Chain Actuator Window
BS EN 12101-2

AOV Chain Actuator Window

Top-hung casement windows with electric chain actuators for natural smoke ventilation.

BS EN 12101-2 Certified 24V DC Motor
AOV Roof Vent
BS EN 12101-2

AOV Roof Vent

Flat and pitched roof ventilation systems for effective smoke exhaust in commercial buildings.

BS EN 12101-2 Certified Flat & Pitched Options
AOV Louvre Vent
BS EN 12101-2

AOV Louvre Vent

Slim-profile automatic louvre systems for facades and stairwells.

BS EN 12101-2 Certified 24V Actuator
AOV Smoke Damper
BS EN 12101-2

AOV Smoke Damper

Fire-rated smoke control dampers for ductwork and corridor pressurisation systems.

BS EN 12101-8 Certified Fire Rated 1–4 hrs
AOV Stairwell Kit
BS EN 12101-2

AOV Stairwell Kit

Complete stairwell smoke ventilation packages with control panel and battery backup.

Complete Package Battery Backup 72hr
AOV Control Panel
BS EN 12101-2

AOV Control Panel

Fire alarm-integrated control panels for single and multi-zone AOV systems.

1–10 Zones 24V DC Output

Trusted AOV Specialists

AOV Windows, a division of Ravenholt Group Limited, is a leading distributor of automatic opening vent systems across the United Kingdom. We specialise in providing certified smoke ventilation solutions for commercial, residential, and industrial applications.

Our product range includes chain actuator windows, roof vents, louvre systems, smoke dampers, and complete stairwell ventilation packages. Every product we supply is tested and certified to the relevant British and European standards, ensuring full compliance with Building Regulations Approved Document B.

Based in Greenford, West London, we offer nationwide delivery with many products available for next-day dispatch. Our technical team is on hand to provide free advice on system design, product selection, and Building Regulations compliance.

500+ Projects Supplied
100% Certified Products
UK-Wide Next Day Delivery
Trusted AOV Specialists
Ravenholt Group Limited
Ravenholt Group Limited Registered in England & Wales

The AOV Windows Advantage

Fully Certified

All our AOV products are independently tested and certified to BS EN 12101-2 and other relevant standards. Full compliance with Approved Document B guaranteed.

Rapid Delivery

Most products are held in stock at our Greenford warehouse for next-day UK delivery. Larger orders and bespoke items typically ship within 5–7 working days.

Technical Expertise

Our experienced team provides free technical support, from system design and product selection through to Building Control submissions and installation guidance.

Competitive Pricing

We offer trade and volume pricing across our full product range. Request a quote for multi-unit orders and project-specific discounts. We won't be beaten on price.

Need Help Choosing the Right AOV System?

Our technical team will help you select the correct products for your project. Free advice on system design and Building Regulations compliance.

Get in Touch

Address

Unit 10, Rockware Business Centre
Greenford, UB6 0AA
United Kingdom

Business Hours

Monday – Friday: 8:00 AM – 5:00 PM
Saturday – Sunday: Closed

Send Us a Message

info@ravenholt.co.uk