Automatic Opening Vents

Covering Beds, Bucks, Herts, Cambs and Northants.

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Automatic Opening Vents

We have successfully installed hundreds of different Automatic Opening Vent (AOV) systems to serve blocks of flats.

From one stairwell, to several requiring different zones, and interfacing to the fire alarm system, we can install to your specification, or offer a design, supply and install service.

We also offer an after-sales maintenance service, which we currently provide to housing associations and property management companies.

We hold appropriate CSCS cards and keep our technical and health & safety knowledge up to date by regularly attending courses held by suppliers and manufacturers.

All systems once installed are tested and demonstrated, and a tested certificate is presented upon completion of all works.

If you require an experienced company that understands the importance of working safely and tidily whilst getting the project completed on time, please do not hesitate to get in touch.

If you feel that we can be of service to you, you simply have any questions, or to arrange a free site survey, please do not hesitate to get in touch.

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30 Years' Experience

5* Rated Service

Fully Accredited Staff

Local Family Business

Client Testimonials

We have used Necessity Services many times on large and small TV and Satellite installations. We have always found Mark and his team very easy to work with due to their professionalism and very proactive attitude to getting works completed to a high standard and with an approach of nothing being too much trouble.
John Bonarius April 2020
John Bonarius April 2020Wadys Electrical & Mechanical Building Services
I first came across Mark when I was employed by an Electrical Contractor in Bedford. That was 7 years ago now. I was so impressed with Mark and his company that when I moved to a Building Services Contractor in Cambridgeshire, I continued to subcontract projects to him. During this period, Mark set up Necessity Services and his business appears to have gone from strength to strength in that time. Necessity Services provide an outstanding level of service and have always completed projects on time, with zero fuss and to a very high standard, unlike other contractors I've contracted in the past. I can highly recommend Necessity Services, I'm sure you won't be disappointed.
Kris Peck April 2020
Kris Peck April 2020Gowing & Hunt Ltd
I have known Mark for nearly 20 years. He has always helped us with various viewing /TV problems over the years. We are on our 3rd address and he has attended to our viewing requirements at all of them. Nothing is too much trouble and he gets to us as soon as he can. I have no hesitation in recommending him for your satellite/TV installations/repairs/modification
Carol May 2020
Carol May 2020Residential Customer
Mark and his assistant fitted the CCTV system at Clapham Village Hall and did a very good job. We were very satisfied with his work and his advice. We have since had the system upgraded by him and once again his advice on which system would suit us was good and his work excellent. Necessity Services are our first port of call for this type of work.
Mick Coy May 2020
Mick Coy May 2020Chairman, Clapham Village Hall
Our company has used Necessity Services Ltd for many years, for CCTV installation and also for personal work at home for TV aerial installation. Mark and the team are extremely pleasant to work with are very professional to deal with. No hesitation in recommending their services.
Nichola Ansell May 2020
Nichola Ansell May 2020Whites ES Ltd
We have employed Necessity Services several time over the years for TV, AV and CCTV installations. They have always given sound advise, excellent service and a job well done. Would not hesitate to recommend them and use them again in the future.
Neil Bloomfield May 2020
Neil Bloomfield May 2020Residential Customer
I have used Necessity Services on a few projects now. Always professional, on time and give great advice. Nothing is too much trouble.
Mr J May 2020
Mr J May 2020Residential Customer
Mark was friendly and professional from the start. Very prompt replies and service. Can’t complain - fit me in to have my Aerial and BT Tv box connected very quickly and impressed with the service I received. Have recommended to others on estate and friends and family. Thank you once again Mark.
Bethany Kingham April 2020
Bethany Kingham April 2020Residential Customer
I have known Mark for a number of years, I would highly recommend Necessity Services Limited. They are very professional, reliable, competitive on price and accommodating on site.
Stephen Newton April 2020
Stephen Newton April 2020Residential Customer
We have used Mark for more than 10 years now - which speaks for itself! Mark is very conscientious, reliable, hard working and cheerful! We would highly recommend him!
Clare Woodward April 2020
Clare Woodward April 2020Residential Customer
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