About Allserve
Big enough to cope, small enough to care
Gas central heating specialists in London and Hertfordshire since 1992.
Big enough to cope, small enough to care
Allserve Heating & Plumbing are gas central heating specialists in London and Hertfordshire. We specialise in gas installations, central heating systems, domestic plumbing and many other services. Although we have grown large enough to handle all aspects of contract work and renovations, we pride ourselves on our personal approach to every job and our excellent relationship with our customers. Much of our work comes from customer recommendation, which shows how hard we work to keep every customer happy.
Mission
To help our customers as quickly and efficiently as possible. To work to a high standard with the minimum of mess. To provide a friendly and comprehensive service.
Company overview
Allserve Heating & Plumbing (AHP) was founded in 1992 as a professional gas engineering service. Since then we have grown substantially and, with over 1,000 satisfied customers, we have expanded our services to keep up with the times.
We are known not only for our professionalism and competitive prices, but also for our tidiness and our efficiency record, which is too often overlooked. And with our 24hr Emergency Helpline, you can always get a problem dealt with quickly and efficiently.
Where it all started
Allserve started in 1992 with our very first van, H13 MOT. Here are some of the vans that have looked after our customers since.

1992: our very first van, H13 MOT 
H13 MOT from the front 
VW Transporter, LK51 BYJ 
VW Caddy, KB02 YVT 
Vauxhall Vivaro, X3 AHP 
Today: VW Transporter, X3 AHP
Our services include

Our services include, but are not limited to:
- Domestic plumbing services
- Gas Safety Certificates
- Central heating fault diagnosis and repair
- Combination boilers
- Bathroom installations
- Tracing and repairing gas leaks
- Boiler servicing
- Installation of gas boilers
- Refurbishments and renovations
- Contract work
- Underfloor heating
- Power flushing central heating systems
Accreditations

Gas Safe registered
Our engineers are on the Gas Safe Register, the official list of engineers legally allowed to work on gas.

APHC licensed member
We are a licensed member of the Association of Plumbing & Heating Contractors.

Worcester Bosch accredited installer
We are a Worcester Bosch Group accredited installer.

Vaillant Approved Service Agent
We are a Vaillant Approved Service Agent.
Viessmann approved installer
We are a Viessmann approved installer.
Honeywell Installer Network Recognised Installer
We are a recognised installer in the Honeywell Installer Network.
Our team
Silas Benaiah
Director
So choose Allserve today for any job, big or small. Read some of our customer testimonials to find out why we are the company of choice across London and Hertfordshire.
Email us at info@ahpltd.com or call us on 01923 254173 to arrange a quote.
GET IN TOUCH
Choose Allserve for any job, big or small.
Gas Safe registered engineers covering London and Hertfordshire, with a 24hr emergency line.
