Business Details
31 Years
experience
Emergency
services
Your Trusted Plumbing & Heating Experts in Watford
Established in 1995, Capital Heating has grown from a single van operation to a team of over 30 professionals serving North West London and Hertfordshire. Our expertise spans domestic and commercial gas heating systems, plumbing, and maintenance, supported by accreditations from Gas Safe, Constructionline, and the Institute of Health & Safety. With decades of combined experience, we prioritise technical excellence, customer service, and continuous staff training to ensure compliance with industry standards.Our sister company, CH Maintenance, extends our capabilities to property maintenance and fire & security solutions for large-scale landlords. We serve over 1,500 homes under long-term contracts, offering 24/7 emergency support and tailored maintenance plans. Our reputation for reliability is reflected in client testimonials praising our professionalism, responsiveness, and commitment to resolving complex issues efficiently.
Services
Heating Systems
Commercial Maintenance
Home Solutions
Drainage Services
Fire & Security
Locksmith Services
Boiler Installation
Emergency Repairs
Property Maintenance
Gas Safety Certificates
Details
- Year established: 1995
Highlights and features
- We have over 30 qualified engineers with Gas Safe accreditation.
- Our team offers 24/7 emergency repair services.
- We hold long-term maintenance contracts with housing associations.
- Continuous staff retraining ensures compliance with industry standards.
- Accredited by the Institute of Health & Safety for safety excellence.
Associations and certifications
- Gas Safe
- Constructionline
- FSB
- Benchmark
- IOSH
- Locksmiths Association
What people say
Credit to your company
Impressed with the service
Completed the job safely
Delighted with the new boiler
Excellent workmanship
Services
Heating Systems
We supply, install, and maintain boilers from all major manufacturers, using high-quality components. Our Gas Safe engineers ensure safe, efficient heating solutions for domestic and commercial properties. With 25+ years of experience, we offer repairs, servicing, and emergency call-outs.
Commercial Maintenance
CH Maintenance provides contract-based gas and general property maintenance for housing associations and landlords. Services include CP12 certificates, plumbing, carpentry, and fire door repairs. We manage long-term maintenance schedules for over 1,500 homes.
Drainage Solutions
Our drainage team handles blockages, CCTV surveys, and pipe repairs using advanced equipment. We offer emergency drain clearance and preventative maintenance for residential and commercial clients. Services include excavation and replacement of damaged drainage systems.
Fire & Security
We install and service fire alarms, extinguishers, and security systems including CCTV and door entry solutions. Our engineers are certified by Exova and Fike, ensuring compliance with safety regulations for businesses and multi-occupancy properties.
Locksmith Services
Our Locksmiths Association-certified team provides emergency lockouts, fire door repairs, and security upgrades. Services include forced entry for evictions, Sitex shuttering, and securing properties after incidents like burglary or vandalism.
People
John O'Byrne
Managing Director
With 40 years in gas engineering, John founded Capital Heating in 1995 after 14 years at British Gas. He oversees operations and strategic growth, ensuring technical excellence and customer satisfaction across all services.
Questions
What areas do you serve?
We cover North West London, Hertfordshire, Buckinghamshire, Bedfordshire, Berkshire, and surrounding home counties. Contact us for services outside these areas.
Are your engineers certified?
All engineers are Gas Safe registered, with additional accreditations from IOSH, Exova, and the Locksmiths Association for specialised services.
Do you offer emergency services?
Yes, we provide 24/7 emergency repairs for heating, drainage, and security issues. Call 01923 253629 for urgent assistance.
What commercial contracts do you handle?
We maintain over 1,500 homes for housing associations and offer CP12 certificates, plumbing, and fire safety services under long-term contracts.
Can you install smart heating systems?
Our Home Solutions division offers modern technological solutions, including smart thermostats and CCTV systems for residential and commercial properties.
