Business Details
31 Years
experience
Emergency
services
Trusted Gas Heating Services 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 Gas Safe registered engineers deliver installation, testing, and maintenance services for domestic and commercial gas heating systems, supported by accreditations from industry bodies including Gas Safe, Constructionline, and the Institute of Occupational Safety and Health.With a sister company CH Maintenance handling property maintenance contracts for housing associations, we combine technical expertise with a commitment to customer service, offering 24/7 emergency support and continuous staff retraining to maintain industry-leading standards. Our work spans boiler installations for private homeowners to large-scale contracts maintaining thousands of properties, always prioritising safety, reliability, and competitive pricing.
Services
Boiler Installation
Gas Maintenance
Property Maintenance
Drainage Solutions
Fire & Security Systems
Details
- Year established: 1995
Highlights and features
- We have over 30 years' combined management experience in gas engineering
- Our engineers are Gas Safe registered with continuous professional development
- We offer 24/7 emergency repair services across our service areas
- We hold long-term maintenance contracts with major housing associations
- Our sister company CH Maintenance provides comprehensive property maintenance solutions
Associations and certifications
- Gas Safe
- Constructionline
- FSB
- Benchmark
- IOSH
- Locksmiths Association
What people say
Excellent workmanship
Prompt emergency response
Professional and courteous engineers
Competitive pricing
Long-term reliability
Services
Boiler Installation
We supply, fit, and maintain boilers from all major manufacturers using premium quality components. Our Gas Safe registered engineers ensure safe, efficient installations for both domestic and commercial properties. With over 25 years' experience, we offer tailored heating solutions that meet individual client requirements while maintaining compliance with industry standards.
Gas Maintenance
Comprehensive gas appliance servicing and safety certification for residential and commercial clients. Our engineers perform CP12 gas safety checks, boiler servicing, and emergency repairs. Backed by Gas Safe accreditation, we maintain systems to ensure optimal performance and regulatory compliance across North West London and Hertfordshire.
Property Maintenance
CH Maintenance provides contract property maintenance for housing associations and landlords. Services include plumbing, carpentry, electrical work, and full property refurbishments. We manage 1,500+ homes under our Catalyst Housing contract, delivering reactive repairs and scheduled maintenance with minimal disruption to residents.
Drainage Solutions
Full drainage services including CCTV surveys, blockage removal, and pipe replacement. Our technicians handle domestic and commercial drainage issues using modern equipment. We offer emergency drain unblocking with rapid response times, as demonstrated by customer testimonials praising our efficient solutions for blocked drains and sewerage problems.
Fire & Security Systems
Installation and maintenance of fire alarms, extinguishers, and security systems for residential and commercial properties. Our certified engineers provide FIA/Fike system servicing, fire door inspections, and security shuttering solutions. We work with leading suppliers to deliver integrated safety systems that meet regulatory requirements and client specifications.
People
John O'Byrne
Managing Director
With 40 years' experience in gas engineering, including 14 years at British Gas, John founded Capital Heating in 1995. He leads our team of 30+ engineers, maintaining technical excellence and customer service standards across all operations.
Questions
Are your engineers qualified to work on gas systems?
All our engineers are Gas Safe registered with continuous professional development to maintain industry standards.
Do you offer emergency heating repairs?
Yes, we provide 24/7 emergency repair services across our service areas with rapid response times.
What areas do you cover?
We serve North West London, Hertfordshire, Buckinghamshire, Bedfordshire, Berkshire, and surrounding home counties.
Can you handle large-scale maintenance contracts?
Yes, we manage maintenance for over 1,500 properties through our CH Maintenance division.
Are you accredited by industry bodies?
We hold accreditations from Gas Safe, Constructionline, IOSH, and the Locksmiths Association.
Do you work with private homeowners?
Yes, we provide boiler installations, gas safety checks, and emergency repairs for domestic clients.
Reviews (3)
Loz Drums
Feb 15, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Very professional company, engineers always turn up when they say they will. Very competitive price wise. Used them for years
Services:Heating maintenance,Heating system installation
Very professional company, engineers always turn up when they say they will. Very competitive price wise. Used them for years
Services:Heating maintenance,Heating system installation
Outskirts Rider
Sep 06, 2020
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They Claimed I assaulted there contractors a cage fighter even though the appointments were audio recorded dont reply to emails or callback request done when you call
Jacmel Dent
Oct 01, 2017
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Excellenty and prompt service today from Capital Heating. Courteous engineer, Phil, who explained clearly the problem with my boiler and mended it efficiently. Delighted with this company.
