Business Details
31 Years
experience
Emergency
services
Expert Heating Contractors 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 Managing Director, John OByrne, brings 40 years of gas engineering expertise, having previously worked with British Gas for 14 years. We specialise in domestic and commercial gas heating solutions, with Gas Safe registered engineers delivering installations, maintenance, and emergency repairs. Our sister company CH Maintenance provides property maintenance services for housing associations, managing over 1,500 homes.Accredited by Gas Safe, Constructionline, and the Institute of Health & Safety, we maintain rigorous safety standards and continuous staff training. Our service area covers London postal districts NW2-NW10, W9, W12, HA0-HA9, plus Hertfordshire, Buckinghamshire, Bedfordshire, and Berkshire. With a 24/7 emergency service and a 90% customer satisfaction rating from Catalyst Housing, we combine technical excellence with exceptional customer service.
Services
Heating Systems
Boiler Installation
Emergency Repairs
Drain Clearance
Fire Door Maintenance
Details
- Year established: 1995
Highlights and features
- 25+ years of experience in gas heating engineering
- Gas Safe registered engineers with CRN 123864
- 24/7 emergency repair service available
- Accredited by Institute of Health & Safety
- 90% customer satisfaction rating from housing clients
Associations and certifications
- Gas Safe
- Constructionline
- FSB
- Benchmark
- IOSH
- Locksmiths Association
What people say
Excellent service
Professional and respectful
Impressed with the work
Cheerful and accommodating
Minimum inconvenience
Services
Boiler Installation
We supply and install all major boiler brands with Gas Safe registered engineers ensuring safe, efficient heating solutions. Our installations include system upgrades, replacements, and new builds. Customers benefit from minimal disruption and long-term energy savings through modern, high-efficiency systems.
Emergency Repairs
24/7 emergency gas and heating repairs with rapid response times. Our engineers resolve urgent issues like boiler failures and blocked drains. Service guarantees include same-day appointments and transparent pricing for urgent domestic and commercial needs.
Fire Door Maintenance
Comprehensive fire door inspections, repairs, and certification for commercial properties and housing associations. Our Exova-certified engineers ensure compliance with safety regulations. Services include door surveys, hardware replacements, and maintenance schedules to meet legal requirements.
Drain Clearance
Specialist drain unblocking using high-pressure equipment and CCTV surveys. We handle domestic and commercial drainage issues including collapsed pipes and sewer blockages. Emergency call-outs include same-day service with minimal property disruption.
Property Maintenance
Planned and reactive maintenance for housing associations covering plumbing, carpentry, and electrical works. Our 10-year partnership with Catalyst Housing manages 1,500+ properties. Services include scheduled upgrades, safety checks, and emergency repairs under fixed-term contracts.
People
John OByrne
Managing Director
With 40 years' experience in gas engineering, John founded Capital Heating in 1995 after 14 years at British Gas. He oversees operations and strategic growth while maintaining industry accreditation standards.
Questions
Are your engineers Gas Safe registered?
Yes, all our gas engineers hold current Gas Safe registration (number 123864) for safe and legal installations.
Do you offer emergency heating repairs?
We provide 24/7 emergency call-outs with rapid response times for urgent boiler and heating failures.
What areas do you cover?
We serve North West London (NW2-NW10, W9, W12, HA0-HA9), Hertfordshire, Buckinghamshire, Bedfordshire, and Berkshire.
Can you service commercial properties?
Yes, we maintain commercial buildings and housing associations with contracts including Catalyst Housing's 1,500-home portfolio.
Do you provide fire door inspections?
Our Exova-certified engineers offer fire door surveys, repairs, and compliance certification for commercial clients.
How quickly can you clear blocked drains?
Emergency drain clearance typically completed within 30 minutes using high-pressure equipment and CCTV guidance.
Reviews (5)
R. Gill
Dec 04, 2021
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Critical:Professionalism,Punctuality,Responsiveness
Poor response, lack of care on a call, avoid at all costs!
Poor response, lack of care on a call, avoid at all costs!
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
Billy Hill
Sep 23, 2018
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Utterly fantastic company. Brilliant workmanship - and always prepared to go the extra mile in doing a first class job.
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.
