Business Details
31 Years
experience
Emergency
services
Trusted Plumbing & 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 Managing Director, with 40 years of industry experience, leads a team committed to technical excellence and customer service. We hold accreditations from Gas Safe, Constructionline, and the Institute of Health & Safety, ensuring compliance with national safety standards. Our engineers undergo continuous retraining to stay updated with technological advancements. With a 10-year partnership agreement with Catalyst Housing, we maintain over 1,500 properties, demonstrating our capability in large-scale projects.Our sister company, CH Maintenance, extends our expertise to property maintenance and security solutions. We operate from strategically located offices and warehouses to efficiently serve London postal districts and surrounding counties. Customer testimonials highlight our punctuality, professionalism, and problem-solving approach. Our service portfolio includes emergency repairs, boiler installations, and contract maintenance, supported by 24/7 availability. This combination of experience, accreditation, and client-focused service has established us as a trusted name in gas heating and plumbing solutions.
Services
Boiler Installation
Gas Safety Certificates
Emergency Repairs
Property Maintenance
Drain Clearance
Fire Door Maintenance
Locksmith Services
CCTV Surveys
Underfloor Heating
Security Systems
Details
- Year established: 1995
Highlights and features
- 40 years of combined management experience in gas engineering
- Gas Safe registered with national safety compliance certification
- 24/7 emergency service availability for urgent requirements
- Accredited by industry-leading safety and standards organisations
- Proven track record with 10-year partnership agreements
Associations and certifications
- Gas Safe
- Constructionline
- FSB
- IOSH
- Locksmiths Association
What people say
Credit to your company
Comfort and dignity
Same day service
Professional and respectful
Highest quality rating
Services
Boiler Installation
We supply, install, and maintain all major boiler brands using premium components. Our Gas Safe engineers ensure safe, efficient heating solutions for residential and commercial properties. With over 40 years' experience, we guarantee professional installations that meet current industry standards while minimising disruption to property occupants.
Emergency Repairs
Our 24/7 emergency service addresses urgent heating and plumbing issues. Rapid response teams handle gas leaks, boiler failures, and drainage problems with same-day solutions. Customer testimonials highlight our punctuality, clear communication, and cost-effective repairs for both domestic and commercial clients.
Gas Safety Certificates
We provide legally required gas safety certifications for landlords and businesses. Our registered engineers conduct thorough inspections of gas appliances and installations. This service includes detailed reporting and compliance documentation for residential properties and large housing portfolios.
Property Maintenance
Through sister company CH Maintenance, we offer comprehensive property upkeep solutions. Services include plumbing, electrical work, carpentry, and security upgrades under contract agreements. Our 10-year partnership with Catalyst Housing demonstrates our capability in managing large-scale maintenance programmes across multiple locations.
Drain Clearance
We resolve drainage issues using modern equipment and techniques. Our specialists handle blockages, collapses, and routine maintenance with minimal disruption. The service includes CCTV surveys for accurate diagnosis and long-term solutions, supported by positive customer feedback regarding efficiency and cost-effectiveness.
People
John O'Byrne
Managing Director
With 40 years' experience in gas engineering, John founded Capital Heating in 1995 after 14 years at British Gas. He leads strategic direction while maintaining technical oversight, ensuring the company's growth aligns with its founding principles of quality and customer service.
Questions
Are your engineers Gas Safe registered?
Yes, we hold Gas Safe registration number 123864, with all engineers undergoing continuous training to maintain compliance with national safety standards.
Do you offer emergency services outside normal hours?
We provide 24/7 emergency response for urgent heating, gas, and plumbing issues with rapid call-out times across our service areas.
What commercial contracts do you handle?
Through CH Maintenance, we manage long-term property maintenance agreements including our 10-year partnership with Catalyst Housing covering 1,500 homes.
Can you service both residential and business properties?
We serve domestic clients and commercial properties including fire alarm systems, security solutions, and drainage services for business premises.
What areas do you cover?
Our primary service areas include North West London, Hertfordshire, Buckinghamshire, Bedfordshire, and Berkshire with flexible coverage for specific projects.
How quickly can you respond to urgent repairs?
Emergency call-outs typically receive same-day attention, with engineers contacting clients 30 minutes prior to arrival as standard practice.