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17 Years
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Emergency
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Your Trusted Plumbing and Heating Experts in Watford
FirmusHeat has been a trusted name in plumbing and heating services since 2009, serving Watford, North London, and surrounding areas. Our Gas Safe registered engineers specialise in boiler installations, central heating systems, powerflushing, and emergency repairs, combining technical expertise with a commitment to customer satisfaction. As Worcester Accredited Installers, we offer extended warranties on selected boiler brands, reflecting our confidence in the quality of our work. Our team of six qualified plumbers and apprentices prioritises transparency, reliability, and professionalism, ensuring every project meets the highest standards. With 14 years of industry experience and a focus on energy-efficient solutions, we provide tailored heating plans for domestic and commercial clients.

Our Checkatrade accreditation and 10 million public liability insurance underscore our dedication to safety and accountability. From landlord gas certificates to commercial heating systems, we deliver comprehensive services backed by free, no-obligation quotes and 24/7 emergency support. Customer testimonials consistently highlight our prompt response times, competitive pricing, and the expertise of our DBS-checked engineers. Whether installing underfloor heating or resolving burst pipes, we combine technical proficiency with a personable approach to meet diverse client needs.
Services
Boiler Installation Central Heating Powerflushing Landlord Certificates Emergency Repairs Bathroom Installation Commercial Plumbing Gas Safety Checks Underfloor Heating Plumbing Maintenance
Details
  • Year established: 2009
Highlights and features
  • 14 years of experience in domestic and commercial plumbing and heating
  • Gas Safe registered engineers with DBS checks for safety and reliability
  • Extended warranties up to 12 years on Worcester Bosch boilers
  • 24/7 emergency call-out service with 24-hour response guarantee
  • Free, no-obligation quotes for all installation and repair services
Associations and certifications
  • Gas Safe Register
  • Worcester Accredited Installers
  • Checkatrade Trusted Traders
What people say
Reliable service Professional team Quick response Excellent workmanship Trusted company
Services
Boiler Installation
We specialise in domestic and commercial boiler installations, offering Worcester Bosch, Vaillant, and Ideal models with warranties up to 12 years. Our Gas Safe engineers ensure efficient, compliant installations tailored to property requirements. Customers benefit from reduced energy bills and guaranteed workmanship.
Powerflushing
Our powerflushing service removes sludge and scale from central heating systems, improving efficiency and extending boiler lifespan. Using advanced equipment and chemical treatments, we restore optimal circulation, addressing cold radiator spots and reducing energy costs by up to 40%.
Landlord Certificates
We provide CP12 gas safety certificates for rental properties, conducting thorough inspections of boilers, cookers, and gas fires. Our Gas Safe engineers issue legally compliant documentation within 28 days of tenancy commencement, ensuring landlords meet legal obligations and tenant safety standards.
Emergency Repairs
Available 24 hours a day, our emergency repair service addresses boiler breakdowns, burst pipes, and heating failures. With 24-hour response guarantees, Gas Safe engineers carry essential parts to resolve 80% of issues during first visits, minimising property damage and inconvenience.
Central Heating
We design and install complete central heating systems, including radiators, smart thermostats, and underfloor heating. Our solutions optimise energy efficiency while accommodating property-specific requirements, with options for pressurised systems and unvented cylinders in residential and commercial premises.
People
Steve Thorpe
Director
With over 14 years in the plumbing industry, Steve leads FirmusHeat's team of Gas Safe engineers. He specialises in boiler installations and commercial heating systems, maintaining Worcester Accredited Installer status to deliver extended warranties. Steve prioritises customer transparency and technical excellence.
Questions
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency call-outs with a guaranteed 24-hour response time for boiler breakdowns, burst pipes, and heating failures.
Are your engineers Gas Safe registered?
All our heating engineers appear on the Gas Safe Register, with credentials verified through ID cards and Worcester Accredited Installer status.
What areas do you cover?
We serve Watford, Bushey, Harrow, Edgware, North London, and surrounding Hertfordshire and Buckinghamshire areas.
Can you help with landlord gas certificates?
Yes, we conduct CP12 gas safety checks for rental properties and provide documentation within legal deadlines.
Do you offer boiler cover plans?
We provide Bronze, Silver, and Gold boiler cover options starting at £11.99/month, including annual servicing and unlimited repairs.
Are your quotes free?
We offer free, no-obligation quotes for all installation and repair services with transparent pricing.
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