Boiler Repair in London
Need a boiler repair in London? Jennings Plumbing and Heating fix boiler breakdowns for homes and businesses across London, with Gas Safe registered engineers available 24 hours a day, 7 days a week. No heating, no hot water, a boiler that keeps losing pressure or a fault code on the display: we find the cause and put it right. We repair combi boilers as well as system and regular boilers, and as Vaillant Accredited Installers we know Vaillant boilers inside out. There’s no call-out fee, you get a clear price before any work starts, and our workmanship is guaranteed for up to 18 months.
If your boiler is old or keeps breaking down, a replacement may make more sense than another repair. Find out more about new boiler installation in London, with manufacturer-backed warranties of up to 18 years depending on the boiler you choose.
Other Heating Services We Provide
EMERGENCY:
AVAILABLE 24/7
Emergency boiler repairs for breakdowns, heating failures and no hot water. Available 24/7 for homes and businesses across London.
HEATING SYSTEM INSTALLATION
- Boiler installation and replacement
- Central heating system upgrades
- Underfloor heating installation
- Thermostats and smart heating controls
HEATING REPAIRS & FAULT FINDING
- Boiler and heating breakdown repairs
- Radiator and pipework issues
- Heating pressure and circulation faults
- System diagnostics and troubleshooting
MAINTENANCE & UPGRADES
- Central heating servicing and maintenance
- Radiator installation and balancing
- Power flushing to improve efficiency
- Heating performance optimisation
Boilers
Boiler Repair Specialists in London
Boiler stopped working, making strange noises or showing a fault code? Our boiler repair specialists in London can help. A boiler breakdown usually means no heating or hot water, so we aim to get to you quickly and get your heating system back up and running. Our Gas Safe registered engineers find the fault, explain it in plain English and give you a fixed price before any work starts.
Common problems we fix include low boiler pressure, frozen condensate pipes, faulty pumps, fans and diverter valves, ignition faults and leaks. If an older boiler isn’t worth repairing, we’ll tell you honestly and talk you through the options. Call us any time, day or night.
Up to 18-Year Boiler Warranty
Selected new boilers come with manufacturer warranties of up to 18 years, including parts and labour, subject to the manufacturer's terms and servicing requirements.
Personal Guarantee
Our own workmanship is guaranteed for up to 18 months. If a problem comes from work we've carried out, we'll put it right in line with our warranty terms.
Vaillant Accredited Installers
Jennings are Vaillant Accredited Installers, and Vaillant is one of our main boiler brands. We also install and support a range of other trusted manufacturers, so we can recommend the right boiler for your home and budget rather than a one-size-fits-all option.
Selected boilers come with manufacturer warranties of up to 18 years, including parts and labour, subject to the manufacturer’s terms and servicing requirements. An annual boiler service helps keep that warranty valid.
Areas we cover
From busy city hubs to peaceful suburban neighborhoods, we’ve got London covered. Our expert property maintenance services ensure your home or business stays in top condition, no matter where you are in Greater London.
The Jennings Guarantee
Our 6-point promise to every customer
Clear, competitive pricing
Clear quotes, fair and competitive prices, and no hidden fees. You know what you'll pay.
No call-out fee, free fixed-price quotes
We never charge a call-out fee, so you only pay for our time on the job. Every quote is free, fixed-price and with no obligation.
Qualified, experienced engineers
Qualified, experienced tradespeople, regularly assessed to make sure every job meets our high standards.
Tidy, honest and reliable
We treat your property with respect, keep the work area clean and tidy, and do what we say we will, from start to finish.
Work guaranteed for up to 18 months
All our work is backed by a guarantee of up to 18 months, so you're covered long after the job is finished.
New boiler warranties up to 18 years
Up to 18 years' manufacturer-backed warranty on new boilers, depending on the model, covering parts and labour.
See what our valued customers have to say
Speak To Our Team
A boiler breakdown is stressful, so we keep things simple. We find the fault, explain what needs doing and fix it properly without cutting corners. We use good-quality parts and materials, so the repair is done right first time and lasts.
If you have a question at any point, before, during or after the job, just ask. Our engineers are always happy to explain what they’re doing, why it’s needed and how to keep your boiler running well.