Boiler Installation
Boiler Installation, Servicing and Repairs in London..
Our team of experts offer a comprehensive range of boiler and radiator installation options, ensuring you get the perfect heating solution for your domestic heating needs.
Additional Heating and Cooling Services
EMERGENCY:
AVAILABLE 24/7
Fast-response emergency heating repairs for boiler breakdowns, heating failures and loss of hot water. Available 24/7 for homes and businesses.
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 Installation, Servicing and Repairs
We understand that every home is unique, and so are its heating requirements. That’s why we provide a diverse range of boilers
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Non-Condensing Boilers:
A traditional choice that may suit specific heating setups. -
Condensing Boilers:
Highly efficient options that maximize energy savings. -
Open Vent Boilers:
Ideal for homes with multiple bathrooms. -
System Boilers:
Delivering consistent heating and hot water for larger properties. -
Combination Boilers:
Compact units that provide both heating and hot water on demand. -
Gas Boilers:
Powered by natural gas for reliable and cost-effective heating.
Vaillant Accredited Installers
Jennings proudly holds the prestigious title of Vaillant Accredited Installers. As one of the top installers in London, we exclusively install Vaillant boilers for several compelling reasons.
Vaillant is renowned for being the best product on the market, and our strong partnership with them ensures exceptional aftercare service. As a high-level installer, we can offer an extended warranty of up to 10 years, providing you with peace of mind and long-term reliability for your heating system.
10 Year Extended Warranty
As we are a high level installer we can support and provide you with an extended warranty of 10 years.
Personal Guarantee
We offer a 1 year personal guarantee with all our work, some materials may have an even longer warranty.
Radiators
Radiator Installation, Servicing and Maintenance
Our Ancona Radiator Range
These high-quality radiators offer a blend of contemporary design and efficient heating, making them an ideal addition to your home. With various sizes and finishes available, you can easily find the perfect Ancona radiator to complement your interior style while ensuring optimal warmth and comfort. Discover the fusion of form and function with Ancona stock radiators for your heating needs.
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 our customers

Transparent & competitive pricing
Transparent, competitive pricing with no hidden fees. Clear quotes, fair rates, and real value.

No call out fee, fixed & free quotations
We never charge a call-out fee. You only pay for our time on the job. Enjoy fixed, free quotations with no obligation.

Certified & knowledgeable engineers
Certified, experienced tradespeople, continuously assessed to ensure every job meets our highest quality standards.

Neat, tidy, honest & reliable team
We’re a neat, tidy, and trustworthy team that respects your property. From start to finish, we work cleanly and efficiently

Work guaranteed for 18 months
All our work is backed by an 18-month guarantee – one of the longest in London – giving you lasting peace of mind.

New boiler warranties up to 18 years
Get up to 18 years’ warranty on new boiler installations, covering parts and labour with trusted protection.
Need Boiler or Radiator Supplies
Visit our Pimlico shop on Lupus Street for high-quality heating, plumbing, and electrical supplies. From trusted brands to everyday essentials, we’ve got everything you need. Whether you’re a professional installer or a DIY enthusiast, our expert team is here to provide advice and excellent service.
See what our valued customers have to say
EXCELLENT Based on 323 reviews Posted on Google Uncovered - The Electric Rock ExperienceTrustindex verifies that the original source of the review is Google. Amazing as always!Posted on Google Bronnie BaynesTrustindex verifies that the original source of the review is Google. Amazing communication and good availability. plumber was extremely professional and arrived on time. Wish there was a bit more transparency on additional payments ie. parking and sealant.Posted on Google Sue DaviesTrustindex verifies that the original source of the review is Google. Jennings are incredibly efficient and helpful. They’ve completed my boiler service and organised the necessary plumbing and electrical certifications . Great after sales service.Posted on Google Diana GouldTrustindex verifies that the original source of the review is Google. Excellent job. Solved a long standing problem quickly and effectively. 100% recommend 👍Posted on Google Paul GrecianTrustindex verifies that the original source of the review is Google. What a fantastic company! From my first conversation with Sian to installation of my new Vaillant boiler they have been absolutely brilliant. Sian responded instantly via What's App when ever I had a question regarding pricing and installation. Sam the installer and his colleague with very friendly, professional, tidy and talked me through the full installation once completed. I have already given contact details to some of my work colleague's this morning. I will use them to service my boiler going forward in the future and for any other plumbing needs. Absolutely 1st Class Company!Posted on Google Brenda ZangTrustindex verifies that the original source of the review is Google. Excellent service from start to finish. Had a new boiler installed and a full power flush carried out. Everything was done professionally, efficiently, and to a very high standard. The team were friendly, tidy, and kept us informed throughout. Highly recommend!Posted on Google Sam HarveyTrustindex verifies that the original source of the review is Google. Easily one of the best experiences I’ve had with tradesmen. Sian was super friendly and helpful, and then Harry showed up early, fixed the issue promptly and was a legend! Highly recommended.Posted on Google Joe CarreiroTrustindex verifies that the original source of the review is Google. Service was professional and friendlyPosted on Google Olive Tree HouseTrustindex verifies that the original source of the review is Google. I’ve been dealing with ongoing pump issues for as long as I can remember, and after multiple visits from different plumbers, nothing ever fully got resolved. Harry from Jennings was the first to actually diagnose the problem and sort it in one visit. Professional, efficient, and clearly knows his craft inside out. I couldn’t recommend Jennings more highly.Posted on Google Stella OforiTrustindex verifies that the original source of the review is Google. Tristan was very polite, friendly and very professional. He is also very good at his job and very efficient. Very happy with the service