Expert Boiler Services in Clapham
Jennings Plumbing & Heating delivers professional boiler services across Clapham, supporting homes and businesses with safe, efficient, and reliable heating solutions. Our experienced engineers work with a wide range of boiler systems, including gas and electric models, providing accurate diagnostics, servicing, and repairs tailored to your property. Every job is completed with a focus on performance, safety, and long-term reliability.
If you’re considering a boiler replacement or looking to improve the efficiency of an existing system, our team offers practical advice and quality installations designed to meet modern heating standards. We combine competitive pricing with skilled workmanship to ensure consistent results and year-round comfort.
Boiler 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.
BOILER SYSTEM INSTALLATION
We provide professional boiler installation and replacement services tailored to your property and heating requirements.
Our engineers assess your existing system, recommend the most efficient boiler options, and carry out compliant installations designed to improve performance, reliability, and energy efficiency.
BOILER REPAIRS & FAULT FINDING
Our boiler repair and fault-finding services quickly identify and resolve heating breakdowns and performance issues. From loss of heat or hot water to pressure problems and circulation faults, we diagnose issues accurately and carry out effective repairs to restore safe operation.
MAINTENANCE & UPGRADES
Why Homeowners and Businesses in Clapham Choose Us
A dependable boiler plays a vital role in keeping your property warm and functional. At Jennings Plumbing & Heating, we provide a full range of boiler services, from new installations and system upgrades to breakdown repairs and preventative maintenance.
Our engineers take a proactive approach, identifying potential issues early and recommending solutions that improve efficiency and reduce the risk of future breakdowns. Whether planned work or urgent assistance is required, we deliver a reliable and professional service every time.
Boiler Repairs and Fault Diagnosis in Clapham
Boiler faults can escalate quickly, leaving properties without heating or hot water when it’s needed most. Jennings Plumbing & Heating provides responsive boiler repair services in Clapham, working to restore your system safely and efficiently.
Our engineers are experienced in resolving a wide range of boiler issues, including pressure faults, leaks, circulation problems, and component failures. By diagnosing the root cause of the problem, we carry out effective repairs that restore performance and help extend the lifespan of your boiler.
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.
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
Speak to Our Clapham Boiler Specialists
When you choose Jennings Plumbing & Heating, you’re choosing a team committed to maintaining high standards of workmanship and customer care. All boiler services are backed by a one-year guarantee, giving you added confidence and peace of mind.
Contact our team today to discuss your boiler requirements in Clapham or to book an appointment with one of our experienced engineers.
Request a callback
One of our engineers will give you a callback at the earliest opportunity