Expert Gas Boiler Service in London

  • Comprehensive boiler maintenance by certified engineers

  • Safety checks and efficiency optimisation included

  • Reliable service with transparent pricing

At Fanatic Plumbers, we provide expert gas boiler services across London and the M25 to keep your heating system running safely and efficiently. Regular servicing helps prevent breakdowns and extends your boiler’s lifespan. Our qualified engineers carry out thorough inspections and maintenance to ensure optimal performance. Trust us for reliable boiler care you can depend on.

Getting a local plumber shouldn’t be complicated — and with Fanatic Plumbers, it isn’t.

3 Fast Steps to Book Your Local Plumber

It’s that easy — fast, professional plumbing services across London and the M25 with no fuss.

Get in Touch

Call us on 0203 936 0429 or use our online booking form – we’re here 24/7 to help.

Tell Us the Issue

Give us a quick rundown of the problem – from leaks to boiler faults – and get a clear, fixed quote.

We Get It Sorted

Our expert plumber arrives promptly, solves the issue, and tidies up before they leave.

Professional Gas Boiler Service in London

Regular servicing of your gas boiler is essential to ensure it operates safely, efficiently, and reliably throughout the year. At Fanatic Plumbers, we specialise in comprehensive gas boiler servicing across London and the M25, offering expert maintenance that keeps your heating system in top condition.

Our certified engineers perform thorough inspections and servicing tailored to your boiler’s make and model. This includes checking all safety controls, cleaning key components, testing gas pressure, and ensuring efficient combustion. Regular servicing reduces the risk of breakdowns, improves energy efficiency, and extends the lifespan of your boiler.

Safety is our top priority. A poorly maintained boiler can pose serious risks such as gas leaks or carbon monoxide exposure. That’s why our experienced engineers follow strict safety protocols and carry out essential checks to guarantee your boiler operates safely. After servicing, we provide you with a detailed report and certification for your peace of mind.

We understand the importance of minimal disruption. Our team works efficiently and tidily, respecting your home or business environment and leaving the work area clean. We offer flexible appointment times to fit your busy schedule and provide transparent pricing with no hidden costs.

At Fanatic Plumbers, customer satisfaction is paramount. We’re proud to serve all London boroughs and the M25 area, earning a reputation for professionalism, reliability, and quality workmanship. Whether you need an annual boiler service or a pre-winter check-up, our skilled engineers are ready to help.

Don’t wait for your boiler to break down in the cold months. Contact Fanatic Plumbers today to book your gas boiler service and enjoy safe, efficient heating all year round.

4000+

Over 4,000 plumbing and heating projects completed

200+

Fully qualified, experienced technicians

24/7

Emergency plumbing coverage — no call-out fees

500 K+

People trusted across every major area of London

Frequently Asked Questions about Our Plumbing Services

How often should I have my gas boiler serviced?
It’s recommended to have your gas boiler serviced annually to ensure safety and optimal performance.
Will my boiler service include a safety check?
Yes, all our gas boiler services include thorough safety inspections to detect leaks, carbon monoxide risks, and ensure safe operation.
How long does a typical boiler service take?
Most boiler services take between 1 to 2 hours, depending on the boiler type and condition.

Why Choose Fanatic Plumbers for Your Gas Boiler Service?

At Fanatic Plumbers, we understand that a well-maintained boiler is key to a warm, comfortable, and safe home or workplace. Our professional gas boiler servicing across London and the M25 ensures your heating system operates at peak efficiency while meeting all safety standards.

Our team of Gas Safe registered engineers brings years of experience servicing all major boiler brands and models. We start every service with a detailed inspection to identify any wear or potential faults. This proactive approach helps prevent unexpected breakdowns and costly repairs down the line.

In addition to improving boiler efficiency, our servicing can reduce your energy bills by ensuring the system uses fuel effectively. We clean vital components, check for corrosion, and test all controls to optimise your boiler’s performance. This not only keeps your home warm but also contributes to lower carbon emissions, making it an environmentally responsible choice.

Customer trust is at the heart of what we do. We provide clear, upfront quotes and never carry out work without your approval. Our engineers are courteous, punctual, and committed to leaving your property clean and tidy.

Seasonal boiler servicing is especially important before winter when heating demands are high. Booking your service early with Fanatic Plumbers means you avoid the rush and ensure your boiler is ready to keep you warm all season.

Whether you’re a homeowner, landlord, or business operator, our comprehensive boiler service protects your investment and safeguards your safety. Don’t wait until your boiler fails—schedule a service with Fanatic Plumbers today.

Experience the difference of expert gas boiler servicing by London’s trusted plumbers. Contact us now to book your appointment and enjoy peace of mind all year round.

We let our work speak for itself — but our customers say it best.

Our customers trust Fanatic Plumbers for fast response, honest service, and plumbing work that’s done right the first time.

From emergency callouts to full installations, we’re proud to be the go-to plumbing team across London.

“Had an emergency with my boiler on a Sunday morning and these guys were at my door within 45 minutes. Polite, professional and knew exactly what they were doing. Five-star service.”

5 stars rating
James R., Clapham

“Reliable, honest and hardworking – it’s rare to find a plumbing company like this in London. They fixed our central heating with zero hassle and were very reasonably priced.”

5 stars rating
Linda G., Wimbledon

“I used Fanatic Plumbers for a full bathroom installation. They were organised, tidy, and the end result is absolutely stunning. Great attention to detail and very respectful of my home.”

5 stars rating
Priya K., Enfield

“Fanatic Plumbers were recommended to me by a neighbour and I’m so glad I called them. The plumber was prompt, wore shoe covers, and even gave me tips to avoid future issues. Top-class service.”

5 stars rating
Ahmed S., Hammersmith

“Brilliant service from start to finish. The plumber arrived within the hour, fixed my leaking pipe quickly, and explained everything clearly. No mess, no fuss — just a great job. Highly recommend Fanatic Plumbers!”

5 stars rating
Sarah M., Camden

“Our kitchen drain was completely blocked and causing a real headache. The engineer was friendly, efficient and got everything sorted in no time. Wouldn’t use anyone else now!”

5 stars rating
Tom D., Hackney

Looking for expert plumbing services in London?

We cover everything from emergency repairs to full installations — all delivered by qualified professionals you can rely on.

Find our full range of services listed below and see how Fanatic Plumbers can help.

About Us & Why Customers Love Us

At Fanatic Plumbers, we’re not just here to fix problems — we’re here to provide peace of mind. Proudly serving London and the M25 area, we specialise in reliable plumbing services that put customers first, every single time. Whether you need an emergency plumber at 2am or a full bathroom installation, we bring experience, speed, and transparency to every job.

With years of hands-on experience under our belts, we’ve built a reputation as one of the most trusted plumbing companies in London. Our team is made up of over 200 qualified engineers, all fully insured and Gas Safe registered, ready to tackle any issue — big or small. From leaking taps and broken boilers to blocked drains and pipe repairs, we’ve completed over 4,000 successful projects across homes and businesses.

But what truly sets us apart isn’t just our technical skill — it’s our commitment to exceptional customer care. We believe a good plumber should be friendly, tidy, respectful, and above all, dependable. That’s why we offer same-day response, 24/7 availability, and no hidden charges. You’ll get clear quotes upfront, honest advice, and real-time updates — no stress, no surprises.

Here’s why our customers love working with Fanatic Plumbers:

  • Fast and reliable: We aim to be at your door within 1 hour for emergencies.

  • Fair pricing: Transparent quotes and no call-out fees.

  • Friendly professionals: Our team respects your time, your space, and your home.

  • Fully guaranteed work: Every job is backed by our quality guarantee.

From the first call to the final check, we go the extra mile to make sure every customer feels looked after. We know how disruptive plumbing issues can be, which is why we act quickly, work efficiently, and always clean up afterwards.

So, whether you’re facing an urgent issue or planning your next renovation, choose Fanatic Plumbers — where quality meets care, and your satisfaction is our top priority.