Removes sludge and debris from your central heating system
Improves energy efficiency and heat distribution
Helps prevent costly repairs and breakdowns
Is your heating system underperforming or making strange noises? Our expert radiator powerflushing service in London restores your system’s efficiency by removing built-up sludge and blockages. Powerflushing not only improves heat circulation but also helps lower your energy bills. Trust Fanatic Plumbers for fast, reliable service across London and the M25.
Getting a local plumber shouldn’t be complicated — and with Fanatic Plumbers, it isn’t.
3 Fast Steps to Book Your Local PlumberIt’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.
If your central heating system is underperforming, it might be time for a radiator powerflush. At Fanatic Plumbers, we specialise in professional radiator powerflushing services across London, helping homeowners and businesses restore warmth, improve efficiency, and protect their heating systems.
Over time, central heating systems naturally build up sludge, rust, and other debris inside the radiators and pipework. This buildup restricts water flow, causing radiators to heat unevenly, make noises, or take longer to warm up. It also places unnecessary strain on your boiler — increasing the risk of breakdowns and shortening its lifespan.
Our team uses advanced powerflushing equipment to deep-clean your entire system. High-pressure water combined with safe, specialist chemicals is pumped through the radiators and pipes, clearing away all internal blockages. The result? Better circulation, improved energy efficiency, and a warmer home.
The benefits of radiator powerflushing in London include:
Quicker heating response
Even heat distribution across all radiators
Reduced energy bills
Extended lifespan of your boiler and heating system
Whether you live in a small flat or manage a large property, our experienced engineers are ready to help. We operate 7 days a week across London and the M25, with flexible bookings and no hidden fees. You’ll receive a full system check, honest advice, and a transparent quote before any work begins.
At Fanatic Plumbers, we’re committed to delivering long-term solutions, not temporary fixes. That’s why our powerflushing service is trusted by hundreds of customers across the capital. We only use trusted brands, approved equipment, and fully trained engineers to ensure your system runs like new again.
Get in touch today to book your radiator powerflush in London and feel the difference in your heating performance.
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
At Fanatic Plumbers, we go beyond just cleaning your heating system — we deliver long-lasting results. With years of experience and hundreds of systems flushed across London, our team knows how to restore performance and prevent future issues with precision and care.
Many homeowners and landlords delay powerflushing until problems become severe — like total radiator failure or constant boiler faults. But scheduling a powerflush at the right time not only prevents expensive repairs down the line, it also helps reduce your energy consumption. A clean system requires less fuel to heat your home, which means lower energy bills and improved environmental efficiency.
Our process starts with a full assessment of your central heating system. We’ll identify signs of corrosion, blockages, or poor flow. Then, using high-powered flushing units and industry-grade chemicals, we remove all internal debris — without needing to remove your radiators or dismantle pipework.
All powerflushes are carried out by our certified heating engineers, who are trained to spot early warning signs of wear or damage. If needed, we’ll advise on simple fixes or component replacements that can make a big difference. Once the system is flushed, we add a protective inhibitor to help prevent sludge from building up again in future.
We work across London and all areas within the M25, offering flexible appointments, clear pricing, and minimal disruption to your day. Whether you’re maintaining your home or managing rental properties, we’ll ensure your heating is working at its best.
So if your heating is struggling and your radiators are underperforming, don’t wait for the problem to get worse. Trust the experts at Fanatic Plumbers to bring your system back to life with a professional radiator powerflush.
Contact us today to request a quote or book your service.
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.”
“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.”
“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.”
“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.”
“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!”
“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!”
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.
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.
