Power Flush Services in South London

Gas Safe Registered Engineers
Gas Safe Registered Engineers
Improve Efficiency & Cut Bills
10+ Years Serving South London Homes
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What Is a Power Flush and Why You Need It

Over time, your heating system builds up gunk like sludge, rust, and limescale. That’s what causes cold patches on the radiators, noisy pipes, and a boiler that’s working harder than it should.

A proper power flush clears all that out, leaving your system running like new. You’ll get hotter radiators, a quieter boiler, lower energy bills, and a heating system that lasts longer — saving you stress (and money) in the long run.

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Signs Your South London Home Needs a Power Flush

Cold spots on radiators
Noisy boiler or pipes
Slow heating
Frequent boiler breakdowns
Dirty / sludgy water in system

Benefits of Our Power Flush Services in South London

Extend Boiler & Heating System Life
By clearing out sludge and rust, a power flush takes the pressure off your boiler and pipework. That means fewer problems and a system that keeps going strong for years.

Reduce energy bills
When your heating runs smoothly, it doesn’t have to work overtime. A power flush makes your system more efficient, so you’ll notice the difference on your energy bills.

Faster, More Even Heating
No more waiting ages for the house to warm up or dealing with cold spots on radiators. After a flush, heat spreads evenly and quickly through every room.

Protects Against Breakdowns
Sludge and blockages are one of the main causes of boiler breakdowns. A power flush helps prevent those costly call-outs by keeping your system clean and protected.

Client Testimonials

Lead mains pipe leaking repair

Teddy was professional throughout the whole experience. Arrived on time for an initial inspection and was able to complete the job then and there. Very happy with the service, would highly recommend.

Job location: SW8
Checkatrade Reviewer

Fix dripping bathroom sink

Teddy was very friendly and kept me informed as the work was progressing and it turned out a replacement part was needed. He quickly got the new part, fitted it and cleaned everything up. Very pleased with the job he did and would happily use him again.

Job location: SM7
Checkatrade Reviewer

Highly Recommended 10/10

I was let down by two other companies, both through Checkatrade, however, super happy they did as Teddy from T.G.M attended and had the job done in no time. Friendly and very professional and I highly recommend to anyone looking for a plumber. 10/10

Job location: SE23
Checkatrade Reviewer

Replacement of TRV

Really appreciate Teddy’s communication and excellent work. Contacted due to TRV leaking in upstairs bedroom. Came out quickly and completed the work to excellent standard. Really dependable and would easily recommend.

Job location: SM4
Checkatrade Reviewer

Tap & Shower replacement

Work was done quickly & efficiently – can recommend this company.

Job location: W1W
Checkatrade Reviewer

Lead mains pipe leaking repair

Teddy was professional throughout the whole experience. Arrived on time for an initial inspection and was able to complete the job then and there. Very happy with the service, would highly recommend.

Job location: SW8
Checkatrade Reviewer

Fix dripping bathroom sink

Teddy was very friendly and kept me informed as the work was progressing and it turned out a replacement part was needed. He quickly got the new part, fitted it and cleaned everything up. Very pleased with the job he did and would happily use him again.

Job location: SM7
Checkatrade Reviewer

Highly Recommended 10/10

I was let down by two other companies, both through Checkatrade, however, super happy they did as Teddy from T.G.M attended and had the job done in no time. Friendly and very professional and I highly recommend to anyone looking for a plumber. 10/10

Job location: SE23
Checkatrade Reviewer

Replacement of TRV

Really appreciate Teddy’s communication and excellent work. Contacted due to TRV leaking in upstairs bedroom. Came out quickly and completed the work to excellent standard. Really dependable and would easily recommend.

Job location: SM4
Checkatrade Reviewer

Tap & Shower replacement

Work was done quickly & efficiently – can recommend this company.

Job location: W1W
Checkatrade Reviewer

Lead mains pipe leaking repair

Teddy was professional throughout the whole experience. Arrived on time for an initial inspection and was able to complete the job then and there. Very happy with the service, would highly recommend.

Job location: SW8
Checkatrade Reviewer

Fix dripping bathroom sink

Teddy was very friendly and kept me informed as the work was progressing and it turned out a replacement part was needed. He quickly got the new part, fitted it and cleaned everything up. Very pleased with the job he did and would happily use him again.

Job location: SM7
Checkatrade Reviewer

SOUTH LONDONWhy South London Trusts TGM in an Emergency

Same-Day Appointments
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Quick quote over WhatsApp or a free video call — no pressure, no hidden costs.
Gas Safe Registered Engineers
Every job is handled by fully qualified, experienced professionals. No shortcuts, no cowboys.
Clean, Respectful Service
We turn up on time, take care of your home, and clean up properly before we leave.
No Call-Out Charges
You won’t pay a penny just for us to knock on the door. We only charge for the work we do.
Highly Rated Locally
Hundreds of five-star reviews from real South London customers on Checkatrade, Google and Trustpilot.

Frequently Asked QuestionsFAQs: Boiler Installation South London

1
What exactly is a power flush?

A power flush is a deep clean of your central heating system using special equipment to remove sludge, rust, and limescale from pipes, radiators, and the boiler.

2
How do I know if I need a power flush?

Signs include cold patches on radiators, noisy pipes or boiler, dirty water when bleeding radiators, or slow heating. If you notice these in your South London home, a power flush can help.

3
How much does a power flush cost in South London?

Costs vary depending on the size of your system, but we provide free, fixed quotes so you’ll know the price upfront.

4
How long does a power flush take?

Most power flushes take between 4–8 hours depending on the size of the property and the condition of the system.

5
Is a power flush safe for older heating systems?

Yes, but we always assess the condition of your system first to make sure it’s suitable. If your boiler or pipework is very old, we may suggest alternatives.

6
How often should I get a power flush?

On average, every 5–6 years is recommended. But if you’ve recently had a new boiler fitted, it’s worth flushing the system to protect your investment.

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Contact us now to get quote

Contact us now to get quote

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