How often should a central heating system be serviced?

We recommend having your boiler and heating system serviced every 12 months. Annual servicing keeps the system running efficiently, extends its lifespan, and is often a condition of the boiler manufacturer's warranty. It also means any developing problems are caught early, before they become expensive repairs.

Why are some of my radiators cold at the top but warm at the bottom?

This is usually caused by trapped air in the radiator, which can be resolved by bleeding it. If bleeding doesn't help, or if the radiator is cold all over, there may be a sludge build-up in the system or a faulty thermostatic radiator valve. Our engineers can diagnose and fix the issue quickly.

What is a power flush and do I need one?

A power flush is a deep-clean of your central heating system that removes sludge, rust and debris from the pipework and radiators. Signs that you may need one include cold spots on radiators, noisy pipework, a boiler that cuts out frequently, or discoloured water when you bleed a radiator. It significantly improves system efficiency and is often recommended before a new boiler is installed.

Can you add a radiator to an existing central heating system?

Yes. We can add new radiators to an existing system, replace old ones, or reposition them as part of a home renovation. We'll check that your boiler has sufficient output capacity before any additions are made and advise on the best approach for your home.

My heating is on but the house isn't getting warm — what could it be?

There are several possible causes: a boiler working below its rated output, significant sludge build-up in the system, poorly balanced radiators, or inadequate insulation. Our engineer will carry out a systematic check of your boiler, controls, and radiators to find the cause and recommend the most effective fix.

Central Heating in Richmond

Central heating installation, repairs and power flushing in Richmond to keep your home warm, efficient and reliable.

5.0 · 73 verified reviews

Clear & Upfront Pricing
24/7 Callouts, 365 Days A Year
Trusted Local Business
Gas Safe Registered Installers
£5,000,000 Public Liability Insurance

0203 886 3037

Richmond Plumbers 247 engineer working on central heating in Richmond

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Central Heating Services in Richmond

A well-maintained central heating system keeps your home warm, comfortable and economical to run. Richmond Plumbers 247 install, repair and maintain central heating systems across Richmond and the surrounding TW9, SW14, TW1, TW10, TW11, TW7 and SW13 areas. From adding a single radiator to designing and fitting a complete new system, our Gas Safe registered engineers do the job properly.

If your radiators are cold at the bottom, slow to warm up or noisy, your system may need balancing, bleeding or a power flush to clear sludge and improve circulation. We diagnose heating problems accurately and recommend the most effective fix, whether that's a repair, a new pump or thermostat, or an upgrade to smart heating controls that give you better comfort and lower bills.

Central heating work in Richmond often means balancing radiators and sorting controls in period homes, where the layout and age of the property can make heat distribution uneven.

As Worcester Bosch and Vaillant accredited installers, we work with quality components and take pride in tidy, reliable workmanship. Everything is tested and balanced before we leave, so your whole home heats evenly. For heating that has failed completely, we're available 24/7.

Call 0203 886 3037

Richmond Plumbers 247 engineer fitting a thermostatic radiator valve during central heating work in Richmond

Our Central Heating Process

Assess your system
We review your boiler, radiators, pipework and controls to understand how your heating is performing.
Plan the work
Whether it’s a repair, upgrade or full system, we explain what’s needed and provide a clear quote.
Install or repair
Our Gas Safe engineers carry out the work to a high standard, from new radiators to full system installs.
Balance & test
We balance the system, check every radiator heats evenly and confirm the controls work as they should.

Central heating issues we sort across Richmond

If you need a plumber in Richmond for heating problems, we help with everything from patchy radiators to controls that never seem quite right. Our work is tailored to the mix of Georgian townhouses, Victorian terraces and riverside flats found across TW9 and nearby areas.

Cold Radiators And Spots

Cold radiators often point to trapped air, sludge, an imbalanced system or a failing valve, rather than a boiler fault. We check the whole circuit, bleed and balance where needed, then test flow so each room heats evenly again.

Power Flushing Needed

If radiators warm slowly, have cold bottoms or the system has become noisy, a power flush may be the right fix. We use the correct equipment and cleaning chemicals to shift sludge and debris, then protect the system with inhibitor so it stays cleaner for longer.

Radiator Replacement

Old or undersized radiators can struggle to heat modern rooms, especially in larger Richmond homes with high ceilings or extended living spaces. We size and fit suitable replacements, check pipework and valves, and make sure the new radiator heats efficiently without leaks or uneven output.

Smart Thermostat Fitting

Smart thermostats and heating controls can improve comfort and help cut wasted energy, but only if they are installed and set up properly. We fit compatible controls, wire them safely and show you how to use schedules, zoning and temperature settings in a way that suits the house.

Noisy Pipes Sorted

Rattling, banging or whistling pipework can be caused by loose pipe clips, high water pressure, air in the system or expansion issues. We trace the source carefully, then adjust or secure the pipework, fit pressure control where needed and stop the noise at its cause.

TRV Problems Fixed

Thermostatic radiator valves can stick, seize or give poor heat control, leaving some rooms too hot and others too cool. We test each valve, replace faulty heads or bodies, and balance the system so the TRVs do their job properly throughout the property.

Expert Advice

“Central heating systems in Richmond need balancing and regular attention, particularly in period houses and conversions where radiator performance can vary room to room. I like getting the whole system working evenly, not just treating one cold radiator.”

JohnCentral Heating & Plumbing17 years’ experience

Frequently Asked Questions

: We recommend having your boiler and heating system serviced every 12 months. Annual servicing keeps the system running efficiently, extends its lifespan, and is often a condition of the boiler manufacturer's warranty. It also means any developing problems are caught early, before they become expensive repairs.
: This is usually caused by trapped air in the radiator, which can be resolved by bleeding it. If bleeding doesn't help, or if the radiator is cold all over, there may be a sludge build-up in the system or a faulty thermostatic radiator valve. Our engineers can diagnose and fix the issue quickly.
: A power flush is a deep-clean of your central heating system that removes sludge, rust and debris from the pipework and radiators. Signs that you may need one include cold spots on radiators, noisy pipework, a boiler that cuts out frequently, or discoloured water when you bleed a radiator. It significantly improves system efficiency and is often recommended before a new boiler is installed.
: Yes. We can add new radiators to an existing system, replace old ones, or reposition them as part of a home renovation. We'll check that your boiler has sufficient output capacity before any additions are made and advise on the best approach for your home.
: There are several possible causes: a boiler working below its rated output, significant sludge build-up in the system, poorly balanced radiators, or inadequate insulation. Our engineer will carry out a systematic check of your boiler, controls, and radiators to find the cause and recommend the most effective fix.