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A new boiler should provide dependable heating, consistent hot water and controls that are easy to use. At RCB Heating & Cooling, we provide boiler installation in Coulsdon for homeowners replacing an unreliable system or upgrading as part of wider property improvements. We’ll assess your home first and give you practical, straightforward advice.

We supply and install boilers for houses, flats, extensions and refurbished properties. Our recommendation considers the building’s size, number of radiators, available space and everyday hot-water demand. This helps us fit a system that’s properly matched to the home rather than unnecessarily oversized.

Repeated faults and increasing repair costs are common signs that an older boiler may be reaching the end of its useful life. Our boiler replacement service in Coulsdon covers the removal of your existing unit, installation of the new boiler and thorough testing before handover.

A combi boiler provides heating and hot water from a single compact appliance, without storing water in a separate cylinder. It’s often a sensible option for smaller and medium-sized homes, although we’ll always check the property’s water pressure and hot-water requirements first.

An efficient boiler paired with suitable heating controls can reduce wasted energy and make your home easier to keep comfortable. We can replace outdated systems and explain how features such as programmable schedules and individual temperature settings can help you manage your heating.
Before quoting, we carry out a proper assessment of your existing heating system. Coulsdon includes everything from older detached and semi-detached properties around Old Coulsdon to newer homes and flats closer to the town centre. Boiler positioning, pipework and heating demand can vary considerably between them.
We’ll inspect the current appliance, radiators, controls and accessible pipework. We’ll also ask about any issues you’ve noticed, such as rooms taking too long to warm up or the hot water struggling when several outlets are used.
Once the right approach has been agreed, we arrange the installation at a convenient time. We work carefully inside your property, keep you informed and test the system before leaving. You’ll also receive a clear explanation of how to use the boiler and controls.
Where a new system isn’t yet needed, we offer boiler repair in Coulsdon. We can also carry out an annual boiler service in Coulsdon to check the appliance’s condition and identify developing issues.
RCB Heating & Cooling is a Which? Trusted Trader with more than 3,600 completed projects and excellent Google reviews from customers.
Working throughout Coulsdon and the surrounding Surrey area has given us experience with a broad range of heating systems and property layouts. We understand that replacing a boiler isn’t just about the appliance itself. Pipework condition, water pressure, controls and the way your family uses the home all affect the result.
Our approach is based on clear explanations and careful workmanship. We turn up when arranged, respect your property and don’t recommend additional work unless there’s a sound reason for it.
Areas We Cover
We work across Coulsdon and nearby communities, including Old Coulsdon, Hooley, Chipstead, Woodmansterne, Netherne-on-the-Hill, Purley, Banstead and Caterham. Our Sutton base also puts us within easy reach of customers throughout the wider Surrey area.

We assess the existing boiler, heating system and your household’s hot-water requirements.

We explain the suitable boiler options, including any changes needed to the controls or pipework.

You’ll receive a clear quotation describing the installation and the work included.

We remove the old boiler where necessary, complete the installation and carry out the required operational checks.

Before finishing, we show you how to operate the new system and answer any questions you may have.

A like-for-like boiler replacement can often be completed in one day. A system conversion or change of location may take longer, which we’ll explain during the survey.
No. Combi boilers work well in many homes, but larger households with high simultaneous hot-water demand may benefit from a different system.
It depends on its age, condition, repair history and the cost of the fault. We’ll give you an honest assessment so you can make an informed choice.
Often they will, although older radiators and pipework should be inspected. We’ll highlight any problems before agreeing on the installation.
Yes. We can discuss compatible controls that allow you to set heating times and temperatures more accurately.
Annual servicing is recommended to check the appliance’s operation, identify wear and help maintain any applicable manufacturer warranty.
If you’re considering a new or replacement boiler in Coulsdon, contact RCB Heating & Cooling to arrange an assessment. We’ll talk through your requirements, inspect the current system and provide a clear quotation for the recommended work. We also cover all surrounding areas and postcodes, including Coulsdon, Old Coulsdon, Hooley, Chipstead, Woodmansterne, Netherne-on-the-Hill, Purley, Banstead and Caterham, across the CR3, CR5, CR8 and SM7 postcode areas.

£15
inc vat
For keeping warranty valid
£22.80
inc vat
For basic protection
£32.40
inc vat
For reliable family heating
£42
inc vat
For total coverage
£66
inc vat
Covering plumbing, drains and more
Features
Annual Boiler Service
Priority Service & Call Outs
Free of Charge Call Outs
1 Free Callout
Boiler and all internals
Labour Cost Discount
10%
100%
100%
100%
Replacement Part Discount
10%
20%
100%
100%
Loyalty Discount
10%
20%
30%
30%
Discount on new boiler installation**
10%
30%
50%
50%
Annual System Water Test
Annual System Anti Corrosion Treatment
Circulation pump
Thermostatic radiator valves
Timer/thermostat
Hot Water Cylinder
Radiators
Heating pipework
All gas supply pipes
System Powerflush (every 5 years)
Plumbing
Drains
Home Electrics
Optional Add-Ons
Unvented Cylinder Service
(Additional £6+VAT)
Gas Fire Service
(Additional £7.50+VAT)
Electrical Cover
(Additional £9+VAT)
/month + VAT
For keeping warranty valid/month + VAT
For basic protection/month + VAT
For reliable family heating/month + VAT
For total coverage/month + VAT
Covering plumbing, drains and moreready to upgrade your heating system?
Contact RCB Plumbing Ltd today to discuss your heat pump care plan.

RCB Plumbing serves local homes and businesses with honest advice, prompt response, and professional workmanship every time.
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