One hour response

Same rate 7 days a Week

24/7 Service

Call us : +44 20 7946 0000

Boiler Repairs

When your boiler breaks down, RCB Plumbing Ltd provides fast, professional repair services across South London and Surrey. Our Gas Safe registered engineers diagnose and fix all makes and models with transparent, fixed pricing.

Emergency Boiler Repairs

Modern boilers offer significant improvements in efficiency, reliability, and heating control compared to older models.

By upgrading your boiler, you can enjoy reduced energy bills, improved performance, and the peace of mind that comes with a manufacturer's warranty.

Fixed Price Repairs

Know exactly what you're paying before we start work, with transparent pricing that covers both parts and labour.

Same-Day Service

We prioritise emergency callouts with real-time engineer tracking, so you're never left wondering when help will arrive.

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Qualified & experienced

Common Boiler Problems We Fix

With years of experience, our Gas Safe registered engineers can quickly identify and repair all common boiler issues. We carry a wide range of genuine parts to ensure fast, effective repairs on your first appointment.

No heating - We diagnose and repair circulation problems, thermostat issues, broken diaphragms, and airlocks that leave you without heat.

Strange noises - We remove limescale buildup, fix pump issues, and repair air in the system that causes banging, whistling, or gurgling noises.

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What's Included

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%

Replacement Part Discount

10%

20%

100%

Loyalty Discount

10%

20%

30%

Discount on new boiler installation**

10%

30%

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)

Our trusted process

1. Survey

We discuss your heating needs and survey your property to recommend the perfect boiler system tailored to your specific requirements.

2. Quote

You'll receive a comprehensive, no-obligation quote outlining all costs, boiler options, and potential energy savings.

3. Job completed

Our Gas Safe engineers complete your installation efficiently, demonstrate the system, and provide all necessary documentation and warranties.

Frequently Asked Question

How quickly can you fix my boiler?

For emergency repairs, we aim to be with you on the same day. In most cases, we can complete repairs on our first visit as our vans are stocked with common parts for all major brands.

What if my boiler can't be repaired?

If your boiler is beyond economical repair, we'll provide honest advice and a free, no-obligation quote for a replacement system. We never recommend replacement unless absolutely necessary.