Heating Installation, Maintenance & Repairs
At C A Waters Plumbing & Heating, we offer comprehensive heating services to homeowners across Hertfordshire, including Watford, Radlett, Bushey, St Albans, Borehamwood, and surrounding areas. Whether you're looking for a full central heating installation, a fast response to a faulty radiator, or routine heating system maintenance, our qualified engineers are here to help.
We work with all major heating systems, including combi boilers, conventional systems, and unvented cylinders, offering expert solutions for heating faults, zoning issues, airlocks, and power flushing to restore efficiency. Our team is Gas Safe registered, highly experienced, and committed to delivering quality workmanship with honest, transparent pricing.
From radiator installations and thermostat replacements to central heating pump repairs and energy-efficient upgrades, we help ensure your home stays warm, safe, and cost-effective all year round.
Common heating issues we can resolve
Radiators Not Heating Up Properly
Air trapped in the system, sludge build-up, or faulty thermostatic radiator valves (TRVs).
Boiler Losing Pressure
Leaks in the system, a faulty pressure relief valve, or an issue with the expansion vessel.
No Heating or Hot Water
Failed motorised zone valve, broken diverter valve, faulty programmer, or boiler ignition failure.
Kettling (Boiler Making Banging or Whistling Sounds)
Limescale or sludge build-up in the heat exchanger restricting water flow.
Thermostat Not Responding or Inaccurate
Dead batteries, poor placement of the thermostat, or a faulty sensor.
Cold Radiators Upstairs or Downstairs Only
Airlocks, unbalanced system, or faulty pump not circulating water evenly.
Boiler Constantly Switching Off
Low pressure, thermostat issues, overheating, or blocked condensate pipe.
Hot Water But No Heating (or vice versa)
Faulty diverter valve (combi boilers) or zone valve issues (in system/regular boilers).
At C A Waters Plumbing & Heating, we provide trusted, expert heating services for homeowners across Hertfordshire, including Watford, Radlett, Bushey, St Albans, Borehamwood, Elstree, and surrounding areas.
With over 8 years of experience, our qualified engineers handle everything from full central heating installations to fault finding, repairs, and system servicing.
We work with all major heating systems – including combi boilers, regular and system boilers, and unvented hot water cylinders – to keep your home safe, warm, and energy-efficient all year round.
Whether you're dealing with cold radiators, boiler pressure issues, or thermostat faults, our responsive team delivers fast, reliable repairs with clear pricing and no hidden charges.
Our heating services include:
- Central heating system design & installation
- Radiator replacements and upgrades
- Boiler diagnostics and heating fault repairs
- Power flushing to improve system performance
- Heating controls, TRVs, and thermostat fitting
- Unvented cylinder maintenance and servicing
- Annual boiler and system servicing
All engineers are Gas Safe registered, fully insured, and committed to the highest standards of workmanship.
We also offer fixed quotes on larger projects and a 6-month workmanship guarantee for added peace of mind.
If you need a local heating expert in Hertfordshire, contact us today for responsive service, expert advice, and quality you can trust.
Well known boiler brands we are proud to work with
Why Choose C A Waters Plumbing & Heating?
- years of central heating experience
- Fully qualified & Gas Safe registered engineers
- 100s of 5-star reviews across Google, Nextdoor & Which?
- Emergency repairs and same-day callouts available
- Transparent pricing and expert advice
- Covering homes across Hertfordshire
Get a free heating quote today
Need a heating installation or heating repair? C A Waters Plumbing & Heating is here to help. Call or email today for honest advice and fast service.
Contact Us
Trusted
Reliable
Experienced
Heating Installation & Repair FAQs
Do you offer central heating repairs in Hertfordshire?
Yes — we carry out central heating repairs across Watford, Bushey, Radlett, St Albans, Borehamwood, and wider Hertfordshire. From faulty radiators to failed zone valves, our engineers can quickly diagnose and resolve all types of heating issues.
What types of heating systems do you work on?
We work on all major heating systems, including combi boilers, regular (conventional) boilers, system boilers, and unvented hot water cylinders. Whether it's a complete installation or a minor repair, we’re fully qualified and experienced.
How much does a heating engineer cost?
Our heating call-out starts at £90 + VAT, which includes the first 30 minutes on-site, travel, and admin. After that, we charge £50 + VAT per 30 minutes. For larger jobs, we offer fixed-price quotes following diagnosis.
Can you replace radiators or upgrade my heating system?
Absolutely. We offer full radiator replacements, system upgrades, and zoning improvements. We can also install smart heating controls, TRVs, and programmable thermostats for improved efficiency.
What is power flushing and do I need it?
Power flushing is a process that removes sludge, rust, and debris from your central heating system. If you have cold spots on radiators, noisy pipework, or poor heating performance, a power flush can help restore efficiency.
Are your heating engineers Gas Safe registered?
Yes — all engineers at C A Waters Plumbing & Heating are Gas Safe registered and fully insured. We also offer a 6-month workmanship guarantee on all heating work for added peace of mind.
Which areas do you cover for heating work?
We serve homeowners across Hertfordshire, including key areas like Watford, Radlett, Chorleywood, Potters Bar, Rickmansworth, Bushey, Kings Langley, and Harpenden. If you're not sure if we cover your area, get in touch.
