emergency
Thermostat failure
Like-for-like thermostat swaps and smart upgrades (Nest, Hive, Tado, Honeywell).
What's typically involved
- Diagnose the problem and confirm the underlying cause
- Discuss a clear price before any work starts
- Complete the repair with the right parts and tools
- Test the fix and clean up on completion
Common symptoms
Not sure if this is the right service? Describe what you're seeing and we'll classify it for you.
Approval before work
You'll always see a price before we go ahead. Additional work is approved by you.
KJ
Founder, KJ Plumbers · Online now
KJ
onlineHonest UK plumbing advice — free where safe, £50 home visit only if needed.
Hi, I'm KJ. Tell me what's happening — leak, blockage, boiler, emergency, anything — and I'll help you sort it.
You can send a photo, short video, voice note or share your location — whatever's easiest.
Please avoid sending faces, documents, house numbers or payment cards in photos. This chat is a digital version of KJ — for genuine emergencies call 01706 318200 or the National Gas Emergency Service on 0800 111 999.
Common plumbing problems — tap one to start