Free tool
Do I Need to Replace My Boiler?
Use this guided check to see whether your boiler is likely fine, worth repairing, or may be due for replacement.
Your boiler and home
Are you planning any of the following?
Current issues checklist
This tool is a general guide only. Suspected gas leaks, fumes, repeated lockouts or safety concerns should be assessed urgently by a Gas Safe registered engineer. Do not attempt boiler repairs yourself.
Recommendation
Complete the questions for your recommendation
Awaiting your details
Provide your boiler details and click calculate to see whether your current setup is likely fine, worth repairing, or more likely due for replacement.
Key drivers
- Add your details to see the strongest factors.
What usually makes replacement more worthwhile?
- Repeated repair bills
- Poor hot water performance
- Falling efficiency
- Older out-of-warranty boilers
- Changes in household demand
If you would like tailored advice, we can review your setup and confirm the most sensible next step.
This guide does not replace an in-person inspection by a qualified engineer.