BOILER REPLACEMENT
Boiler Quotation Checklist
The cheapest boiler price may exclude the work needed for a reliable system. Compare the complete scope, not just the appliance badge and warranty headline.
Reviewed 10 August 2026 · Independent household decision support
Equipment
- Exact boiler make, model and output
- Combi, system or regular-boiler arrangement
- Flue route and plume-management parts
- Controls, thermostat and weather compensation
- Cylinder or condensate work where relevant
Installation scope
- System cleaning and water treatment
- Magnetic filter and inhibitor
- Gas-pipe or electrical upgrades
- Making good and waste removal
- Commissioning and registration paperwork
Warranty conditions
- Product-registration deadline
- Servicing requirements
- Parts, labour and call-out coverage
- Installer workmanship period
- Exclusions for system water quality or controls
Before accepting
Ask for an itemised total, payment stages, start and completion expectations, cancellation information and the route for correcting defects.
Use this guide
Keep important answers in writing and make sure they appear in the final contract.
Start a free quotation check →
QuoteGuardian content is general information—not financial, legal or engineering advice.
Related guidance
- PowerGuardian household energy guidance — External specialist resource
- Questions to ask an installer