Gas Boiler Installation Guide
o3 Mini / AI Assistant
02/07/25, 14:04
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Scope of Works
• Inspect the home heating system and assess site suitability for boiler installation
• Isolate gas and water supplies; disconnect or remove the existing boiler if required
• Install and securely mount the new gas boiler unit
• Connect the gas, water and flue systems; perform safety, pressure and leak tests
• Commission the system and complete final performance checks
Typical Cost
Charge Type | Low £ | High £ | Notes |
|---|---|---|---|
Call-out / Minimum | £150 | £200 | Assessment and safety check |
Labour per hour | £65 | £90 | Experienced Gas Safe engineer |
Materials | £50 | £150 | Excludes boiler unit if purchased separately |
TOTAL (most jobs come in around) | £1,200 | £2,500 |
Time on Site
Most gas boiler installations take 4–6 hours. Extra time may be needed if the installation involves complex removals or site constraints.
Questions to Ask Your Tradie
• Are you Gas Safe registered and fully insured?
• What warranty and maintenance agreements do you offer on the installation?
How to Avoid Surprises
• Prepare the installation area by clearing obstructions and ensuring safe access
• Confirm the location of gas and water shut-off valves and verify necessary permits are in order
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