Immersion heater repair
gpt 5 mini
01/10/25, 12:14
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Scope of Works
• Visually inspect the immersion heater, access panel and surrounding cylinder area
• isolate and test the electrical circuit and RCD before working on the element or thermostat
• remove and test the immersion element and thermostat and replace faulty parts as agreed
• top up seals, check terminals and reassemble and run electrical and leak checks
• dispose of small waste or old elements and advise if cylinder repairs or replacement are needed
• wear PPE and follow electrical safety procedures while working on mains-powered components
Typical Cost
Charge Type | Low £ | High £ | Notes |
|---|---|---|---|
Call-out / Minimum | £80 | £120 | First 30 min on site |
Labour per hour | £50 | £85 | Qualified electrician or plumber rates |
Materials | £35 | £160 | Element, thermostat, seals vary by cylinder type |
Disposal | £0 | £30 | Charge for old element or waste disposal where applicable |
Extras (e.g. scaffolding) | £0 | £200 | Loft access, cylinder draining or scaffolding if required |
TOTAL (most jobs come in here) | £170 | £460 | Most element replacements and small repairs fall in this range |
Time on Site
Most inspections and simple element or thermostat replacements take 1–3 hours. Jobs that require draining the cylinder, ordering parts or dealing with corroded terminals typically take 3–6 hours or may need a return visit. Restricted access, loft work or electrical complications extend time on site
Questions to Ask Your Tradie
• Are you qualified to work on mains electrical heating and registered with NICEIC or an equivalent body
• Do you carry public liability insurance and provide a written parts and labour guarantee
• Will you isolate and test the circuit and issue any required electrical certificate if you replace wiring or components
• Do you expect to drain the cylinder and will you manage water containment and any drying needed
• What parts do you expect to replace and can you supply them same day or will ordering add time and cost
• How will you charge if the job uncovers corrosion, a leaking cylinder or the need for a full replacement
How to Avoid Surprises
• clear access to the cylinder and remove stored items or obstructions from the loft or airing cupboard
• confirm parking or permit arrangements for the tradesperson to avoid delays
• point out any known leaks, limescale or hard-water issues before work starts
• make space for the tradesperson to place tools and drying equipment and secure pets and children
• ask whether any permits or building-management approvals are needed for loft access or scaffold use
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