Cost of Immersion Heater Replacement in Portsmouth (2026)
If you're looking at immersion heater replacement in Portsmouth right now, you should be seeing quotes in the £190 to £400 range per element. That's based on current Hampshire contractor rates and the wider UK market. Anything well outside those numbers is worth questioning before you sign.
What pushes immersion heater replacement prices up in Portsmouth
Portsmouth is a large city of around 208,000 in Hampshire. The housing is mostly period cottages, Edwardian villas and 1930s semi-detached housing alongside newer commuter developments. That matters: older properties usually mean more pipework, rewiring and retrofit surprises, while newer builds in districts like PO1, PO2, PO4 tend to be quicker jobs with standardised fittings. Local trade prices sit a little above the UK average, which tracks with Hampshire labour and material costs.
Pricing for immersion heater replacement here sits roughly 5% over the UK average, putting Portsmouth quotes in the £190 to £400 band per element, with a deep local contractor pool keeping things competitive. A lot of South East firms work both London and local jobs. Rates usually track London with a small discount, so you're rarely getting a bargain. Peak season runs May to September and good tradespeople can be three to four weeks out. Out of season is the time to price round.
A typical immersion heater replacement job in Portsmouth takes 1-2 hours and lands between £190 and £400 per element; the local rate sits roughly 5% over the UK average. Heating is a regulated trade. Gas Safe for anything gas, OFTEC for oil, HETAS for wood burners and stoves, MCS for heat pumps. The bulk of the price is the engineer's time, roughly £300 to £500 a day in 2025, plus the appliance. A summer quote on the same job is usually 10 to 15 percent less than a winter emergency one, so don't leave an ageing boiler until October.
Basic to complex immersion heater replacement prices in Portsmouth
Standard immersion element swap, easy access
Element plus thermostat, limescale build-up
Difficult access, seized element, cylinder re-filling
What affects the price of immersion heater replacement in Portsmouth?
- Cylinder type and access
- Whether the thermostat needs replacing too
- Limescale severity on the old element
- Emergency callout vs booked visit
Portsmouth runs 5% over the UK average for immersion heater replacement
Portsmouth sits in the heating & boilers market at a cost multiplier of 1.05× the UK national average. That puts Portsmouth immersion heater replacement prices at £190-£400 versus the UK average of £180-£380 per element.
Immersion Heater Replacement cost calculator: Portsmouth
Estimate based on live 2025 UK trade pricing. Always get 3 written quotes before committing.
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What's typically included in a immersion heater replacement quote
- Supply of new immersion element
- Isolation, drain-down and re-fill
- Testing under load
- Disposal of old element
Frequently asked questions
How much does immersion heater replacement cost in Portsmouth?
Budget £190 to £400 per element for immersion heater replacement in Portsmouth. Prices here are around 5% more expensive than the UK average. What moves a quote inside that range is mostly heating contractor day rates in Hampshire and the specific material list for your job.
How long does immersion heater replacement take in Portsmouth?
A straightforward immersion heater replacement job in Portsmouth runs to 1-2 hours. You can lose days to things outside the contractor's control: parts on backorder, awkward access, or a firm slotting your job around existing bookings. Ask for a start date and expected finish up front.
What's included in the price of immersion heater replacement in Portsmouth?
A proper immersion heater replacement quote in Portsmouth should cover: Supply of new immersion element; Isolation, drain-down and re-fill; Testing under load; Disposal of old element. If any of those aren't itemised on your quote, push back and ask. A written guarantee with a clear warranty period is reasonable to expect on this kind of work.
Is immersion heater replacement cheaper in Portsmouth than the UK average?
Immersion Heater Replacement in Portsmouth runs around 5% more expensive than the UK average. The UK-wide benchmark for this job is £180 to £380 per element; Portsmouth quotes tend to land between £190 and £400. Handy to know what the average actually looks like before you price round.
Do I need planning permission for immersion heater replacement in Portsmouth?
Most immersion heater replacement jobs don't need planning permission, but Building Regulations and any manufacturer or trade-body sign-off still apply. If the property sits in a conservation area or is listed, ring Hampshire Council before you book anything in. It's a free call and saves a world of grief later.
How do I get a fair immersion heater replacement price in Portsmouth?
Get at least three written, itemised quotes so you can compare like for like, and tell each firm exactly the same brief. A basic immersion heater replacement job in Portsmouth starts around £190, while a complex one can reach £475 per element. Quotes near the bottom of that range usually mean a more basic spec, not a better deal, so check what's actually included before you choose on price alone.
See all immersion heater replacement prices across the UK or browse all tradespeople costs in Portsmouth.
More heating & boilers in Portsmouth: Boiler Replacement costs, Boiler Service costs, Underfloor Heating Installation costs, Radiator Replacement costs.