Cost of Underfloor Heating Installation in Lewisham (2026)
If you're looking at underfloor heating installation in Lewisham right now, you should be seeing quotes in the £90 to £240 range per m². That's based on current Greater London contractor rates and the wider UK market. Anything well outside those numbers is worth questioning before you sign.
About underfloor heating installation in Lewisham
Lewisham is a large city of around 306,000 in Greater London. The housing is mostly South East London properties span Victorian terraces, post-war council estates and new-build apartment blocks. That matters: older properties usually mean more pipework, rewiring and retrofit surprises, while newer builds in districts like SE4, SE6, SE8 tend to be quicker jobs with standardised fittings. Local trade prices sit on the expensive side for UK trade work. That's mostly wage levels plus the cost of running a van and a yard in and around Greater London.
London's the deepest trade market in the country, and also the priciest. ULEZ, congestion charge, parking permits, higher van insurance — it all feeds into the day rate. Most decent firms charge a callout and central boroughs run a clear premium over zones 4 and 5. Book two to three weeks ahead if you can.
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.
Underfloor Heating Installation cost breakdown in Lewisham
Electric dry mat system in a single bathroom under 5m²
Wet system in a kitchen/diner up to 30m² with one zone
Whole-ground-floor wet system with multi-zone manifold and screed
What affects the price of underfloor heating installation in Lewisham?
- Wet (water-based) vs electric dry systems
- Screed depth and floor build-up
- Floor finish (tile, engineered wood, LVT)
- Number of zones and thermostats
- Whether insulation boards are needed first
- Connection to existing boiler or new manifold
Lewisham vs the UK average
Lewisham sits in the heating & boilers market at a cost multiplier of 1.20× the UK national average. That puts Lewisham underfloor heating installation prices at £90–£240 versus the UK average of £75–£200 per m².
Underfloor Heating Installation cost calculator — Lewisham
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 underfloor heating installation quote
- Supply of pipework, manifold and controls
- Insulation and screed where required
- Pressure testing
- Connection to the heating circuit
- Commissioning and thermostat setup
Frequently asked questions
How much does underfloor heating installation cost in Lewisham?
Budget £90 to £240 per m² for underfloor heating installation in Lewisham. Prices here are around 20% more expensive than the UK average. What moves a quote inside that range is mostly heating contractor day rates in Greater London and the specific material list for your job.
How long does underfloor heating installation take in Lewisham?
A straightforward underfloor heating installation job in Lewisham runs to 2–5 days for a typical room. 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 underfloor heating installation in Lewisham?
A proper underfloor heating installation quote in Lewisham should cover: Supply of pipework, manifold and controls; Insulation and screed where required; Pressure testing; Connection to the heating circuit; Commissioning and thermostat setup. 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 underfloor heating installation cheaper in Lewisham than the UK average?
Underfloor Heating Installation in Lewisham runs around 20% more expensive than the UK average. The UK-wide benchmark for this job is £75 to £200 per m²; Lewisham quotes tend to land between £90 and £240. Handy to know what the average actually looks like before you price round.
Do I need planning permission for underfloor heating installation in Lewisham?
Most underfloor heating installation 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 Greater London Council before you book anything in. It's a free call and saves a world of grief later.
See all underfloor heating installation prices across the UK or browse all tradespeople costs in Lewisham.