Underfloor heating usually comes down to two calls: electric for smaller areas or quick retrofit work, and water underfloor heating when you’re covering more floor or tying into a wet system. Mats suit straightforward rooms where you want predictable coverage. Loose cable gives you more freedom round awkward layouts, but it takes more setting out. Control matters too. If the floor build-up is tight, the wrong format soon makes the job awkward.
Warmup 140W Foil Heater - 3m²
Electric radiant foil floor heater, 140W, 3m², for carpet and wood floors
Sunstone Underfloor Electric Heating Mat - 10m² 200W 2000W
10m² electric underfloor heating mat, 200W per m², for stone and ceramic tiles
JG Speedfit Underfloor Pipe Staples - 60mm 300 Pack
60mm pipe staples for fixing underfloor heating pipes to insulation, pack of 300
Prowarm Electric Underfloor Heating Mat Kit - 200W 4m
200W electric underfloor heating mat kit, 4m², 2mm thin cable for tiling
Heat MAT Underfloor Heat Mat - 3.5m² 525W
3.5m² underfloor heating mat, 525W, self-adhesive mesh, ultra-thin 3mm cable
Snug Electric Underfloor Heating Mat - 7m² 1400W
Snug 7m² electric underfloor heating mat, 1400W, 500mm wide, 2mm thin
ThermoSphere Ultimate Decoupling Membrane Underfloor Heating Cable - 200m 2400W …
200m underfloor heating cable 2400W 230V with TwistedTwin technology
Heat MAT HMH Cable - 15W/m 19.5m 300W
15W/m heating cable, 19.5m length, 300W
Prowarm Underfloor Heating Floor Probe
3m underfloor heating floor probe with 10k Ohm resistance, compatible with ProWa…
ThermoSphere Ultimate Decoupling Membrane Underfloor Heating Cable - 150W 230V 1…
150W 12m underfloor heating cable for decoupling membranes
Start with the space you’ve got and how the floor’s going to be used. That usually fixes the spec before finishes or controls come into it. Tight rooms, awkward layouts and quick turnarounds push you one way. Bigger areas, more even coverage and a longer programme push you another. The jobs that come back are often the ones where price led the choice and the layout didn’t suit the system. Once the footprint is clear, you can narrow underfloor heating by build-up, response time and what the rest of the heating setup can support.
Electric underfloor heating suits smaller refurb jobs and rooms where you want a simpler spec. Water underfloor heating is the better fit for larger runs, because it ties into the wider heating setup and spreads the load differently.
The trade-off is clear. Electric is quicker to specify and less involved on the day. Water brings more parts, including an underfloor heating manifold, so the rest of the Central Heating setup needs to suit.
Mats are the faster choice where the floor shape is regular. Loose systems give you more control, but they take longer to lay out.
What usually decides it is the floor build-up, the heat source and how much control you need. If you’re keeping floor height tight, electric underfloor heating is usually the cleaner pick. If you’re tying into a wet system, water underfloor heating makes more sense, but it brings more components and needs more coordination.
A lot of call-backs come from missing the controls or the extras, so sort Central Heating Accessories at the same time. If the job is being linked into the boiler side, check Flues & Boiler Accessories before you commit. That can change what’s practical on the day.
Once you’ve settled the underfloor heating itself, the next call is the build-up around it. That means the panels, screed or boards that suit the floor finish, plus the controls and manifold if it’s a water set-up.
Don’t leave the surrounding bits as an afterthought. A system can look right on paper and still cause grief if the floor build-up, control gear or pipework layout doesn’t suit the job. After that, you’re into the adjacent finishes and any access panels or storage that need to work around the heating layout, not against it.














