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.
Polypipe Polyplumb Barrier Pipe Underfloor Heating Polybutylene - 12mm x 300m gr…
Grey 12mm polybutylene barrier pipe coil for underfloor heating, 300m length
Prowarm Electric Underfloor Heating Mat Kit - 150W 8m
150W Underfloor heating mat kit, 8m², 2mm thin cable, self-adhesive, ideal for t…
Prowarm Aluminium Spreader Plate - 390mm x 1000mm
Aluminium spreader plate for underfloor heating on wooden joists with 400mm cent…
Polypipe Isolation Valves - 1" Stainless Steel 2 Pack
Stainless steel isolation valve, 1 inch, supplied in a pack of 2
ThermoSphere Self Adhesive Mesh - 150W/m² 2.0m x 0.5m 1m²
Self-adhesive underfloor heating mesh, 1m² 150W/m² 2m x 0.5m
Warmup Insulated Underlay - 25m²
25m² roll of 6mm grooved polystyrene insulation underlay with foil backing for u…
Prowarm Electric Underfloor Heating Mat Kit - 200W 8m
ProWarm 200W electric underfloor heating mat kit covering 8 square metres
Warmup Foil Heater - 140W, 4m²
140W foil heater for wooden and floating floors; compatible with carpet/vinyl wi…
Polypipe Overlay Plus Boards - 1200mm x 600mm x 18mm 50 Pack
Lightweight acoustic board for underfloor heating, 1200x600x18mm, pack of 50
EPH Controls Underfloor Heating Wiring Centre IP20 - 10 zone 5A
10-zone underfloor heating wiring centre with pump and boiler outputs
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.














