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.
JG Speedfit Layflat Coil - 10mm x 100m
10mm x 100m layflat polybutylene pipe with oxygen barrier for central heating
Warmup 140W Foil Heater - 1m²
1m² 140W foil underfloor heating for laminate floors
Polypipe UFH Barrier Pipe Coil - 12mm x 25m
12mm underfloor heating barrier pipe coil, 25 metres length
Inta 4 Outlets Manifold Pre-Assembled
Pre-assembled 4-outlet manifold for underfloor heating
JG Speedfit 4-Way Manifold - 22mm x 10mm
Push-fit 4-way manifold 22mm x 10mm, quick fit and tool-free, lead free
Prowarm Electric Underfloor Heating Mat Kit - 150W - 3m
150W electric underfloor heating sticky mat kit, 3 m², with 2mm thin cable
Warmup Foil Heater - 140W 2m²
140W/m² electric underfloor foil heater for floating floor finishes, 2m²
Heat MAT HMH Mat 160W/sqm - 15m²
160W/sqm underfloor heating mat covering 15m²
Warmup Self-Adhesive Heating Mat - 0.5m² 100W
Self-adhesive underfloor heating mat, 0.5m², 100W, Warmup StickyMat
ProWarm XP-Pro Insulation Board - 6mm
6mm insulation board for electric underfloor heating, 1200 x 600mm, 0.72m² per b…
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.














