A stunning architectural self-build interior heated by ThermaSkirt
Self Build Heating

Design freedom, built in.

When building your own home, you shouldn't be constrained by heating systems. While underfloor heating dictates your floor finishes and structural engineering, ThermaSkirt provides the same invisible, low-temperature radiant heat but installs precisely where you need it, without slowing down your build schedule.

Skirting Board Heating for New Builds

ThermaSkirt is the smartest heat emitter for modern self-builds and eco-homes. Driven by an air source heat pump (35-45°C flow), it delivers precise room-by-room radiant heating comparable to UFH, but sidesteps the immense concrete thermal mass issues that cause severe overheating in highly insulated new builds.

Thermal Mass Issues

The Overheating Problem with UFH

Modern new builds constructed to Part L regulations or Passivhaus standards are virtually airtight. They require incredibly little heat input. Digging miles of UFH pipework into a massive 100mm concrete floor slab creates an enormous thermal inertia problem.

When the winter sun blazes through your south-facing bi-fold doors, the room temperature spikes. But the floor slab, acting as a massive heating sponge, cannot turn off instantly. It continues to release high volumes of radiant heat for hours, forcing occupants to open windows to escape the unbearable heat.

ThermaSkirt’s lightweight aluminium extrusion holds minimal water volume. It reaches peak output in 10–15 minutes and cools down quickly once the room thermostat clicks off. It prevents your highly insulated self-build from turning into a sauna on sunny days.

Contemporary new-build living room with teal velvet sofas, oak flooring, and ThermaSkirt Deco BM2 providing perimeter heating
Modern new-build kitchen and dining area with ThermaSkirt Deco BM2 and heated threshold in contemporary interior
Construction & Flooring

Choose Any Floor Finish

Laying wet underfloor heating heavily restricts your interior design choices. Thick carpets, premium solid wood floors, and dense rugs act as thermal insulators that physically trap the heat beneath the floor, preventing the room from warming up and damaging the UFH system's efficiency.

ThermaSkirt operates completely independent of the floor. Because the heating surface area wraps around the structural perimeter of the room, you are free to fit thick luxury carpets, natural engineered oak flooring, or plush rugs without worrying about destroying your heat pump's COP or voiding floor warranties.

"First Class company and great service. Product does exactly as it says! I now have in all 3 main living areas and absolutely no regrets."

Stuart Simmons3 Living Areas
Case Study

SIPs Panel Self-Build with Heat Pump & ThermaSkirt Throughout

Nick and his wife built a SIPs panel home from scratch with an air source heat pump and MVHR. They chose ThermaSkirt H2O as the sole emitter throughout, no radiators, no underfloor heating. After researching for two years and contacting an existing customer twice, they committed. The result: gentle, even warmth in every room, total furniture freedom, and a home that stays comfortable through changeable weather.

Nick's SIPs panel self-build - air source heat pump with ThermaSkirt as the only emitter.

Frequently Asked Questions

Everything you need to know

Does it work well with Air Source Heat Pumps?
Perfectly. ThermaSkirt H2O is designed from the ground up to operate efficiently at maximum heat pump flow temperatures of 35-45°C. It offers the expansive surface area required to hit your room's kW heat loss calculation without relying on massive double-panel radiators.
How long does it take to install compared to UFH?
A typical whole-house ThermaSkirt installation can be completely finished by a qualified plumber in 2-3 days directly alongside second fix plumbing. UFH involves laying insulation, clipping miles of pipe, pressure testing, and then waiting weeks for a 100mm screed to fully cure before taking delivery of your floor coverings.
Do I need to run manifolds for a new build?
In new builds we heavily recommend plumbing ThermaSkirt back to central flow and return manifolds (exactly like UFH). This allows you to deploy smart, individual room-by-room zone control with smart thermostats.
Will it cope with the heat loss from large bi-fold doors?
Yes. ThermaSkirt emits heat very effectively. By surrounding the perimeter and utilising the kitchen island, you deliver a massive surface area of warm aluminium to counteract glazing heat loss. Heated threshold kits are available for door openings.
Is ThermaSkirt eligible for the Boiler Upgrade Scheme (BUS)?
The £7,500 BUS grant pays for the heat pump itself, not the emitters. But ThermaSkirt is the emitter system that makes your heat pump work efficiently at 35–45°C. Without appropriate low-temperature emitters, the heat pump won't deliver the efficiency the grant scheme intends.
Can I hide audio or data cables behind it?
Yes. Certain profiles (like the Deco) have a dedicated, isolated cable channel across the top of the extrusion for low-voltage audio, CAT6 ethernet, or alarm wires — protected away from the hot water pipes below.

Build smarter. Heat faster.

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Explore ThermaSkirt by Project

From full renovations to single-room extensions, ThermaSkirt integrates into any project with minimal disruption and maximum impact.