Underfloor heating in a home extension
Underfloor heating is a natural fit for many extensions, especially with good insulation and open-plan layouts.
Extensions often have new floor build-ups, making them a good moment to add underfloor heating.
The system must be matched to insulation, floor finish and the existing heating setup.
Wet or electric system
Water-based systems suit larger spaces and low-temperature heating.
Electric systems can work for smaller areas but usually cost more to run.
Floor build-up
Insulation below the system is essential so heat goes into the room rather than the ground.
Floor height must be coordinated with the existing house.
Controls and comfort
Good controls prevent the extension from overheating or lagging behind the rest of the home.
Plan zones early when the extension connects to existing rooms.
Summary
Underfloor heating works best when it is designed with insulation, floor levels and controls from the start.
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