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Underfloor heating is a heating system that warms a room from the floor upwards. It uses either warm water flowing through pipes or electric heating elements beneath the floor finish to create an even, comfortable heat across the whole space.
Yes, underfloor heating can be installed in existing properties as well as new builds. Low-profile retrofit systems are available where floor height is limited. The right solution depends on the existing subfloor, available build-up, and the type of floor finish being used.
The two main types are wet underfloor heating and electric underfloor heating. Wet systems use warm water through pipes and are commonly used in larger areas or new builds. Electric systems use heating mats or cables and are often chosen for smaller spaces or retrofit projects.
Underfloor heating works with many floor finishes, including tile, stone, laminate, engineered wood, vinyl, and carpet. Some floor finishes transfer heat better than others, so it is important to check the manufacturer’s recommendations and the overall tog value where relevant.
It can be economical to run when the system is correctly designed, installed, and paired with good insulation. Running costs depend on the heat source, room insulation, floor finish, controls, and how the system is used. Lower flow temperatures can make wet UFH especially efficient with heat pumps.