Heating: Wales
The question
To ask the Secretary of State for Energy Security and Net Zero, what estimate he has made of the number of off-grid homes in Wales that are not suitable for heat pump technology.
Answered by Martin McCluskey
While we do not have a specific assessment for Wales, evidence shows heat pumps will work well in most off-gas grid homes.
A home’s suitability to install a heat pump depends on several factors, including having sufficient internal and external space (for the heat pump unit, thermal store and larger radiators), the peak current draw of the grid connection, and the home’s peak heat loss.
We have commissioned research on the costs of different approaches to decarbonising complex housing archetypes, including alternative low carbon heating solutions where required, and we expect to receive results in Spring 2026.
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