Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, if he will make an estimate of the number and proportion of domestic households that use (a) air source and (b) ground source heat pumps for their heating in Southampton Itchen constituency.

The Microgeneration Certification Scheme Installations Database shows that, as of 31st March 2023, 33 air source heat pump (representing 0.1% of domestic households) and no ground source heat pump installations were registered in the Southampton Itchen constituency.

The database does not include all heat pump installations. Those installed without Government funding support, such as in new buildings, are not typically recorded in the Microgeneration Certification Scheme Installations Database.