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Strutt & Parker/BNPS

Project specification

  • Property type: Country estate
  • Technologies installed:
  • Collector type:
  • Size (kW): 42
  • New/retrofit: Retrofit
  • Brand: CTC

Birch Hall is a pretty Grade II Listed house in Surrey. The house is owned by a family who have refurbished it throughout. As part of the refurbishment, the owners were keen to move away from natural gas as a heating source and contacted isoenergy for help.

isoenergy recommended, designed and installed a 42kW ground source heat pump system collecting energy from boreholes in the grounds. In addition to heating and hot water, the heat pump also heats the outdoor swimming pool water in the swimming season.

Key features:

  • 42kW ground source heat pump system
  • Energy collected frm 9 x 145m boreholes in the grounds
  • 500l buffer vessel
  • 500l of domestic hot water storage
  • Outdoor pool water heating


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