122 Harley Street, W1

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Project Facts

  • Project completed on time and to budget

Key Details

  • Client Howard de Walden Estate
  • Electrical Contractor Raytell Electrical Co Limited
  • Contract Value £343K
  • Contract Duration 9 months

The works consists of renovating medical consultant rooms into 5 high end apartments for the Howard de Walden Estate.


Work consists of converting the main house into 4 separate fully contained apartments, with a basement extension added to create the 5th apartment.


Our works consist of the following:



  • Mains & sub mains
  • Lighting
  • Emergency lighting
  • Multiload dimming lighting control
  • Power
  • Fire alarms
  • Intruder alarms
  • Telephone system
  • Satellite/TV/FM/DAB systems
  • Entryphone system
  • CCTV system


  • Installation of gas fired central heating to 3 number apartments include gas supplies from meters to appliances
  • Installation of electric boilers to 2 number Apartments
  • Installation of home booster set to 2 number apartments
  • Solar installation to one of the apartments
  • Installation of 5 number home ventilation systems
  • Installation of rainwater, drainage and sanitary ware systems
  • Full commissioning procedure carried out for all items



What our clients say