23 Essex Street

Cat B installation to 6 floors




Temple, Central London


  • Full Mechanical & Electrical design and co-ordination
  • Mechanical ventilation heat recovery units installed in tight cupboard to serve 2 floors
  • Relocation of existing chassis wall concealed air conditioning units to suit new joinery & installation of new Comms Room air conditioning splits
  • Employment of intelligent lighting control specialist
  • Full decorative and architectural lighting schemes
  • Complete fire alarm installation and upgrade of existing panel
  • Intruder alarm & access control systems
  • Complete data installation comprising of 412no Cat 6a points
  • Hardwired in-screed floor box installation
  • Leak detection to teapoints
  • Stairwell & WC radiator replacements
  • BREEAM water leak detection
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As a client to Datum Design & Build, we can always rely on their professional & accurate knowledge within the HVAC sector & for them to consistently deliver on all small to medium sized projects that we subcontract their way on time & budget, regardless of location.

Datum’s project management team provide a can do attitude & quick response time, which makes doing business with them a smooth process in which we can always rely.


Real Estate Company

I would like to take this opportunity and say thank you to Datum for all the hard work and dedication across various projects for us within our private and NHS Healthcare works.

We are pleased to see that Datum has expanded recently to keep up with the demand and provide excellence on their projects specially on MRI’s , CT’s and X-Ray’s.

Keep up the good work.


Building Service Company


Please contact one of the team, and find out how we can help.