Regent Street’s landmark sustainable office scheme, 7 Air Street, secures first letting

International consulting and professional services firm, Eden McCallum LLP, will move its UK HQ from Kensington to Regent Street, as  the first  company to sign up to Offices By Regent Street’s 7 Air Street office scheme, a project recently recognised as the UK’s most sustainable historic building.


23 November 2015

CGI of 7 Air Street exterior

7 Air Street is the first listed building to receive a BREEAM 2011 outstanding rating and the highest scoring office scheme against current BREEAM standards.

The 46,000 ft2 office refurbishment, forms part of The Crown Estate’s £1 billion investment in our Regent Street portfolio.

Hayley Turley, Asset Manager for Regent Street portfolio said: “This letting demonstrates the value that leading businesses place on great quality office headquarters where there is also an innovative approach to things like carbon reduction, energy efficiency and biodiversity.”

This letting demonstrates the value that leading businesses place on great quality office headquarters where there is also an innovative approach to things like carbon reduction, energy efficiency and biodiversity.”

Hayley Turley, Asset Manager, Regent Street Portfolio

Liann Eden, Eden McCallum said: “We’re committed to running a highly sustainable business and 7 Air Street fits perfectly with that ambition. The scheme will ensure our staff and clients benefit from high quality modern offices as well as the transport links and many amenities, shops and restaurants that make this part of London a great place to do business.”

Sustainable features of 7 Air Street include:

  • A highly effective building envelope, reducing normal heating and cooling requirements
  • An ecological roof incorporating flowers, vegetation, grasses and habitats for insects, birds and bats; this forms part of The Crown Estate’s ecology masterplan, which will see delivery of a hectare of new green space across our West End portfolio
  • Solar panels which provide carbon savings of up to 12%
  • Low energy air conditioning which uses 33% less electricity than standard solutions
  • LED lighting which uses 25% less energy than more typical installations
  • A unique central energy centre, powered by cutting edge fuel cell technology, which saves around 350 tonnes of carbon dioxide emissions each year whilst providing power to 500,000 ft2 of commercial and residential accommodation on Regent Street, including the Café Royal Hotel and the 20 Air Street office building.