Complex development involving both new build and refurbishment of an existing Grade II listed building, Elizabeth Garratt Hospital.

Development comprised 113,000 sq.ft. of net office space, 47 apartments providing both private and affordable housing accommodation, museum and retail space.

Sustainability initiatives included;

  • Future connection to the local community heating and power network within the borough
  • BREEAM Excellent
  • Carbon emissions lowered by 53% (GLA target 20%)

20% of energy required within the building serviced from renewable sources



Building/Street Name

Unison Headquarters, London

Area of Advice

Project and Development Management and Contract Administration

Project Value



14,800m2 (GEA)

Construction Period

18 months