Key Challenges

  • Central London location
  • Achieving the required carbon savings
  • Integration of existing building and façade
  • Solar overheating
  • Rights of light
  • Reduced external plant
  • Building connectivity and utilities distribution
  • Proximity to Liverpool Street station

Aldermans House, London

Type: New Build
Architect: Rolfe Judd

We have designed the services for a new nine storey Cat. A 65,000 sq ft office building located on the corner of Bishopsgate and Liverpool Street. On the ground to third floors the new building retained the existing façades to two buildings on Bishopsgate and Liverpool Street and incorporated an extended floor area through the demolition of a third building. The building was extended vertically by adding an additional 6 floors that formed an elliptical shape to maximise rights of light to the adjacent buildings.

The building had to be designed to very stringent planning conditions that dictated the shape and envelope of the building.  Our key challenges was to design the Building Services to achieve a Carbon Saving of 11% over the Part L 2010 compliant baseline. The total carbon savings are achieved primarily through lean energy efficient measure saving a total of 7.1% and a further 4.0% through the implication of PV panels on the roof.

The building is targeting BREEAM ‘Excellent’ as well as allowing the client  to provide a multi tenanted occupancy.


The services solutions comprise of an energy efficient variable refrigerant heating and cooling system complete with full heat recovery capabilities. A number of ceiling mounted fan coil units were located within the a planked ceiling arrangement. Fresh air was provided by a central ventilation unit complete with heat recovery and inline heat pump unit to minimise the requirement of supplementary heating to the fresh air supply. The buildings also utilise solar photovoltaic panels on the roof to contribute to the carbon savings


By clicking 'Submit' you agree that we may contact you and process your information in accordance with our Privacy Policy.


St. Johns House
37-41 Spital Street

T: + 44 (0) 1322 225242
F: + 44 (0) 1322 227273


27-29 Cursitor Street

T: + 44 (0) 207 902 0160