
The 90 Long Acre redevelopment scheme consists of a major refurbishment and extension of the existing 1980s building. The development is an 8 storey building comprising 20,988m² (NIA) of office area and 1,903m² of retail (A1,D1,D2 and SG) area located on lower ground – and upper ground floors.
The office HVAC consisting of a mixed-mode design with openable façade elements allowing for natural ventilation and cooling when available to the perimeter zones. Hot water for space heating is provided by air source heat pumps and chilled water for cooling is generated via air cooled chillers. Multi function heat recovery air source heat pumps are utilised during simultaneous heating and cooling conditions for high efficiency operation.

The Grade II listed 21 St James’ Square building has been refurbished to offer 89,000ft² of high quality office accommodation, for which Watkins Payne supplied building services engineering, vertical transportation engineering, energy consultancy to achieve an BREEAM ‘Very Good’ and EPC B rating.

This prestigious development is focused on delivering best-in-class workplace standards while achieving high levels of sustainability, occupant wellbeing and energy efficiency.

The mixed use development comprises two office buildings totalling 530,000ft² of high quality office accommodation together with a 162 unit residential scheme consisting of a 26 storey private apartment tower and affordable housing building. The scheme also includes retail units and a community arts facility. 10 Brock Street is the larger of the office buildings and Watkins Payne supplied building services engineering, vertical transportation engineering, BREEAM duties and energy consultancy to achieve BREEAM ‘Excellent’ and an EPC B rating.

6-10 Market Road is an office building which was originally constructed in 1989. Watkins Payne were commissioned to design a Cat B fit out refurbishment of the area for a single tenant.