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 building Africa House along Kingsway near Holborn Station has been refurbished to offer 119,297ft² of high quality office accommodation, for which Watkins Payne supplied building services engineering, vertical transportation engineering, BREEAM duties and energy consultancy to achieve an EPC C rating.
The refurbishment provides office space, along with the ground floor being granted A1 retail use. High-level exposed services were designed to give an industrial warehouse feel. The offices are heated and cooled by independent variable refrigerant flow (VRF) air source heat pump systems and illuminated by suspended linear LED fittings.
The office building is targeting Energy Performance Certificate (EPC) rating of A.
St James’s Market Phase 2 is the “pioneer” related to the Design for Performance initiative and NABERS UK rating.
The Practice was responsible for designing and monitoring the refurbishment of the kitchen facilities.
The Fitzrovia W1 is an 88,000 sq. ft. mixed-use scheme at 247 Tottenham Court Road.