
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.

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

Watkins Payne reviewed a number of mechanical and electrical options with the team, focusing on retention of key central plant, overhaul and replacement of plant where required, and LED lighting to reduce energy and improve the office environment.

Sustainability initiatives include LED lighting with occupancy detection and daylight dimming controls, solar thermal hot water heating, air source heat pumps and photovoltaic panels, resulting in an EPC rating of A and a Very Good rating under BREEAM New Construction (Industrial) 2014.

103 Colmore Row in Birmingham, has achieved a successful practical completion with BREEAM accreditation of ‘Excellent’, an EPC Rating A, and WiredScore rating of ‘Platinum’.

The office building has achieved a BREEAM ‘Excellent’ rating with ‘Very Good’ ratings for the retail units.