
Union House Southwark
Situated in Southwark on the intersection of Great Suffolk Street and Union Street, the iconic red brick Union House, historically a warehouse converted into offices, has undergone a substantial redevelopment.


135 Park Street will comprise 13,616m² of Grade A accommodation located in London’s South Bank. The development is an 12 storey building comprising 13,475m² (NIA) of office area over basement to eleventh floor and 141m² of retail area located on ground floor. The office HVAC consists of 4-pipe fan coil units and central fresh air ventilation systems. Hot water for space heating and chilled water for cooling is provided by multi-function air source heat pumps at roof level. Domestic hot water for office toilets and showers are served by water source heat pumps utilising the heating circuit as a heat source.

Situated in Southwark on the intersection of Great Suffolk Street and Union Street, the iconic red brick Union House, historically a warehouse converted into offices, has undergone a substantial redevelopment.

The building at 202 Hammersmith Road has been refurbished to offer 14,864ft² of high quality office accommodation, for which Watkins Payne supplied building services engineering and energy consultancy to achieve an EPC B rating.

This project is a mixed use office and retail scheme which consists of a new double height roof extension and new Green Wall on Carnaby Street located in the heart of London’s Soho.

Watkins Payne were commissioned to undertake the design and refurbishment of the 2 retail units, 15 residential units and office space.

Sustainability is incredibly important for the Client and as such the building is BREEAM ‘Outstanding’, WELL ‘enabled’ Gold, alongside WiredScore Platinum. In addition, the Design for Performance approach is been adopted in order to minimise operational energy and hence carbon emissions.

Skyline development for SEGRO plc provides well-connected Grade A logistics, distribution and warehousing facilities as it is adjacent to Heathrow Airport and the immediate motorway and rail networks.