
St Martin’s Courtyard
St Martin’s Courtyard is a beautiful open-air shopping and dining destination located in the heart of Covent Garden.


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.

St Martin’s Courtyard is a beautiful open-air shopping and dining destination located in the heart of Covent Garden.

Watkins Payne carried out the Independent Design Review role for Seal House, a commercial office development, located in central London.

All MEP systems within One Hanover Street are being fully replaced, with new services distributed through the upgraded risers to each office floor. The refurbished building will benefit from high-efficiency heat-recovery systems, LED lighting throughout, intelligent lighting controls, a common network system and new fan-coil units among other modern building services upgrades.

Nash House is located on the corner of Maddox Street and St George Street in London and was constructed in 1980s. The site is right in front of the Garde I listed Church of St George and stone throw away from famous Handover Square. Currently ground floor is occupied by a retail tenant where the lower ground, 1st floor to 5th floor is office accommodation.

The 47,900ft² area of The Smithson building in Farringdon was refurbished to high quality office accommodation, for which Watkins Payne supplied building services engineering, vertical transportation engineering and energy consultancy to achieve an EPC B rating. The refurbished area is spread across basement and ground floor.