
5-7 Carnaby Street, Soho London
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.


St Jame’s Market Phase 2 will comprise an approximate 300,000ft² mixed use development. At the basement and ground floor will be retail and restaurant units together with two office receptions. Levels 1 to 7 will comprise new office accommodation served by two separate cores in order to provide flexibility for future leasing options. There will be two levels of basement housing plant, waste facility, cycle stores, changing room and shower facilities together with the usual building management space. Further plant areas are provided at roof level including for retail and office tenant’s use. At various levels of the building will be external terraces with a combination of private and communal use.
Sustainability is very high on both Client’s agenda including the team targeting BREEAM ‘Outstanding’ rating for the office accommodation and ‘Excellent’ rating for the retail space, along with a WELL Gold rating. The Crown Estate Development Sustainability Principles are being adopted throughout together with maximising amenity, biodiversity and renewable energy solutions.
The MEP services strategy for heating and cooling in all areas aligns with The London Plan in terms of utilising air source heat pumps with no burning of fossil fuel. In addition, the project is the “pioneer” related to the Design for Performance initiative and NABERS UK 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.

The speculative office space is fitted out to a Category A standard and will be British Council of Offices (BCO) Guide to Specification 2019 compliant. The refurbishment has adjusted the temperature control zones to pull them better in line with the BCO recommendations than currently provided.

The building has been transformed to provide a 133 bedroom hotel including car and cycle parking on site.

A purpose-built student accommodation scheme at Dundee Street Edinburgh.

The building at 1 New Burlington Place has been redeveloped to offer 183,000ft² of high quality office and retail accommodation, for which Watkins Payne supplied building services engineering, vertical transportation engineering and energy consultancy to achieve an EPC A rating. We also supplied BREEAM services and achieved a BREEAM Excellent rating for the development.

A wealth of experience in exposed services projects has enabled Watkins Payne to provide the highest level specification for the refurbishment of over 50,000ft² of office space at 101 New Cavendish Street in London.