Lorne Stewart Engineering

Retail and mixed use

Below is a selection of our retail and mixed use sector case studies. For further information, please contact us and we will deal with your request.

St Austell Town Centre Redevelopment
Client: White River
Value: £4 million
Main Contractor: Sir Robert McAlpine


One of the largest town centre re-developments in Cornwall for many years. St Austell Town Centre site is spread over five acres, the mixed-use scheme includes 14,400m² of retail space, restaurants and cafes, a four-screen cinema, 69 homes and a 550-space underground car park.

The project was design & build with Lorne Stewart employing Hulley & Kirkwood to undertake the mechanical and electrical services design.

Key highlights:

  • Specialist car park pulse ventilation
  • Dry sprinkler installation
  • Leadwork to stucture
  • Rainwater harvesting
  • Smoke extract ventilation
  • Fully monitored CCTV
  • Fire alarm
  • Self test emergency lighting system

55 St James Street
Client: Lothbury investments
Value: £2.2 million
Main Contractor: Galliford Try


55 St James Street is a mixed use development on a confined city centre site, comprising of high quality office space with additional residential accommodation. Lorne Stewart were contracted to provide the Mechanical, Electrical and Public Health Services for this prestigious and logistically challenging project in the centre of London. The scheme was successfully delivered within programme.

Key highlights:

  • Multi service installation
  • New build 43,000m2 high quality speculative office space and residential accommodation
  • VRF heating & cooling fan coil units
  • Intelligent control systems
  • Split tenancies
  • Challenging co-ordination
  • Logistically difficult riser install

Mercers' Yard, Covent Garden, London
Client: The Mercers' Company
Value: £2.2 million
Main Contractor: Osborne Construction


The redevelopment works of Mercers’ Yard comprised of the refurbishment of 13/14 Langley Street, an original Covent Garden warehouse, for a future flag ship retail store.

Three new mixed-use stand-alone blocks were constructed with retail and restaurant space at ground and basement levels. The new blocks open out to the new public space, which provides pedestrian walkways to link Mercer Street and Langley Street via a new piazza.

The upper floors of the blocks form 24 apartments, offering potential residents with the opportunity to live in a vibrant and popular area of London.

Key highlights:

  • CHP installations
  • Underfloor heating
  • Photovoltaics
  • Metering system
  • Fire alarm / CCTV / Intruder
  • MVHR ventilation
  • Heat interface units

Southwater Regeneration Programme, Horsham
Client: Horsham District Council
Value: £2.5 million
Main Contractor: Miller Construction


Lorne Stewart undertook the design and installation of ME&P services as part of the Southwater Regeneration Programme. The development comprised 113 apartments, 23 retail units and a new library, parish council and small business unit.

South Crescent Development, Tottenham Court Road
Client: City Of London
Value: £4 million
Main Contractor: Costain


Whilst having sympathetically retained the existing facades of this London address, the remainder of 227-233 Tottenham Court Road and 19-21A Store Street has been extensively refurbished and extended to provide retail space together with five floors of commercial office accommodation and eleven residential units all of which have been built to an exacting standard of quality. The former roofs of the existing buildings have been replaced with a fourth floor and gallery which has been designed to provide a modern commercial office working environment.

The main structural elements of Store Street have been retained and this building now houses the retail space and accommodation. The upper floors have been converted to provide eleven residential units.

Engineering Services:
The mechanical, electrical and plumbing engineering services associated with this project were designed, installed and commissioned by Lorne Stewart and included:

  • Packaged plant room
  • Lighting
  • Small power
  • BMS controls
  • Trench heating
  • Fire alarms
  • TV/Video entry access controls
  • CCTV
  • Intruder alarms
  • Addressable lighting controls
  • Multi-service chilled beams
  • LV distribution via rising bus bars
  • Energy metering
  • Sanitary ware provision
  • Under floor heating