Crawfordton Castle

Converting an old school into a new home and retaining the historic charm. PSA transformed this historic building into a luxurious country house. Our team tackled the unique challenges presented by the structure’s irregular shape and rich history, designing bespoke mechanical and electrical systems to meet the client’s vision. Our approach to thermal modelling and […]

Leyland Trucks

Refurbishment project for the iconic Leyland Trucks. Leyland Trucks, a historic name in British automotive manufacturing, embarked on an expansion project at their Lancashire facility. PSA, leveraging our expertise in mechanical and electrical engineering, partnered with Leyland to transform its office space. The project encompassed adding a new floor to existing offices, refurbishing current spaces, […]

TNT Depots – National

TNT embarked on an expansion of its depot network, PSA’s mechanical and electrical engineering experts were appointed to provide comprehensive design checks, verification, and site inspection services, ensuring the successful delivery of this complex project.     CLIENT: TNT VALUE: £5m LOCATION: Various SERVICES: Design checks & On-site inspections     CLIENT OBJECTIVES TNT’s project […]

South Rings Office Village – Preston

Achieving a BREEAM Very Good rating for the new energy-efficient office spaces was a key client objective, reflecting their commitment to environmental responsibility. Working closely with stakeholders, PSA delivered a comprehensive infrastructure solution, including utilities design, Building Regulations compliance, and street lighting.     CLIENT: Roundhouse Properties LOCATION: Preston, Lancashire SERVICES: Mechanical & Electrical Design […]

Thirlmere House – Warrington

United Utilities’ Thirlmere Building at Lingley Mere has undergone a complete internal refurbishment, creating a modern and comfortable workspace for its staff. Our mechanical and electrical design services helped deliver this £3million modernisation project. The project’s success is reflected in the positive response from staff who now benefit from an improved working environment.     […]

Sika Research & Development Laboratory – Preston

Pettit Singleton Associates (PSA) partnered with Sika Group, a global leader in construction materials, to design and oversee the mechanical and electrical systems for their new 3-storey, 1,100 m2 Research & Development Laboratory Facility. The project involved demolishing part of an adjacent building, constructing the new lab with specialised ventilation, weathering units, and spray booths, […]

Shap Health Centre – Cumbria Teaching Primary Care Trust

PSA provided Shap Health Centre with full mechanical and electrical design and supervision services for its new purpose-built NHS facility. The project incorporated modern healthcare amenities including a minor operations theatre, treatment rooms, pharmacy, and consulting spaces – all designed to improve community healthcare services.     CLIENT: Cumbria Teaching Primary Care Trust LOCATION: Penrith, […]

Slackwood Farmhouse – Silverdale

Delivering High-Quality Engineering Design for Farmhouse Conversion. PSA were employed to develop a creative and innovative design solution for the high-grade refurbishment of a Grade II listed farmhouse and barn. The project involved transforming the dilapidated structures into two self-contained house apartments and a function area, while preserving the historic character and meeting the strict […]

Gilpin Lodge – Windermere

Embracing Sustainable Hospitality. PSA delivered mechanical and electrical engineering design to help our client, Gilpin Hotel & Lake House, to achieve its sustainability goals with a hybrid heating solution.     CLIENT: Gilpin Hotel & Lake House LOCATION: The Lakes, Cumbria SERVICES: Mechanical & Electrical Design     CLIENT OBJECTIVES The Gilpin Hotel & Lake […]

Barton Grange – Preston

Barton Grange Garden Centre sought to reduce their environmental impact through renewable energy. Our team designed a substantial 400KW solar installation comprising 1,600 panels, generating 300,000 KWh of electricity annually. This clean energy solution now powers the award-winning garden centre’s operations, marking a significant step in their commitment to sustainability.     CLIENT: Barton Grange […]