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11 Hamilton Place forms the northern part of a larger Portland stone building, sharing its footprint with 140 Piccadilly – a landmark structure positioned on the corner of Hamilton Place, which historically served as the principal route into Park Lane. Built circa 1874 as a grand private residence, the building was joined with 140 Piccadilly by 1881 to become the Bachelor’s Club. Over the following decades, it transitioned through various uses, serving as a hotel and serviced flats before becoming offices in the 1950s. Since 1990, it has served as the London headquarters of the Olayan Group.
Architecturally, the building is a striking blend of Italianate and French Renaissance styles, characterised by ornate stone detailing, decorative stonework, balconies, and mansard roof features – all of which demanded the utmost care and sensitivity throughout the project.
A Tailored Window Solution for a Listed Landmark
TRC Contracts’ expertise in window refurbishment, new window installation, and secondary glazing made us well placed to deliver a solution that respected the building’s historic character while addressing the practical demands of a modern office environment. Taking responsibility for the complete design, supply, and installation works, our team developed a comprehensive strategy that carefully balanced the preservation of the building’s original fabric with the need for improved thermal performance, acoustic comfort, and long-term durability.
Project Details
A thorough inspection of the existing windows at 11 Hamilton Place identified a range of issues requiring immediate attention. Years of exposure to the elements had resulted in warped sashes and frames, rotten timber, peeling paint, and failing hardware. Beyond the visible deterioration, the existing single-pane glazing offered minimal thermal insulation, leading to uncomfortable draughts and high operating costs. The building’s location in a bustling city environment also meant that noise intrusion from heavy local traffic was negatively impacting the working environment.
To address these challenges, TRC Contracts implemented a considered, all-inclusive approach. Where possible, the original windows were preserved, with secondary glazing selectively introduced to deliver meaningful improvements to thermal and acoustic performance, without altering the building’s historic external appearance. Where windows were beyond repair or where improved functionality was essential, new high-performance, energy-efficient tilt and turn windows were installed.
Each new window was carefully selected to complement the existing architecture aesthetically, while offering superior thermal insulation, soundproofing, and ease of maintenance.
A Successful Restoration
This project stands as a strong example of TRC Contracts’ commitment to delivering tailored window solutions that meet the specific needs of each client. By combining traditional craftsmanship with contemporary technology, we were able to preserve the historic fabric of this important London building while bringing it fully up to the demands of a modern office space. The resolution of critical maintenance issues, alongside the introduction of meaningful performance upgrades, has also contributed positively to the long-term value of the property.
We are proud to have played a part in the successful restoration of 11 Hamilton Place and remain dedicated to providing clients with the specialist expertise their projects deserve.
