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Four Seasons, Ten Trinity Square, City of London
Project summary
Sector
Hotels
Developer
Reignwood
Contractor
Tide
Volumetric manufacturer
Vision Volumetric
Key partners

Reignwood, Mace

Architect
Aukett Swanke
Location
City of London
Programme
18 months
Status
Completed in 2013
Homes
98-bedroom hotel and 38 high-end apartments
Site size
1,904m²
Storeys
4, plus 2 basement levels
Height
32.5m
Volumetric units
356
EPC
A
BREEAM
Excellent

Four Seasons, Ten Trinity Square

 

Tide has reinvented a historic London landmark as a luxury Four Seasons hotel and apartments, while restoring its Grade II* listed facade and historic ballroom to their former glory.

This technically complex scheme demonstrates the breadth of Tide’s construction expertise. The project involved converting the existing fabric of the former Port of London Authority headquarters – a Grade II* listed neoclassical building, completed in 1922 – and adding volumetric units to enable it to become a 98-bed hotel and 38 high-end apartments.

 
Project summary
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Tide worked closely with the local authority and heritage bodies to increase the floor space and add three new storeys beneath a zinc-clad roof. The project also involved the construction of a 15m deep, double-level basement adjacent to the listed building and the underpinning of the building’s main Corinthian-columned entrance, which had been subsiding toward the River Thames. The Portland stone exterior was cleaned and sandblasted, and behind this a new courtyard has been inserted, which hosts the lounge bar.

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Flexibility inbuilt

At the heart of the redevelopment is a modern, largely glazed three-storey extension installed on top of the neoclassical building. This new-build element follows the grid of the heritage structure and required a variety of internal spaces, which meant creating unusually large modules up to 5.4m wide. Our delivery of this critical part of the project is a testament not only to the flexibility of our structural system but also to our logistical expertise in transporting large loads into the heart of the city.

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A piece of history

Ten Trinity Square is a historic building, famous for hosting the first meeting of the UN General Assembly in 1946. Tide was responsible for carrying out painstaking refurbishment works, including to the UN Ballroom, where original features such as walnut panelling and rich carvings have been meticulously restored. The quality of the restoration was reflected in the project winning the City Heritage Award in 2019.

 
 
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