First Square Mile Development to Use Closed Loop Cooling

27 July 2023

The first geothermal borehole has been completed on the Salisbury Square Development, making it the first scheme in the Square Mile to use a standalone closed loop cooling and heating solution which removes the requirement of gas.

This is the first of more than 60 240m geothermal boreholes which are some of the deepest to ever be constructed in the City of London – over three-quarters of the height of The Shard.

The ground source heat pump solution system takes advantage of consistent temperatures deep underground and is the most energy efficient method of heating and cooling, with power sourced from renewable sources with no burning of fossil fuels.

Jeremy Eavis, Project Director for Mace Construct, the scheme’s main contractor said: “This network of 60 250m deep geothermal boreholes is the starting point for the ground-breaking installation of a closed loop system ground source heat pump in the City of London. This will mean the Salisbury Square Development will be off the gas grid, dramatically reducing its operational carbon.”

New Flagship Home for His Majesty’s Courts and Tribunal Services

The Salisbury Square Development is set to house a flagship facility for His Majesty’s Courts and Tribunal Services (HMCTS). With 18 courtrooms, the City of London Law Courts will combine all the Square Mile’s existing courts - except for the Old Bailey - into one building, designed to improve access to justice in line with the HMCTS reform programme.

A new headquarters for the City of London Police is also included in the scheme, as well as Grade A offices. The development is on track for completion in 2026 and is expected to support 21,000 jobs in the Square Mile.

Picture: a photograph of the drill used at the site to create the boreholes. Image Credit: Mace

Article written by Ella Tansley | Published 27 July 2023

Related Tags

AI Images Predict What London Skyline Will Look Like in 2030

The City of London Corporation has published new AI images that show the future skyline of the Square Mile, predicting what it will look like in 2030. Watch...

Read Full Article

New City Planning Guidance Will Require Detailed Carbon Information

Developers in the City of London will need to provide detailed carbon impact figures before submitting an application under new planning guidance. Under the advice...

Read Full Article

City of London Consults Developers on Light Pollution Strategy

The City of London Corporation is looking to implement requirements that restrict how buildings are lit in the Square Mile. The draft Lighting Supplementary Planning...

Read Full Article

CGI Images Show London’s Future Skyline

The City of London Corporation has released CGI images visualising how the Square Mile’s skyline will look by the mid-2020s. The new images capture all major...

Read Full Article

City of London Corporation Adopts New Net-Zero Light Pollution Guidance

The City of London Corporation Planning and Transportation Committee will formally implement requirements that restrict how buildings are lit in the Square...

Read Full Article

City of London to ‘Fast-Track’ Office Retrofits

The City of London is tackling the demand for high-grade office space by introducing a "retrofit fast-track" planning approach. A recommendation from...

Read Full Article

Schroders Submits Planning Application for 55 Bishopsgate Redevelopment

Schroders Capital Real Estate team has submitted a planning application for a new skyscraper in the City of London. The proposed scheme looks to open up the area...

Read Full Article

Lloyds of London Considers HQ Move From Iconic Building

Lloyds, the world’s largest insurance market, is considering moving from its 1 Lime Street headquarters, a site it has occupied since 1986. A spokesman for...

Read Full Article

Holborn Viaduct Offices Application Approved

An office-led development that sits across two levels on Holborn Viaduct and Farringdon Street has been granted planning permission. Royal London Asset Management has...

Read Full Article

What Went Wrong With London’s Tulip Skyscraper?

The high-tech skyscraper next to the Gherkin was supposed to be a new urban square for Londoners, but the government has rejected plans for its construction. The Tulip...

Read Full Article