Mace appointed to deliver one of London’s largest retrofit projects

Latest News Fri, Apr 11, 2025 6:20 AM

The global delivery consultants and construction experts, Mace have been appointed by JP Morgan Asset Management to deliver 65 Gresham Street - one of the largest building reuse projects in the City of London – with over 36,800m² of Grade A office, retail and ancillary spaces.

Prioritising a reuse first approach, the project will retain more than 70% of the existing building’s structure, with 95% of materials recycled or reused on-site, targeting a 66% reduction in whole-life carbon.

Fossil fuel free during construction and operation, the building will incorporate air source heat pumps for heating, cooling and hot water generation.

The redevelopment will feature four new lightweight floors added to the existing eight-storey structure, external terraces and inset balconies will provide outdoor space on every floor, while expanded entrances and relocated retail space will activate the streetscape. Extensive greening initiatives will increase biodiversity net gain by over 100%.

Ged Simmonds, Managing Director Private Sector, Mace Construct:This ambitious retrofit project exemplifies Mace's commitment to sustainable construction, showcasing innovative solutions that reduce environmental impact and set the standard for the next generation of sustainable offices.

“In the past five years we’ve seen a growing trend in the City of London for sustainability-driven, reuse focussed office developments."

Featured News

Specification news
Glenigan announces milestone Planning Portal...

Glenigan | Powered by Hubexo, the trusted provider of UK construction project data,...

Read More >>

Specification news
Housing developer levy funds fail to reach local...

The system designed to create new affordable housing and infrastructure through...

Read More >>

BUILDING PRODUCT LIBRARY - LATEST BROCHURES

Our product range at a glance... Brochure

Our product range at...
By Premier Loft Ladders...

Download Now >>

Your Specialist Partner in Composite Steel Roof & Floor Decking Brochure

Your Specialist Part...
By RMD Profiles Ltd

Download Now >>

PVC-U System Fully Reversible Windows by Epwin Window Systems Brochure

PVC-U System Fully R...
By Epwin window systems...

Download Now >>

Spectus Bevelled Windows and Doors Brochure

Spectus Bevelled Win...
By Epwin window systems...

Download Now >>

BUILDING PRODUCT DIRECTORY - LATEST PRODUCTS

Proctor Air
Proctor Air

Proctor Air® is an air permeable low resistance (APLR) underlay for pitched roof applications. ...

Read More >>

DUOFLEX
DUOFLEX

DUOFLEX is a high quality elastomeric bitumen, hot bonded to the substrate incorporating the fleece...

Read More >>

TECSOUND
TECSOUND

TECSOUND is a polymer based, bitumen-free, high-density synthetic membrane. The combination of its...

Read More >>

CONSTRUCTION VIDEOS - LATEST VIDEOS

Proctor Air® Product Explainer
Proctor Air® Product Explainer

Proctor Air® is an air and vapour permeable, highly water resistant roofing underlay. Its...

Watch Now >>

Discover the Power of Blue Roofs in Urban Flood Management
Discover the Power of Blue Roofs in Urban Flood Management

In this video, we explore how blue roofs are transforming urban landscapes by helping to mitigate...

Watch Now >>

RMD Profiles - UK Experts in Metal Decking, Design Installation
RMD Profiles - UK Experts in Metal Decking, Design Installation

At RMD Profiles, we’re more than just metal decking. From supply-only solutions to full design and...

Watch Now >>