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
Flint Housing acquires additional 260 social rented...

Registered provider of social housing, Flint Housing, has secured the delivery of 260...

Read More >>

Specification news
Birmingham Repertory Theatre seeks main contractor for...

Birmingham Repertory Theatre is seeking a main contractor for its forthcoming capital...

Read More >>

BUILDING PRODUCT LIBRARY - LATEST BROCHURES

Paints & Coatings Brochure

Paints & Coatings
By F.H. Brundle

Download Now >>

Cedral Roofs Brochure Brochure

Cedral Roofs Brochur...
By Cedral by Etex

Download Now >>

Cedral Facades Brochure Brochure

Cedral Facades Broch...
By Cedral by Etex

Download Now >>

2026 Product Brochure Brochure

2026 Product Brochur...
By ​The Radiator Compan...

Download Now >>

System for Laying Floor and Wall Coverings Brochure

System for Laying Fl...
By FassaFloor

Download Now >>

BUILDING PRODUCT DIRECTORY - LATEST PRODUCTS

Aluminium Framing System
Aluminium Framing System

Benefits: Decking and BeyondThe benefits of aluminium framing systems: Why Outdure® Qwickbuild®...

Read More >>

Aluminium Fencing
Aluminium Fencing

When it comes to securing your property while enhancing its aesthetic appeal, few fencing solutions...

Read More >>

Adjustable Pedestals & Paving Supports
Adjustable Pedestals & Paving Supports

The smarter, faster way to lay perfectly level decking, paving, and flooring on any surface.Whether...

Read More >>

CONSTRUCTION VIDEOS - LATEST VIDEOS

Fortitude™ Steel Railing Systems: Adjustable Off-the-Shelf Balustrade Guide
Fortitude™ Steel Railing Systems: Adjustable Off-the-Shelf Balustrade Guide

Fortitude Steel Railings and Balustrades are one of the most versatile, off-the-shelf, steel...

Watch Now >>

Pro-Railing® Stainless Steel Handrail Systems: 6 Modern Balustrade & Glass Railing Solutions
Pro-Railing® Stainless Steel Handrail Systems: 6 Modern Balustrade & Glass Railing Solutions

Pro-Railing® – our Stainless Steel Handrail Component System with six stunning ranges to choose...

Watch Now >>

Why Professionals Choose Outdure QwickBuild | Aluminium Deck Frame Case Study
Why Professionals Choose Outdure QwickBuild | Aluminium Deck Frame Case Study

This case study explores a stunning designer terrace featuring the Outdure QwickBuild system,...

Watch Now >>