Housing partnership completes energy-efficiency upgrades to 906 social homes

22 June, 2026

More than 900 households across the Midlands and Wiltshire now have warmer homes and lower fuel bills following a £12 million energy-efficiency upgrade programme.

The Matrix Housing Partnership, comprising seven social housing landlords, including Trident, secured government funding in March 2023 to improve the energy performance of more than 900 homes.

Ruth Cooke, Chair of the Matrix Housing Partnership and Chief Executive of GreenSquareAccord (GSA), said:

With the project now complete, I am proud to say that 906 households are benefiting from lower fuel bills and more comfortable living spaces.

This has been achieved through our pioneering consortium model, which has enabled us to pool resources and share best practice throughout the project.

Across England, combined authorities are now leading consortia to deliver retrofit projects through the Warm Homes Fund, demonstrating the strength of our approach.

Trident Group Finance Director, David Harris, added:

Trident were proud to be part of this project and 32 of our properties in Lichfield and Birmingham benefitted from works that improved the warmth and cost of running their homes helping residents improve their quality of life.

The partnership secured funding from the Department for Energy Security and Net Zero (DESNZ) and worked together to upgrade more than 900 social homes.

The upgraded properties achieved a minimum Energy Performance Certificate (EPC) rating of C through a range of retrofit and decarbonisation measures. These included the installation of air source heat pumps, solar photovoltaic (PV) panels, cavity wall and external wall insulation, new windows and doors, loft insulation, and improvements to ventilation.

Caste Vale resident Mr Hubbard said:

The flat is much nicer, cleaner and warmer, and much nicer to look at. The improvements have made a big difference to comfort, energy efficiency and the overall look and feel of my home.

Mr Hubbard, a customer of The Pioneer Group, benefited from new windows, new doors and improved insulation.

Trident resident, Mrs Gallagher, who was interviewed previously, said:

I’m really pleased with how beautiful my home looks. We were even given a choice of door and I’m so pleased how it breaks up the home and looks so fresh. The site manager was so kind and top notch. It’s so much more peaceful too – can’t hear anything through the windows anymore.

Throughout the lifecycle of the project, the Matrix Housing Partnership was supported by GJK Consultants, which specialises in delivering programme management services relating to net zero and retrofit projects.

Gareth Keith, Director at GJK Consultants, which provided bid and strategic programme support to the Matrix consortium throughout the programme, said:

It was a pleasure to work with an innovative consortium of seven social housing providers of varying sizes that collaborated closely throughout. The consortium submitted its bid together and jointly tendered for and procured the same contractor, achieving economies of scale and delivering value for residents across the West Midlands and Wiltshire.

The Matrix Housing Partnership comprises GreenSquareAccord (GSA), Black Country Housing Group, Citizen Housing Group, The Pioneer Group, Rooftop Housing Association, Trent & Dove Housing, and Trident Housing Association.

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