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We are G15

The G15 is made up of 11 of London’s largest not-for-profit housing associations. Collective leadership is provided by the Chief Executives of each member organisation.

As an informal collective, we work collaboratively, sharing insight, aligning priorities, and developing best practice amongst members.

The Chair of G15 rotates every two years and is drawn from the Chief Executives of our members. The G15 is currently chaired by Ian McDermott, Chief Executive of Peabody. The vice-chair of G15 is Clare Miller, Group Chief Executive of Clarion.

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Ian McDermott

G15 Chair and Chief Executive of Peabody
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Clare Miller

G15 Vice-Chair and Group Chief Executive of Clarion
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Our member organisations are:

Who we are

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About us

The G15 is the collective voice of London’s largest housing associations. We’re 11 independent, charitable organisations, providing social and affordable homes for around one in 10 Londoners.
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Our mission

Our collective mission is to be a credible and practical expert voice on social and affordable housing in London.
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How we work

G15 brings together the chief executives of London’s largest housing associations. But behind that leadership are colleagues working together throughout our organisations.
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Projects and partnerships

The G15 collaborates with partners from across the private, public and voluntary sectors, delivering projects to support people and build communities.

What we do

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Colleague talent – Equality, Diversity and Inclusion

Great homes and strong communities are delivered by people with talent, passion, and lived experience. Our members are proud to work towards being employers of choice in the social housing sector.
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Meeting London’s housing needs

London faces unique housing challenges: rising homelessness, growing waiting lists, pressures on temporary accommodation, and a shortage of genuinely affordable homes. The G15 is already delivering at scale.
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Projects and partnerships

The G15 collaborates with partners from across the private, public and voluntary sectors, delivering projects to support people and build communities.
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Supporting people and communities

Through our community and development programmes we support over 13,000 people into training and employment each year.

Latest news

News and Comments

Ian McDermott, Chief Executive of Peabody and Chair of G15 has positively responded to the government’s announcement and commitment to delivering more social and affordable homes. Read his full statement here.

News and Comments

Housing associations and local authorities from across London came together at Peabody last week to explore how the social housing allocations system could work better for residents. The roundtable provided an opportunity to share challenges, understand different perspectives and identify practical ways to improve communication, information sharing and consistency across the allocations process. The discussion will inform wider work with Altair and the London Housing Directors’ Group
to develop and test practical recommendations and potential pilots across the sector.

News and Comments

G15 Chief Executives came together to discuss the findings of the State of the Capital 2026 report, exploring how recent government reforms can help unlock greater affordable housing delivery in London. The discussion highlighted the importance of devolution, flexible funding, partnership working and maintaining investor confidence to deliver the homes the capital needs. Read the summary and watch the full webinar here.

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