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Two Pillars · One Goal

Building strong foundations.
Connecting people & places.

TRAPEZIUM Community Investment is built on two parallel pillars: Financial Strength and Social Wellbeing. Just like the shape, one side supports the other to create a stable structure for everyone.

Become a Member → See How It Works
2parallel pillars
7community services
1shared mission
Finance with a purpose

Your savings at work.
Your community growing.

Economic stability and social care, working together in one cycle.

Financial Strengthsavings, loans, insurance, bonds
Social Wellbeinghomes, spaces, community health
Our Approach

Two sides. One goal.

We believe that economic stability and social care go hand in hand. Our financial services provide the resources, and our social projects build the future. They work together in a cycle, feeding each other to create lasting change and a better life for everyone in the community.

Pillar One

Financial Strength

We manage collective resources to ensure everyone has access to fair and ethical financial tools — saving, borrowing and investing together.

  • Savings, loans & insurance
  • Employment bonds & local capital
  • An alternative to high-interest lenders
Pillar Two

Social Wellbeing

We use our resources to create the environment and services that communities truly need — where people live, how they connect, and how they stay healthy.

  • Social housing cooperatives
  • Parks, gardens & public spaces
  • Accessible community health
Section 01

Community Investments.
Your money, working for you & your neighbourhood.

We manage collective resources to ensure everyone has access to fair and ethical financial tools. By saving and investing together, we create the capital needed to build a better community.

01

Savings

Secure, accessible accounts where you can grow your money with confidence. Every deposit helps fund local projects, so your savings work harder for the neighbourhood.

02

Loans

Fair and affordable credit available for homes, businesses, and personal needs. We provide an alternative to high-interest lenders, offering support rather than exploitation.

03

Insurance

Community-led protection schemes designed to keep families safe and secure. We help you plan for life’s uncertainties so you never face financial shock alone.

04

Employment Bonds

Investment opportunities that fund job creation and skills training. Investors receive returns while directly helping to create local employment and develop local talent.

Section 02

Social Impact.
Building places, supporting lives.

We use our resources to create the environment and services that communities truly need. We focus on where people live, how they connect, and how they stay healthy.

Housing
Project · Pillar Two

Social Housing Cooperatives

We develop and manage high-quality, affordable housing. But we go further: we empower residents to become part of a cooperative. This means communities have a real say in how their homes are managed, creating security, ownership, and stronger neighbourhoods.

Learn more →
Public Spaces
Project · Pillar Two

Public Spaces

Great communities need great places to meet. We invest in parks, gardens, playgrounds, and community centres. These shared spaces bring people together, improve wellbeing, and turn an area into a true neighbourhood.

Learn more →
Community Health
Project · Pillar Two

Community Health

Health is wealth. We support initiatives that make physical and mental health support accessible to all. From wellness programmes to care services, we ensure that wellbeing is a right, not a privilege.

Learn more →
Section 03 · How It Works

The cycle of support.

Two pillars feeding each other. Money builds places. Stable places make people ready to save, borrow and invest again. The cycle keeps moving.

Finance → Social

How investments feed social goals

Revenue and capital from our savings, loans, and bonds provide the funding needed to build houses, create parks, and run health services. The financial engine powers the social mission.

Social → Finance

How social goals feed investments

When people live in safe homes, enjoy beautiful public spaces, and are healthy, they become financially stable and confident. This trust means people are happy to save, borrow, and invest back into the fund — keeping the cycle moving.

Section 04

Where the money goes.
Who it reaches.

Real members. Real homes. Real outcomes. Every contribution flows into projects you can see and people you can name.

Members in a community discussion Forum
The monthly open assemblyMembers in Sheffield, Manchester & Leeds talking retrofit, finance and policy.
Retrofit work in progress Retrofit
Phase 1: 32 homesCavity-wall & loft insulation, member-funded.
Allotment mentor and member Allotments
The shared growing plotFood, biodiversity, and a place to meet neighbours.
Older member supported by a younger neighbour Care
Neighbours, not strangersBefriending & check-in rotas for older members.
Community kitchen serving food Outreach
Saturday community kitchen
Family moving into a co-op home Homes
Move-in day
Elected board meeting Governance
Elected board, in session
Membership working group Members
One member, one vote
Resident working from home At Home
Day-to-day, in our homes
Section 05

In their own words.

Members, partner cooperatives, researchers and councils — short notes on what working with TRAPEZIUM has meant.

“
The cavity-wall retrofit dropped our heating bills by nearly a fifth. But the real change was finally being asked what we wanted — instead of being told.
★★★★★
HO
Helen OkaforFounding resident · Sheffield
“
Their open bylaws saved us a year of legal work when we set up. We borrowed the structure, adapted it, and our co-op is running on it today.
★★★★★
TC
Tomás CabralCooperativa Habitar · Lisbon
“
The damp data Trapezium collected gave us evidence we couldn't ignore. Their case studies now sit in our planning toolkit.
★★★★★
CM
Cllr Catherine MasonHousing & Wellbeing Lead · Borough Council
“
I joined for the savings account. I stayed because my neighbours finally had names. The Saturday kitchen is the best thing on our street.
★★★★★
PA
Priya AhmedOpen Member · Manchester
“
As researchers, we rarely get such honest, longitudinal data from a resident-led source. The forum is a model for participatory housing science.
★★★★★
RM
Dr. Rosa MendozaUCL Housing Health Lab
“
We invested as a corporate sponsor because the governance was tight and the impact is auditable. Quarterly reports actually show the money working.
★★★★★
JK
Jonas KeitaFairLet Insurance · Corporate Sponsor
In a phrase

Finance with a purpose.

Get Involved

Help build a community that is stable, fair and well.

Save, borrow, insure, or invest with the Fund — and watch your money support homes, public spaces and health services on your own doorstep. Every contribution keeps the cycle moving.

Become a Member → Talk to the Fund