Grow your Savings Sustainably

Start afresh and align your savings with your values. With Ecology, your money helps to fund sustainable energy efficient homes, community projects and co-housing, not deforestation, weapons or gambling.

Find out more

Switch your ISA to Ecology

Make more impact with your money. Transfer your existing Cash ISA to an Ecology Cash ISA, and join our movement to build a fairer, more sustainable world.

Switch to Ecology

Explore the Ecology Savings Hub

Your one-stop destination for all things sustainable savings. Discover inspiring stories, impactful projects funded by savers like you, and practical tips to make your money work for the planet. Ready to save for good? Let’s get started.

Savings Hub

Meet Pauline: Your Guide to Sustainable Saving

Pauline Crawford, our Savings Product Manager, knows everything there is to know about ethical savings that tackle climate change. Download your free Ethical Savings Guide and discover how to start saving more sustainably today.

Download the Savings guide

Why save with Ecology?

  • Ethical savings that work for you and the planet

    Your savings have the power to create real change. With our Ethical Savings Accounts, you’ll not only enjoy a fair return but also make a positive impact on the environment and communities across the UK. Whether you’re saving for a rainy day or planning for the future, choose from our range of ethical options, including Regular Savings, Easy Access, 35-Day Notice and our Ecology Cash ISA.

  • Savings for good

    When you save with Ecology, you’re helping to support projects that make a real difference. From community-led housing and energy-efficient home renovations to renewable energy developments and sustainable community projects, your money supports a greener, more sustainable future.

  • What we don't fund

    We believe in complete transparency about where your money goes – and where it doesn’t. By saving with us, you’ll never fund:
    • Fossil fuels
    • Mining companies
    • The arms trade
    • Deforestation, including in the Amazon

  • How we make a difference

    At Ecology, we use your savings to lend exclusively to projects that align with our commitment to sustainability. You’ll always know how your money is working to create a better planet – from reducing carbon emissions to building energy-efficient homes. Explore inspiring stories and projects funded by savers like you in the Ecology Savings Hub.

Our Savings Accounts

Ecology Cash ISA

A simple and transparent Cash ISA

A simple and transparent Cash ISA where you can pay in and withdraw whenever needed and save up to £20,000 this tax year. New rate of 3.25% tax free pa/AER from 28 May 2025.

Key Details

Current variable interest rate

3.50%gross* p.a. / AER**

Minimum amount to open the account

£25

Maximum investment for 2025/2026

£20,000

Withdrawal notice

None

35-Day Notice

A medium-term savings account

A medium-term variable rate savings account with a notice period of 35 days for withdrawals. Also available to open in a young person’s name or on behalf of a child. New rate of 3.20% gross pa/AER effective from 28 May 2025.

Key Details

Current variable interest rate

3.45%gross* p.a. / AER**

Minimum amount to open the account

£500

Maximum investment

£500,000

Withdrawal notice

35 Days

Easy Access

A simple and transparent account for unrestricted access

A simple and transparent savings account, pay in and withdraw whenever needed, save up to £500,000 and receive the same interest rate whatever your balance. Also available to open in a young person’s name or on behalf of a child. New rate of 2.70% gross pa/AER effective from 28 May 2025.

Key Details

Current variable interest rate

2.95%gross* p.a. / AER**

Minimum amount to open the account

£25

Maximum investment

£500,000

Withdrawal notice

None

Regular Savings

A limited-access account for
regular savers

A limited access monthly savings account, save between £10 to £250 a month up to a maximum of £3,000 per calendar year. Also available to open in a young person’s name or on behalf of a child. New rate of 3.35% gross pa/AER effective from 28 May 2025.

Key Details

Current variable interest rate

3.60%gross* p.a. / AER**

Minimum amount to open the account

£10

Maximum investment

£250per month

Withdrawal notice

None

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Our Customer Projects

Crofts Court by Oxfordshire Community Land Trust

Project: Community-led housing

Oxfordshire Community Land Trust’s mission is to help solve Oxfordshire’s housing crisis through the provision of permanently affordable homes, and to act as a positive example for other community land trusts throughout the UK.

We caught up with Fran Ryan, one of the founding members of the Oxfordshire Community Land Trust to talk about their Crofts Court project that Ecology Building Society supported through the provision of a mortgage.
Read it here
Jessie & George’s Story: Affordable People-Powered Housing

Project: Community-led housing

London-based artists Jessie and George wanted to find an affordable property that they could treat as a home, not just an investment. Given the pressures of London’s inflated housing market, it was a challenge for them to find somewhere suitable, their options eventually becoming limited to the city's outskirts. Keen to return to their community in the heart of London, they decided to look beyond the confines of the mainstream housing market.
Read it here
Andy & Lorna’s Story

Project: Renovation

Andy, an architectural designer, and Lorna, a charity development manager, wanted to improve the energy efficiency of their home, an old railway cottage in Hereford, as well as creating more space to accommodate their growing family.
Read it here

Start Saving for Good Today

Join thousands of savers who are growing their money while supporting a greener, fairer future. Ready to make a difference? Explore our ethical savings accounts and find the one that’s right for you.

Download our Sustainable Savings Guide