Save with us and you're helping to support sustainable development across the UK

Our accounts are simple and transparent – giving you the benefit of knowing where your money goes. We use your savings to make a positive environmental impact and give you a fair financial return. 

Our Easy Access, Regular Savings, Ecology Cash ISA and 35-Day Notice accounts are open to new applications.


Our savings accounts 


If you're planning an eco renovation, refurb or eco new build, talk to us

No matter if your project is straightforward or unusual, innovative or one that other lenders have rejected – if we can see an environmental benefit, we'll be interested in talking to you.

And if you need a mortgage for a property or project that will benefit local communities, you'll find we're keen to help.

If you are improving the energy efficiency of your property please see our discounts.

C-Change discounts

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Rated as an ethical Best Buy for our mortgages and savings


UntitledYour eligible deposits with Ecology Building Society are protected up to a total of £85,000 by the Financial Services Compensation Scheme, the UK's deposit guarantee scheme. Any deposits you hold above the limit are unlikely to be covered. Download the FSCS leaflet for further details or visit www.fscs.org.uk | FSCS Information Sheet

New ISA Transfer In Service

POSTED ON 11 June 2024
We’re pleased to launch our new ISA Transfer In Service. This means: New Ecology Cash ISA customers can bring across funds held in other Cash ISAs from previous tax years when opening their account. Existing Ecology Cash ISA holders can now transfer ISA funds held elsewhere from previous tax years to their Ecology Cash ISA. Visit the Ecology Cash ... Read more

Beat the tax year deadline for your ISA!

POSTED ON 20 March 2024
The deadline for using your ISA allowance this tax year is Friday 5 April. After this date, your allowance for 2023/24 is gone. To help you make the most of your allowance, we’ve summarised some key dates for you below. If you have any questions, just give our friendly savings team a call. Key deadlines and dates   Online Last day to apply ... Read more

Influencing global guidelines towards a net zero finance industry

POSTED ON 13 March 2024
In 2021, we became the first Building Society to join the Net Zero Banking Alliance (NZBA). NZBA was set up three years ago to support the banking sector in decarbonising its lending and investments to reach net zero by 2050. It has more than 140 members of different sizes and business models, operating all over the world. For us, being a member is ... Read more