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, 90-Day Notice and Ecology Cash ISA 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


NaCSBA Gold Partner 2021


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. Please click here for further information or visit www.fscs.org.uk | FSCS Information Sheet

We’re Raising The Bar On Self- And Custom-Build Homes

POSTED ON 4 June 2021
We’ve increased the entry criteria for our range of sustainable mortgages for self- and custom-build in a drive to encourage and accelerate the construction of energy efficient homes to help meet the UK’s net-zero ambitions. The minimum energy rating level (or Standard Assessment Procedure (SAP) rating) has been raised to 88, for self-build ... Read more

Annual General Meeting 2021

POSTED ON 5 May 2021
Our 2021 AGM was held on Wednesday 28 April at Ecology’s offices in Silsden, West Yorkshire. Due to the ongoing uncertainty and restrictions members were unable to attend the AGM in person or vote on the day.  Instead, we transformed our straw bale meeting room into a television studio along with some directors joining remotely via a video ... Read more

Ecology Is First Building Society To Sign Up To The Net Zero Banking Alliance

POSTED ON 21 April 2021
We’re the first building society to sign up to the Net Zero Banking Alliance (NZBA) which is being launched today and joins the UN Race to Zero and forms the banking element of the Glasgow Financial Alliance for Net-Zero. The Net-Zero Banking Alliance (NZBA) is hosted by the United Nations Environment Programme Finance Initiative (UNEP FI). The ... Read more