Covers a range of topics relating to mortgages and the wider housing market.
Covers issues relating to savings accounts and payments.
Covers developments in conduct of business regulation
Covers issues relating to the corporate governance and constitution of building societies.
People related matters such as talent development, apprenticeships and diversity.
Internal and external accounting assurance and matters relating to tax.
The regulation and supervision of firms to ensure their safety and soundness under the remit of the Prudential Regulation Authority.
A new legal aid scheme to support borrowers at risk of repossession (member only content).
Building societies and credit unions are customer-owned mutual organisations. Their culture is focused on their members and communities and this influences their day to day decisions.
A wide range of statistics relating to the UK mortgage and housing markets.
Research, analysis and guidance about our members and the issues that affect them.
Retail savings data including net receipts and deposits, ISAs and interest rates.
Operational and financial information about building societies. Includes AGM & financial results and remuneration details.
Submission and publication deadlines for BSA data and reports.
Budget sees taxes rise for many households but does little to stimulate growth
News and views on topical issues from the BSA and guests.
View our latest press releases and comment here.
The BSA's quarterly magazine covers whats happening in the world of building societies, credit unions and the wider financial services sector.
A quarterly survey that assesses consumer sentiment regarding the UK property market.
View biographies and download photos of the BSA's key spokespeople
BSA speeches from events and seminars
BSA experts often appear as guests on industry podcasts.
View the latest webinars, training and other events open to members, associates and other stakeholders
View our latest BSA Annual Conference and comment here.
View our latest Past events & summaries and comment here.
Learn how to promote your event to the BSA's membership.
Preparing for successful regulatory visits (28 & 29 January 2026)
Find factsheets on mortgages, savings and the building society sector.
Track building societies that no longer exists and get a link to its successor's website.
Find mortgage instructions and specific requirements setting out individual building society policies.
The UK Savings Week campaign aims to get people engaged in saving.
Toolkits to develop Workplace Savings are available here.
Here you can find our publications, responses to consultation documents, mortgage instructions, statistics and sector job vacancies.
Find out more about the BSA and the sector.
Contact details for each of our 49 members.
Our Associate members include a wide range of companies from insurers, banks, accountants, solicitors, and other business suppliers to BSA members.
The National Credit Union Forum (NCUF) is the Credit Union Committee of the BSA.
Find out how building societies have purpose beyond profit
Vacancies for senior management, executive and other positions at the BSA and its member organisations
Find out the wide range of benefits of joining the BSA as an associate member.
Details of the BSA pension scheme
Find out about this small charitable trust and the process for applying for charitable grants
The Building Societies Association is the voice of the UK's building societies.
Susan Allen, Chief Executive of Yorkshire Building Society, and Caroline Domanski, Chief Executive of No1 CopperPot Credit Union, have taken on the roles, working alongside the BSA Chair, Simon Taylor, Chief Executive Sarah Harrison, and the wider BSA Council.
Susan has worked in the Financial Services industry for over 30 years and has extensive experience across Retail Banking, Corporate Banking, Global Banking, Operations and strategic roles with a specific focus on transformation and business leadership.
Susan joined Yorkshire Building Society as CEO in March 2023 from Barclays where she was Head of Customer Transformation and a member of the Barclays UK Executive Committee.
Susan was previously the CEO of Retail & Business Banking at Santander UK and an Executive Director. Prior to joining Santander UK, Susan held a number of significant roles at RBS.
Throughout her career, Susan has been a champion of diversity and inclusion, being recognised by the British LGBT+ Award in 2020 for her corporate allyship with Santander’s LGBT network. Susan is on the Board of Trustees for the Alzheimer’s Society, contributing to the Society’s strategic direction and activities. Susan is also a non-executive director at TheCityUK and sits on the Council of the Building Societies Association as Deputy Chair.
Caroline Domanski MBE - CEO, No1 CopperPot Credit Union and BSA Deputy Chair
Caroline has spent more than 20 years working within credit unions, developing deep expertise in governance, strategy, and the role mutuals play in building fair, resilient financial systems. She currently serves as Chief Executive of No1 CopperPot Credit, working alongside the Board to ensure the organisation remains forward-thinking, innovative, and firmly centred on the needs of its members.
Caroline is the first credit union representative to be appointed to the Building Societies Association Council, where she brings the perspective of the wider international mutual movement into strategic sector discussions. From January 2026, she will serve as Joint Deputy Chair of the BSA.
Alongside her executive leadership, Caroline regularly represents credit unions across the financial services landscape engaging with policymakers, regulators and sector bodies to ensure credit unions are recognised as a sustainable and essential part of the UK financial system. She has contributed evidence to parliamentary groups, participates in PRA and FCA sector roundtables, and sits on the PRA Practitioner Panel.
Caroline holds an undergraduate degree in Financial Services and the BSA’s Masters in Leadership, she is passionate about developing the next generation of leaders in the mutual sector. Her contribution has been recognised nationally and internationally, including receiving the UK National Young Leader of the Year Award, an international scholarship from the World Council of Credit Union’s, and by being awarded an MBE in the 2020 New Year Honours.
The Building Societies Association (BSA)
The BSA represents all 42 UK building societies, including both mutual-owned banks, as well as 7 of the largest credit unions. Building societies and mutual-owned banks have total assets of almost £677 billion and together with their subsidiaries, hold residential mortgages of £493.4 billion, 29% of the total outstanding in the UK. They also hold £495.6 billion of retail deposits, accounting for 23% of all such deposits in the UK. Building societies and mutual-owned banks account for 47% of all cash ISA balances.
With all of their headquarters outside London, building societies employ around 52,300 full and part-time staff. In addition to digital services, they operate through approximately 1,300 branches, holding a 35% share of branches across the UK.