Everything you wanted to know
The Building Societies Association was created in 1869 and it has too central functions. Firstly, the Building Societies Association is a central representative body for building societies and as a trade association represents building societies' mutual lenders and deposit takers (of which there are 53; their total assets are over £365 billion; they hold nearly £235 billion in residential mortgages which is 19% of the total outstanding in the UK).
The Building Societies Association's second main function is to act as the go-to point about the building societies' industry view for government, parliament and media bodies. Building societies themselves go to the Building Societies Association for advice on a range of issues that affect the operation of building societies..
The Building Societies Association's headquarters is located in London at the York House.