One Housing from the UK. One Housing is an English Housing Association with a portfolio of 15.000 homes in London and Southeast. The association is a not-for-profit that loves to make a profit. One Housing builds and sells new homes on the open market or rent them out commercially to raise money for more affordable homes and for services for their customers. Since 2011 they have delivered more than 1,500 new affordable homes and they plan to build 3,600 more by 2019 to help meet the housing shortage. One Housing offers a wide range of housing options including homes for social rent in partnership with local councils as well as homes for affordable rent, shared ownership, private rent and private sale.