You asked

Please disclose where the biggest housing association built is. Regarding how many houses built and how many were housing association.

We said

Thank you for your request.

Unfortuantely, we do not hold information reagrding the location of the largest housing association.

However, we can provide time-series data on new build dwellings for the countries of the United Kingdom and the English regions, on a quarterly basis.

The number of housing association completions does vary over time, but below are the latest quarterly figures. The full datasets can be found here:

https://www.ons.gov.uk/peoplepopulationandcommunity/housing/articles/ukhousebuildingdata/octobertodecember2019/relateddata

Figures are provisional and subject to revision, data are rounded to the nearest 10.

-Less than 5 dwellings .. Not available

Data for smaller geographies may be available from the individual producers of these statistics:

Sources and links to new dwellings statistics

Ministry of Housing, Communities and Local Government

Welsh Assembly Government

Scottish Government

Department of Finance (Northern Ireland)