In the 2016/17 financial year, 217,350 new homes were built & completed in England.
This resulted from:
183,570 new build homes
37,190 gains from change of use between non-domestic and residential
5,680 from conversions between houses and flats
720 other gains (caravans, house boats etc.)
offset by 9,820 demolitions.
Ref: Gov.uk