Extra key-worker sales would boost Barratt's home sales. Overall they were up in its half-year to 31 December with surging social housing sales compensating for an 8% fall in private sales at 5,610 homes. More Government spending would boost further the builder's social housing unit sales. Barratt is on course to sell 2,000 social housing units for the year to the end of June, up from 1,300 last year, Pretty said.