Housing associations are increasingly reluctant to commit to S106 purchases as a result of uncertainty around future grant funding post-2015, the Home Builders Federation (HBF) has warned.The warning was made in the HBF’s Autumn Statement submission to chancellor George Osborne ahead of his speech next week.The HBF said: “They are increasingly reluctant to commit to S106 purchases, so that home builders find themselves with very limited demand for these units.“This will hav...