“It was crucial to add a second storey, as my older kids Frankie (on the porch with Caroline McCredie) and Clementine, need their own space,” says Ben Milgate, at the gate with Mac.Credit: JENNIFER ...

Single storey extensions are amongst the most popular of ways to add extra space and value to a house – and it really isn't hard to see why. Unlike two-storey extensions, single storey designs ...