We love the idea of transforming our homes so much that an entire cottage TV industry has sprung out of it, ranging from Grand Designs, to Ugly House to Lovely House and Your Home Made Perfect. For Jaemi and Roly Glancy sketching out how they could renovate their properties turned into a start-up helping others envisage what they could do with theirs. Simon Lambert of This is Money speaks to Roly about how they started the business and where it's going.