The mortgage market saw a buoyant start to 2007, in terms of the number of products to choose from – growing 22% in the first six months. Since its peak in July, the total number of buy-to-let and residential mortgage products available has fallen 40% in just the last three months. While most of this change can be attributed to the sub prime market, seeing a 72% reduction in the buy-to-let market and a 54% cut in residential deals, prime residential products also fell by 16%.