Glenrothes, Fife: An Emergency Roof Replacement

Roof installation for a shed in Glenrothes, Fife. By August 20th, I need it completed. Here are the materials I need: a board, wood felt, and bitumen for attaching the felt. These are the measurements: 132" by 62"... (Budget: £200 - £250 GBP, Jobs: Building, Building Design, Building Engineering, Building Regulations, Carpentry, Construction, Installation, Roofing)