Dormer To Rear Roof To Create First Floor Bath Room; Size Internally Is 3.24 Sq. Meters Constructed Of Timber Frame Consisting Of 100 X 50Mm Timber To All Sides And Roof 100 X 100 Corner Posts Full Insulation To Cavity And 12.5Mm Plaster Board And Scrim Internally. Externally 100Mm Deep Plastic Cladding Facias And Guttering.