Building works on a terraced house consisting of change of internal layout to increase room size from 2 to 4 including; lowering floors, moving stairs, moving rear door, adding obscure glass window to 1st floor rear, attic conversion with en-suite and a rear dormer to increase size of attic by a maximum 20 m3. rear dormer will have 2 windows - a rear facing window standard glass and a side facing window within the en-suite with obscure glass. The Dormer will not exceed the highest peak of the roofline and is stepped back from the eaves of a minimum 0.2m. The roadside of the house (front) will have no visual changes other than a new composite door.