The proposed development consists of 1. The conversion and extension of the attic level to the rear of both houses as a full floor, with 24 sqm. of habitable accommodation to each house, extended gable walls to the sides and a new flat roof. 2. The raising of the eaves height to the front of both houses by 215mm and the raising of the principal ridge height of both houses by 815mm. 3. The increase in height of the shared chimney to the front by 815mm. 4. The demolition of the existing shared chimney to the rear. 5. Installation of a new stairs window to the side gable of each house. 6. Minor internal alterations to accommodate a new attic stair. 7. All drainage, structural and associated site works.

The proposed development consists of construction of a first floor extension to the side and rear, rooflights and associated site works.