Removal of the existing window on the front elevation (basement level) and installation of double doors. Conversion of the cellar under the front garden into an external bathroom accessed from the main house via the lightwell. Works to include: Repairing brickwork to the cellar entrance, Lowering the floor level in the cellar and underpinning the walls, Lining the cellar walls with a cavity membrane, Inserting a new door to the cellar constructing new steps from the lightwell down to the cellar, Replacing an existing door with a door to match the adjacent doors