The proposed works involve minor alterations to the rear elevation of Muller House, including three new openings. Kitchen Conservatory Connection: The existing window will be removed, and the opening enlarged to create a new doorway linking the kitchen to the conservatory. A second intervention involves removing an existing window and installing a timber door within the existing opening in the rear elevation. A New external stone walkway staircase will provide direct access to the garden. At basement level, the proposal includes replacing an existing window with a new door and enlarging the external light well (pit). A external staircase will provide direct access from the basement to the garden.