87 Calton Avenue London Southwark SE21 7DF
Alterations to front boundary treatment fronting the street. Addition of a roofed porch to match original and attached neighbouring house. Demolition of existing rear ground floor extension and replacement with a larger single storey extension retaining existing external terrace above. New basement construction under part of rear extension. Raising roof of rear outrigger and adding flush solar panels and conservation rooflights. Replacement of existing dormer window in rear main roof slope with a larger dormer window, and addition of conservation rooflight in side main roof slope. Addition of a small garden building to replace two existing garden buildings at the end of the rear garden.