Demolition of conservatory and construction of single storey rear flat roof extension

Non-material amendment (change of retaining wall structure from gabion wall to precast concrete blocks clad in natural stone) to planning permission ref. 20/00225/FUL - Demolition of existing side and rear extensions and chimney stack and construction of new single storey side extension and rear extensions. New external steps to front and side of property and new retaining wall to west facing boundary. External alterations including render to all elevations, addition/alteration of windows to front and side elevations, roof light to side elevation and formation of driveway to front/side of property (Resubmission of 19/00642/FUL)