The demolition of 2 existing non period sheds, alterations to elevations and refurbishment of existing house and construction of part single storey and part 2 storey extension to side and rear of existing single storey dwelling, upgrading existing septic tank to a new biofiltration treatment plant, a new vehicular access and all associated site works - Extension of Duration to Permission granted under Planning Ref. No. 17/4031Decision record indexed