Restoration of Len House and associated new build works to provide a mixed-use development comprising: (i) Retention with alterations and change of use of Len House to provide 3,612 sqm (GIA) flexible commercial floorspace within the following uses - retail, financial and professional, café or restaurant, drinking establishment, offices, clinic or health centre, crèche or day nursery, gymnasium or indoor recreational purposes uses (within classes A1/A2/A3/A4/A5/B1a/D1/D2 of the Town & Country Planning uses Classes Order) at ground floor, 18 No. residential apartments (C3) at first floor level, together with ancillary car parking. (ii) Erection of part rear first floor and two storey roof extension to provide 62 No. new residential apartments, with rooftop amenity space. (iii) Construction of two new buildings of up to 5-storeys to provide 79 No. residential apartments (C3) with amenity space. (iv) Provision of associated car parking, open space, earthworks including demolition of hardstanding and structures, and new boardwalk to north side, de-culverting the River Len and re-utilisation existing vehicular access points from Mill Street and Palace Avenue.