Demolition of an existing single storey timber clad gymnasium building. Construction of a two storey extension to the existing two storey ESO Building, including undercroft car parking, roof mounted plant and photovoltaic panels, ground level external plant area, alterations to the existing building envelope to form roof access, rooflights, windows and doors; and associated works including construction of an earth bunded drainage infiltration basin in the southern section of the site. The extension is to contain improved replacement gymnasium and welfare facilities, office space, laboratories, storage space, and operational consolidation.

Alterations to include conversion of hotel to holiday lets with the erection of first floor extension, changes to fenestration and two storey Northwest extension to create living space for Manager's Family and conversion of roof space to create an additional holiday let with associated works.

Erection of a new semi-detached dwelling and alterations to existing house comprising pitched roof to existing rear extension together with associated works and car parking to serve both properties.