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.

Removal of existing rear extensions. Erection of a single storey pitched roof rear extension and construction of a covered seating area. Works to include remedial works to roof of existing building along with rebuilding of all stone chimneys and new roof to detached lean to building, replacement of doors and windows, provision of air source heat pump and relocation of oil tank and external landscaping.

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 single storey extension to North elevation with glass linked entrance lobby and improved access with upgraded paths and the discharge of samples for stone walling, zinc roofing and window details.