Retention permission for the continuance of use of existing storage building for civil engineering materials and existing steel gated recessed entrance. Permission for new entrance doorway on the side (southeast) elevation serving the internal office, staff canteen, & meeting room with the installation of new windows and fire exit door to the rear (southwest) elevation; installation of proprietary wastewater treatment system and percolation area; staff car parking with one electric car charging point and covered bicycle parking and all associated site works.

Extensions to side and rear of dwelling; detached double garage; storage shed; new recessed entrance and upgraded wastewater treatment system.