Change of use of existing factory building from use class B2 (general industrial) to B1 uses (office, research and development) with ancillary stores and showroom and external alterations. Erection of extension to existing building to provide office space (B1 use) and additional factory space (B2 use) for manufacture, assembly, servicing, and testing of self-propelled crop sprayers. Erection of a new building for associated use as shot blasting and paint spray booth. Use of site area for product testing area. Formation of ancillary roadways, additional car parking, boundary fencing, landscaping and associated foul and surface water drainage.