Change of use from a existing vacant ancillary plant room serving the residential development (Use Class C3), into a sales suite to support the marketing and sale of the residential apartments within the wider development (Use Class E(g)(i). The sales suite will include a reception area, display and marketing boards, a meeting area for prospective purchasers, and associated staff accommodation including office space and welfare facilities. ancillary to the residential development, supporting the marketing and sale of the residential units within the wider developments.