This report sets out the results from an archaeological watching brief undertaken in August 2015, which monitored the groundworks associated with change of use, alteration and extension of a one bedroom self contained residential annex to form a three bedroom separate residential dwelling not annexed to Wellington House to include erection of a single storey extension to south elevation at the Annexe, Wellington House, The Square, West End, Sheriff Hutton, North Yorkshire (SE 65097 66338; Planning Ref. 15/00001/FUL). The works associated with the erection of a detached residential dwelling and detached garage. No archaeological features, structures nor deposits were encountered during the archaeological watching brief.