Headland Archaeology (UK) Ltd undertook archaeological observation of groundworks associated with the conversion of a redundant barn at Newnham Grounds, King's Newnham, Warwickshire, in response to a condition placed on planning consent. The existing building had been built over a foundation layer, with concrete surfacing to the south. Beneath the foundation layer was subsoil throughout, and to the north of the new footings topsoil immediately overlaid subsoil. The excavation of the foundation trenches removed the majority of the wall foundations, throughout the smaller structure and along the eastern length of the larger structure. No archaeological features or deposits were identified and no artefacts were recovered during the monitoring of the groundworks.