Surrey Archaeological Society

No evidence of any archaeological features were found during the watching brief however test pits 8, 9 and 10 did display signs of modern disturbance which may have been associated with the landscaping of the grounds of the McLaren Production Centre (MPC) building.

Two phases of archaeological excavations were undertaken within the Tilly's Lane development area on the north side of Staines High Street. A single trench was excavated at Tilly's Lane East between April and June 1999, with two trenches at Tilly's Lane West - British Gas and High Street sites - between February and May 2000. All the trenches lay on the gravel island, though Tilly's Lane East and the British Gas site lay within early flood zones.

Evaluation trenching in advance of the construction of a new road revealed prehistoric flintwork and pottery and a post-medieval gully. Two skeletons had been discovered in earlier work by S E Winbolt.

An evaluation and small-scale excavation of a site at Egham High Street located a pit and a gully of prehistoric date, several features of medieval date including a cobbled yard surface and midden, and structural remains dating to the late medieval/post-medieval transition period.

In August 2012 Oxford Archaeology (OA) carried out a field evaluation on land at Dunsfold park, Dunsfold, Surrey on behalf of Bio Group Ltd. The evaluation comprised machine excavation of 8 trenches 60m long and 2 trenches 25m in length, all with a width of 1.6m. The evaluation found very little in the way of significant archaeological remains. Agricultural furrows were identified crossing the site, generally from west-north-west to east-south-east, but the only archaeological features were one pit (or tree-throw hole) and a north-south ditch that was located crossing two trenches.