Headland Archaeology (UK) Ltd undertook a geophysical (magnetometer) survey of a 3.7 hectare site on land east of Keyingham, East Yorkshire, to inform planning proposals for a proposed agricultural anaerobic digestion facility. The survey has successfully evaluated the site and identified three possible ditches along the proposed access corridor in the south-west of the site. Due to the narrow survey width along the access corridor no clear pattern is discernible in the magnetic dataset and the anomalies may be modern or agricultural in origin. However, they are interpreted as potentially archaeological due to their proximity to prehistoric and/or Roman cropmarks which are recorded on the Humber Historic Environment Record (HER). No other anomalies of likely archaeological potential have been identified across the site and therefore, on the basis of the geophysical survey, the archaeological potential of the site is assessed as low and locally moderate around the three ditches, broadly corroborating the conclusions of an earlier heritage assessment.