This digital archive comprises images from a suite of archaeological works between 2010 and 2011 that were undertaken in advance of construction of a Pressure Reduction Installation, near Tirley, as part of the Felindre to Tirley natural gas pipeline scheme. These works included geophysical survey, evaluation trenching, watching brief and excavation which identified and recorded archaeological remains ranging in date from the prehistoric through to the post-medieval period with an apparent focus of activity centred around the Roman period.