After switching to the heritage sector, he became a senior archivist at the Berkshire Record Office. He subsequently set up the Greater London Historic Environment Record, before establishing the English Heritage Records Office. For 15 years he was Director of the National Monuments Record, the UK's largest historic environment and photographic archive, initially with the Royal Commission on the Historical Monuments of England and later with English Heritage. He was responsible there for many partnership, volunteer and engagement projects, some of which extended across Wales, England and Scotland. He was committed to ensuring that services were shaped by the needs of audiences, for example, the Heritage Gateway, Britain from Above and Images of England. He was UK representative on the European-Heritage.Net project.
He has published widely on the management of information and archives for the management and enjoyment of the historic environment. In a voluntary capacity, he is currently Chair of the Management Board of the Corpus of Romanesque Scupture based at King's College, London. He is also a Trustee of the Brecknock Society and Friends of Brecknock Museum and of the Glamorgan-Gwent Archaeological Trust.
Nigel holds a first degree in Literature and an MA in Social and Economic History. He also holds Diplomas in Archives Administration and in the History of Art, as well as a Certificate in Field Archaeology. He is a Fellow of the Society of Antiquaries, a Member of the Institute for Archaeologists and a Registered Archivist.
Nigel was born and brought up in Wales and is currently based in Brecon.