Environment and Heritage Service Northern Ireland - The government agency protecting and conserving the natural and built environment explains its responsibilities and activities. www.ehsni.gov.uk
Planning Architecture Design Database Ireland - PADDI is a searchable bibliographic database on all aspects of the built environment and environmental planning in Ireland, north and south. www.paddi.net
The National Trust Northern Ireland - Descriptions and visitor information for the National Trust's historic houses, gardens, scenic coastal walks, countryside estates, beaches and industrial heritage properties. www.ntni.org.uk
Ulster Architectural Heritage Society - Promotes the appreciation and conservation of architecture from the prehistoric to the present in the nine counties of Ulster. freespace.virgin.net/mp.hearth
