NIEA take the lead in advising on, and in implementing, the Government's environmental policy and strategy in Northern Ireland, carrying out a range of activities, which includes the protection of built heritage.
The Royal Commission on the Ancient & Historical Monuments of Wales (RCAHMW) was established in 1908 to make an inventory of the ancient and historical monuments of Wales.
The HHA represents over 1500 owners of historic houses and gardens on all issues that affect private ownership and the preservation of the houses, their contents and gardens.
The Victorian Society exists to protect and promote understanding and appreciation of the architecture and decorative arts of the period.