Garden
Abbey House, Armagh
Armagh City, Banbridge and Craigavon, Northern Ireland
Managed Woodland
Aberdelghy
Lisburn and Castlereagh, Northern Ireland
Garden
Aberfoyle
Derry and Strabane, Northern Ireland
Park
Acton
Armagh City, Banbridge and Craigavon, Northern Ireland
Park
Aghnahoe House
Mid Ulster, Northern Ireland
Park
Alexandra Park, Belfast
County Antrim, Northern Ireland
Garden
Altinaghree Castle
Derry and Strabane, Northern Ireland
Garden
Altona
County Antrim, Northern Ireland
Garden
Ampertaine House
Mid Ulster, Northern Ireland
Park
Anderson Park
Causeway Coast and Glens, Northern Ireland
Garden
Antrim Castle
Antrim and Newtownabbey, Northern Ireland
Garden
Ardeen
Mid and East Antrim, Northern Ireland
Park
Ardess
Fermanagh and Omagh, Northern Ireland
Park
Ardilea
Newry, Mourne and Down, Northern Ireland
Park
Ardmore
Derry and Strabane, Northern Ireland
Garden
Ardnalea
County Down, Northern Ireland
Park
Ardnargle
Causeway Coast and Glens, Northern Ireland
Estate
Ardress
County Armagh, Northern Ireland
Garden
Ardvarney
Fermanagh and Omagh, Northern Ireland
Park
Armagh Manor
Fermanagh and Omagh, Northern Ireland
Park
Ashbrook
County Londonderry, Northern Ireland
Park
Ashfield Park
Mid Ulster, Northern Ireland
Garden
Ashville House
Antrim and Newtownabbey, Northern Ireland
Garden
Aughentaine
Mid Ulster, Northern Ireland
Park
Ballee House
Newry, Mourne and Down, Northern Ireland