Architectural Heritage Fund: www.ahfund.org.uk

BIH Housing Association: www.bih.org.uk

Environment & Heritage Service (DoENI): www.ehsni.gov.uk/

Georgian Group: www.heritage.co.uk/georgian/index.html

National Trust: www.nationaltrust.org.uk

Northern Ireland Housing Executive: www.nihe.gov.uk

Northern Ireland Federation of Housing Associations: www.nifha.org

Oaklee Housing Association: www.oaklee.org.uk

Society for Protection of Ancient Buildings: www.spab.org.uk

Timequest: www.niclr.com/timequest

UK Association of Building Preservation Trusts: www.heritage.co.uk

Ulster Architectural Heritage Society: www.uahs.co.uk

Victorian Society: www.victorian-society.org.uk