1) “The value of a heritage asset to this and future generations because of its heritage interest. That interest may be archaeological, architectural, artistic or historic. Significance derives not only from a heritage asset's physical presence, but also from its setting."
Annex 2: Glossary, National Planning Policy Framework, Department of Communities and Local Government, 2012
2) “The sum of the cultural and natural heritage values of a place, often set out in a statement of significance.”
p72 Conservation Principles, English Heritage, 2008