Former County Durham Hospital, North Road, Durham

Planning permission-new building-alteration-conservation area-s72 of the Planning (Listed Buildings and Conservation Areas) Act 1990-world heritage site-listed building-grade II*-s16 or s66 of the Planning (Listed Buildings and Conservation Areas) Act 1990-conservation area appraisal-non-designated heritage asset-weight to be given to asset’s conservation-viable use consistent with conservation-less than substantial harm through development affecting the setting-optimum viable use-enhancing significance-economic benefits weighed against heritage conservation-sustaining significance-use of conditions or s106 agreement to secure recording.