Belfast·SPG002 Development Viability·Page 49·10
Listed buildings and conservation areas viability
Where viability is claimed as justification for works to listed buildings or non-listed buildings in conservation areas, a full viability appraisal must be submitted with the planning application.
If viability is part of the justification for carrying out works to a listed building or non-listed building within a conservation area, a full viability appraisal should be submitted as part of a planning application.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/belfast/SPG002 Development Viability.pdf