Optimum viable use
Enabling Development and Heritage Assets, Historic Environment Good Practice Advice in Planning Note 4, published by Historic England on 30 June 2020, states in relation to optimum viable use that: ‘if there is only one viable use, that use is the optimum viable use. If there is a range of alternative economically viable uses, the optimum viable use is the one likely to cause the least harm to the significance of the asset, not just through necessary initial changes, but also as a result of subsequent wear and tear and likely future changes.
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