Reinstatement damages under Bellgrove v Eldridge are not limited to cases involving structural defects undermining the stability of a building; they are available wherever rectification works would not give the owner the equivalent of substantial performance of the building contract. Proposed rectification that leaves the owner carrying the risk of continued cracking and reduced earthquake protection is a 'doubtful remedy' that does not constitute a practical alternative to demolition and reinstatement. The possibility that the owner may choose not to demolish and rebuild is not an impediment to recovery of reinstatement costs.
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