Correcting a mistake in an RPI rent review clause

Considers Monsolar IQ Ltd v Woden Park Ltd (CA), a landlord's appeal against a decision that there was a mistake in the drafting of the rent review clause in a lease of a site rented to the respondent tenant for use as a solar farm, where the revised rent was calculated by reference to the Retail Prices Index (RPI) such that the annual increase was the aggregated increase over all previous years of the term, rather than being relative to the previous year only. Provides a precedent RPI rent review clause.