Almost 72 per cent of appeals determined during 2020 were dismissed, compared with just over 66 per cent in 2015, according to research by planning analytics platform Appeal Insight.
It found that in the past five years the overall dismissal rate rose by 1.7 per cent on average each year. Appeals involving minor dwellings had the highest dismissal rate, with 80.5 per cent dismissed.
The biggest change in dismissal rate since 2015 was for large dwellings, increasing from 53.7 per cent to 64.4 per cent.
Appeals involving large retail and services and general industry, storage and warehousing were the only development types to see a reduction in dismissal rates.