Evidence
Perfect Scale builds datasets from the public record of the planning system. The first covers small residential applications across London.
London Small Sites Planning Dataset
Residential planning applications for one to nine homes across all 33 London planning authorities.
Decisions from January 2023 onwards, recorded to a common method and refreshed quarterly.
Explore the dataset →14,600 applications · 11,694 decisions · 33 authorities
Other evidence
Small sites are the first area of study. Other parts of the housing system will be added where the public record can answer a useful question.