Wren data sources: every constraint, fee and policy citation traced to its publisher.

01 · Planning

Planning policy, applications & decisions

Every planning application, appeal and adopted local-plan policy in England, assembled from the national registers, so a site's full planning history reads at a glance.

02 · Heritage

Heritage & conservation

Listed buildings, scheduled monuments, registered parks and conservation areas, drawn straight from Historic England and the local registers.

03 · Ecology

Environment, ecology & landscape

Statutory designations and habitats, from SSSIs and ancient woodland to priority habitats and biodiversity net gain, sourced from Natural England and Defra.

04 · Flooding

Flooding & water

Flood Zones 2 and 3, surface-water risk and live flood warnings, mapped along every watercourse from the Environment Agency's own data.

05 · Transport

Transport & access

The road network, public-transport access points and walking isochrones, so access and movement can be assessed without a separate study.

06 · Ownership

Land ownership & title

Freehold parcel boundaries, corporate and overseas ownership and price-paid history, from HM Land Registry's published datasets.