– All boroughs

Confident Planner

Tool to find the likelihood of a London planning application being approved

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– approved
All boroughs
Application type
Population density (ward)
Flood risk zone
Conservation area
Month validated
Day of the week validated
Years
Prediction model
Sample descriptions — click one to use it
  • Erection of a single storey rear extension and loft conversion with rear dormer to existing dwellinghouse.
  • Two storey side extension and part single storey rear extension, with new roof lights.
  • Change of use from retail (Class E) to a two-bedroom residential flat at first floor, with new shopfront.
  • Demolition of existing garage and erection of a two-storey, three-bedroom detached dwelling with off-street parking.
  • Installation of an air source heat pump to the rear elevation and solar PV panels to the roof.
  • Replacement of timber sash windows with double-glazed uPVC windows to the front elevation.
  • Conversion of a single dwelling into 3 self-contained flats, with associated cycle and refuse storage.
  • Prior approval for a larger home extension: single storey rear extension projecting 6 m, 3 m high.
  • Felling of one sycamore tree in a conservation area and crown reduction of two lime trees.
  • Display of one internally illuminated fascia sign and one projecting sign.
Approval rate
grey = fewer than 5 decided applications

About

Built at the House London #1 data hackathon. Won the 2nd place jury prize and the 2nd place people's choice prize. Source on GitHub.

Team

  • Andrei Thüler — GitHub · LinkedIn · Website
  • Amy Li — GitHub · LinkedIn
  • Anson Kong — GitHub · LinkedIn
  • Mark Fothergill — GitHub · LinkedIn · Website
  • Steven Li — GitHub · LinkedIn

Data sources

  • London Planning Datahub — applications and decisions (GLA, OGL v3)
  • postcodes.io — postcode → coordinates, borough, ward (OGL v3 / OS OpenData)
  • Historic England — conservation areas (OGL v3)
  • planning.data.gov.uk — flood risk zones (OGL v3)
  • ONS Census 2021 TS006 — population density (OGL v3)
  • OpenStreetMap — parks via Overpass (ODbL); basemap tiles © OpenStreetMap contributors
  • ONS Geoportal — borough boundaries (OGL v3)
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