Google's planning AI pilot cuts officer assessment time 58%, 70% of reports accepted unedited

nukebuddy · reddit · 2026-11-04

Google DeepMind's Oct 31 PlanAssist update reports a 58% reduction in officer time spent on householder planning assessments in a pilot with Barnet, Camden and Dorset councils. The tool checks documents and drawings, reviews planning policies and site constraints, and drafts cited reports; officers still decide. Over 70% of generated reports were accepted without edits.

The poster cautions the two numbers answer different questions: time saved is a productivity result, but unedited acceptance doesn't verify correctness — independent checks are needed. Twelve more councils join for a 12-month beta with live applications (15 total), and staffing/process changes mean waiting-time improvements can't be attributed to AI alone. Publishing error rates and rework alongside time saved would make results far easier to judge.

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