London sits at City Score rank #40 with a standing of 59%, from 8 of 8 open-data pillars (tax, construction, connectivity, indoor air, water, seismic hazard, growth, safety). Missing pillars score at median standing so thin coverage cannot inflate the rank. Dropping 27 places versus 2022 (#13 → #40).
Latest owned placements: building permit value rank #7 of 25 (2025); indoor radon rank #224 of 327 at 85 Bq/m³ survey mean; residential mill rate rank #9 of 57 (16.76 mill rate). Full tables and method notes live on each study edition; atlas readings for the same slug open from the topic buttons.
Among Canadian cities on the hub, London carries a City Score standing of 59% (rank #40 of 343) with 8 of 8 pillars observed. That sits 6 points above the Ontario peer average across 123 ranked cities. Within Ontario, London ranks #26 of 123 on City Score.
The strongest signal in the current chart is drinking-water hardness (standing 79%, rank #271 of 343, raw score 119). The weakest observed pillar is property tax (standing 16%, rank #9 of 57). Crime severity uses the Statistics Canada police-service CSI mapped to London, Ontario (table 35100026), not a regional proxy.
Drinking-water hardness on the water atlas reads 119 mg/L as CaCO₃ for London. Compare that figure to the hardness pillar on the chart and to the national hardness guide on the hub.
