Planes overhead in SM5

Sutton, London. 706 of its 707 postcodes measured, the ones in Sutton, January to August 2026.

From Heathrow

Planes land and take off into the wind, so the weather decides which way Heathrow flies, and that decides how many pass over SM5. Across its postcodes, January to August 2026:

The table counts the postcodes of each sector by how many planes pass over them a day: 100 or more, 10 to 99, or under 10.

Planes overhead from Heathrow in SM5, by postcode sector and the way Heathrow flies
SectorFlying west56% of daysBoth ways15% of daysFlying east29% of days
SM5 1197 postcodes197 at 10 to 99197 at 10 to 99197 under 10
SM5 2221 postcodes147 at 100+74 at 10 to 99221 at 10 to 99221 under 10
SM5 3163 postcodes31 at 100+132 at 10 to 99163 at 10 to 99163 under 10
SM5 4122 postcodes122 at 10 to 99122 at 10 to 99122 under 10
SM5 93 postcodes3 at 10 to 993 at 10 to 993 under 10

What counts as overhead

Overhead means more than halfway up the sky (48.5 degrees or more) and below 7,000 ft, the CAA's definition of an overflight (CAP 1498). A day counts as one way when 80% of its flights used that way.

Near SM5

SM1 SM6 SM2 SM3 SM4 CR4 KT4 CR7

The councils

Where these figures come from

Counted from community flight tracking, checked against the CAA's monthly totals for Heathrow. Flight tracks: adsb.lol (ODbL 1.0); Weather at each airport: Iowa Environmental Mesonet; Ground heights: Contains OS data © Crown copyright and database right; Postcode positions: ONS National Statistics Postcode Lookup (OGL). Licence: Open Database License (ODbL) 1.0.

How the planes are counted