Planes overhead in SW17

Wandsworth and Merton, London. All 1,001 of its postcodes measured, 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 SW17. 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 SW17, by postcode sector and the way Heathrow flies
SectorFlying west56% of daysBoth ways15% of daysFlying east29% of days
SW17 0307 postcodes307 under 10304 at 10 to 993 under 1075 at 100+232 at 10 to 99
SW17 116 postcodes16 under 1016 at 10 to 9916 at 10 to 99
SW17 632 postcodes32 under 1032 at 10 to 9932 at 10 to 99
SW17 7217 postcodes217 under 10160 at 10 to 9957 under 10209 at 10 to 998 under 10
SW17 8207 postcodes207 under 10204 at 10 to 993 under 1027 at 100+180 at 10 to 99
SW17 9222 postcodes222 under 10222 at 10 to 99214 at 100+8 at 10 to 99

2 of its postcodes have a position ONS estimates, so their figures may be for a spot a few hundred metres away.

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 SW17

SW12 SW19 SW16 SW18 CR4 SW2 SW4 SW11

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