Aircraft noise in Redhill (RH1, RH2)
Redhill experiences approximately 9 aircraft overflights per day, primarily helicopters and light aircraft, passing below 3,000 ft. London Gatwick Airport traffic adds another 4 overflights a day. Estimated peak ground noise reaches 75–88 dB. It ranks #15 of 29 Gatwick areas for aircraft noise exposure. (Flight Path Noise monitoring data, 36.7 days to 2026-08-23.)
Data: 36.7 days to 2026-08-23 · all tracked aircraft over Redhill · updated monthly
Where the noise comes from
Redhill hears traffic from 2 distinct sources:
Helicopters & other light aircraft
5 overflights/day (56%) · typically 1,000 ft
The more noticeable low traffic is local: Redhill Aerodrome sits on the town's doorstep, and its light aircraft and helicopters work the area at around 1,000 ft.
London Gatwick Airport
live map →4 overflights/day (44%) · typically 3,800 ft
Redhill town hears Gatwick mainly as departures climbing north at close to 4,000 ft — audible but high.
Light-aircraft counts are tracked overflights only — many training and private aircraft carry no ADS-B transponder, so true numbers are higher.
How nearby areas compare
| Area | Overflights / day | Rank |
|---|---|---|
| Smallfield | 17 | #7 |
| South Nutfield | 12 | #11 |
| Horley | 11 | #12 |
| Redhill | 9 | #15 |
| Reigate | 5 | #29 |
Common questions
- Is Redhill under a flight path?
- Yes — Redhill is directly under the area's flight paths, with around 9 overflights on a typical day, mostly a mix of arrivals and departures.
- Which airport's aircraft fly over Redhill?
- More than one source: other low-flying aircraft (~5/day), London Gatwick Airport (~4/day). The breakdown above shows each source's pattern.
- What time do planes start over Redhill?
- The first movements typically pass over Redhill around 10:17am, building through the morning peak.
- Is it quieter in Redhill on weekends?
- Weekends are actually busier here — about 28% more overflights than weekdays (11 vs 9 a day).
Checking a specific address?
This page shows area-wide averages. An address report gives you the exact overflight count, altitudes, hourly pattern and noise estimate for one property. Leave your email and we'll let you know when reports are ready for Redhill.