Assessment ScoreCard – 31 Day

Assessment Scorecard headlines

All Assessments are based on an ambient background noise of 40 decibels i.e. a quiet residential area. If your property is located near to a busy road i.e. 70-75 decibels, the noise impact from aircraft will be significantly reduced, whilst the road remains busy.

Note: Airborne aircraft noise is typically in the range of 45dB - 65dB for heights below 26,000 feet and for a duration of 30-50 seconds. Whereas the average car, bus or HGV the duration is only a few seconds.

Date of survey

06/04/2025 18:35:56

UK Postcode

KIDBROOKE-SOUTH , LONDON , SE9 6AU

Baseline geo-coordinates

51.4537 , 0.033113

Survey type

31 days prior to: 06-Apr-2025 @01:10:38

Assessment band

REGULAR

Assessment actual value

11.24

Assessment description

Will encounter some night-time and day-time noise disturbances that are caused by high volumes of planes flying at at low altitude. Also expect a visual impact too.

Band range

Lower: 7.0 --> Upper: 12.0

Volumes, Height bands, and Intensity.

For Assessment / Daily Avg. / Hourly Avg.

Count of ALL flights

2,879 / 92.9 / 5.5 ✔

Flights above 26k feet.

768 / 24.8 / 1.5 ❌ (746)

Flights between 16k and 26k feet

160 / 5.2 / 0.3 ✔

Flights between 13k and 15k feet

58 / 1.9 / 0.1 ✔

Flights between 7k and 12k feet

35 / 1.1 / 0.1 ✔

Flights between 6k and 7k feet

36 / 1.2 / 0.1 ✔

Flights between 5k and 6k feet

315 / 10.2 / 0.6 ❌ (212)

Flights between 4k and 5k feet

185 / 6.0 / 0.4 ✔

Flights between 3k and 4k feet

23 / 0.7 / 0.0 ✔

Flights below 3k feet

1,299 / 41.9 / 2.5 ❌ (595)

4 or more flights per hour

282 / 9.1 ❌ (201)

9 or more flights per hour

40 / 1.3 ✔

Departures between 1.5k and 15k feet

74 / 2.4 / 0.1 ✔

Time and Sleep Analysis

For Assessment / Daily Avg. / Hourly Avg.

Between Midnight and 1am

4 / 0.1

Between 1am and 2am

10 / 0.3

Between 2am and 3am

5 / 0.2

Between 3am and 4am

9 / 0.3

Between 4am and 5am

32 / 1.0

Between 5am and 6am

57 / 1.8

Between 6am and 7am

96 / 3.1

Between 7am and 8am

199 / 6.4

Between 8am and 9pm

2,358 / 76.1 / 5.4

Between 10pm and 11pm

33 / 1.1

Between 11pm and Midnight

12 / 0.4

Other Noise Disturbance, Vibration and Emissions factors

Avg time in seconds an aircraft remained in the airspace bubble

22 ✔

Percentage of overflying occuring Out-Of-Hours and at Weekends

31 ✔

Minimum avg. distance in miles

0.73

Number of possible disruptions by; day / out-of-hours / hour

64.0 / 20.0 / 3.4 ✔

Flight holding stack identified?

Yes ❌

Altitude for all flights

12,595 ❌ (17,559)

Altitude of departures between 1.5k and 15k feet

10,684 ✔

Altitude of flights below 20k feet

4,147 ❌ (8,838)

Busiest times of day
(Distruption: 0 - low, 25+ high)

Day of week, time, frequency and number of flight events.

16.10

Fridays between 17:00 and 18:00 - 4 time(s) in 4 weeks. Approx:9 flight events.

14.50

Fridays between 18:00 and 19:00 - 4 time(s) in 4 weeks. Approx:8 flight events.

13.10

Fridays between 10:00 and 11:00 - 4 time(s) in 4 weeks. Approx:7 flight events.

12.70

Saturdays between 11:00 and 12:00 - 4 time(s) in 4 weeks. Approx:7 flight events.

12.20

Thursdays between 18:00 and 19:00 - 4 time(s) in 4 weeks. Approx:7 flight events.

11.80

Thursdays between 19:00 and 20:00 - 4 time(s) in 4 weeks. Approx:7 flight events.

11.30

Fridays between 9:00 and 10:00- 4 time(s) in 4 weeks. Approx:6 flight events.

10.80

Fridays between 15:00 and 16:00 - 4 time(s) in 4 weeks. Approx:6 flight events.

10.00

Fridays between 16:00 and 17:00 - 4 time(s) in 4 weeks. Approx:5 flight events.