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

28/09/2024 06:33:25

UK Postcode

LAMBETH-WALK-0823 , LONDON , SE11 4TZ

Baseline geo-coordinates

51.4939 , -0.108817

Survey type

31 days from the 1st date shown in the Evidence table below .

Assessment band

FREQUENT

Assessment actual value

14.46

Assessment description

Likely to encounter both 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: 12.0 --> Upper: 16.0

Volumes, Height bands, and Intensity.

For Assessment / Daily Avg. / Hourly Avg.

Count of ALL flights

3,907 / 126.0 / 7.4 ❌ (3,428)

Flights above 26k feet.

674 / 21.7 / 1.3 ✔

Flights between 16k and 26k feet

262 / 8.5 / 0.5 ✔

Flights between 13k and 15k feet

101 / 3.3 / 0.2 ✔

Flights between 7k and 12k feet

17 / 0.5 / 0.0 ✔

Flights between 6k and 7k feet

5 / 0.2 / 0.0 ✔

Flights between 5k and 6k feet

45 / 1.5 / 0.1 ✔

Flights between 4k and 5k feet

1,216 / 39.2 / 2.3 ❌ (320)

Flights between 3k and 4k feet

1,159 / 37.4 / 2.2 ❌ (271)

Flights below 3k feet

428 / 13.8 / 0.8 ✔

4 or more flights per hour

375 / 12.1 ❌ (218)

9 or more flights per hour

137 / 4.4 ❌ (91)

Departures between 1.5k and 15k feet

19 / 0.6 / 0.0 ✔

Time and Sleep Analysis

For Assessment / Daily Avg. / Hourly Avg.

0 AM

15 / 0.5

1 AM

7 / 0.2

2 AM

14 / 0.5

3 AM

12 / 0.4

4 AM

28 / 0.9

5 AM

55 / 1.8

6 AM

201 / 6.5

7 AM

186 / 6.0

8 AM to 9 PM

3,200 / 103.2 / 7.4

10 PM

103 / 3.3

11 PM

56 / 1.8

Other Noise Disturbance, Vibration and Emissions factors

Time in seconds an aircraft existed in the airspace bubble

25 ❌ (23)

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

43 ✔

Minimum avg. distance in miles

0.48

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

98.0 / 42.0 / 5.2 ❌ (78)

Flight holding stack identified?

No

Altitude for all flights

10,300 ❌ (16,286)

Altitude of departures between 1.5k and 15k feet

10,953 ✔

Altitude of flights below 20k feet

4,792 ❌ (8,018)

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

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

21.70

Thursday @ 18:00 - 4 time(s) in 4 weeks. Approx:12 flight events.

16.50

Monday @ 11:00 - 4 time(s) in 4 weeks. Approx:9 flight events.

16.00

Thursday @ 19:00 - 4 time(s) in 4 weeks. Approx:9 flight events.

15.90

Thursday @ 20:00 - 4 time(s) in 4 weeks. Approx:9 flight events.

15.30

Wednesday @ 19:00 - 4 time(s) in 4 weeks. Approx:9 flight events.

14.90

Wednesday @ 8:00 - 4 time(s) in 4 weeks. Approx:8 flight events.

14.50

Monday @ 12:00 - 4 time(s) in 4 weeks. Approx:8 flight events.