Road & rail noise map for Bishop's Waltham
Town in Hampshire, South East
We analysed 417 postcodes in and around Bishop's Waltham, Hampshire against DEFRA's Strategic Noise Mapping (Round 4, 2022). 24% of them (101) have mapped road noise of 55 dB or more by day, and 0% have mapped rail noise. 76% of postcodes have no mapped road or rail noise at all — though that reflects major-source modelling, not guaranteed quiet. The highest modelled level we found is at SO32 1AH (road noise 65.0–69.9 dB by day).
Noise map of Bishop's Waltham
How many postcodes are affected?
Road noise
| Band | Day (LAeq,16h) | Night (Lnight) |
|---|---|---|
| 55.0–59.9 dB day · 50.0–54.9 dB night | 20% (83) | 5% (22) |
| 60.0–64.9 dB day · 55.0–59.9 dB night | 4% (17) | 3% (11) |
| 65.0–69.9 dB day · 60.0–64.9 dB night | <1% (1) | 0% (0) |
| 70.0–74.9 dB day · 65.0–69.9 dB night | 0% (0) | 0% (0) |
| 75.0 dB or more day · 70.0 dB or more night | 0% (0) | 0% (0) |
| Below mapped bands / not mapped | 76% | 92% |
Rail noise
| Band | Day (LAeq,16h) | Night (Lnight) |
|---|---|---|
| 55.0–59.9 dB day · 50.0–54.9 dB night | 0% (0) | 0% (0) |
| 60.0–64.9 dB day · 55.0–59.9 dB night | 0% (0) | 0% (0) |
| 65.0–69.9 dB day · 60.0–64.9 dB night | 0% (0) | 0% (0) |
| 70.0–74.9 dB day · 65.0–69.9 dB night | 0% (0) | 0% (0) |
| 75.0 dB or more day · 70.0 dB or more night | 0% (0) | 0% (0) |
| Below mapped bands / not mapped | 100% | 100% |
Share of the 417 postcodes within ~5 km of the Bishop's Waltham centre. Source: DEFRA Strategic Noise Mapping Round 4 (2022), Open Government Licence.
Noisiest postcodes in and around Bishop's Waltham
Check a specific postcode
Example searches: SO32 1AH · SO32 1BR · SO32 1AG · SO32 1AS · SO32 1BA · SO32 1HA
What this data does — and doesn't — cover
- Modelled, not measured.These are DEFRA's computer-modelled estimates (Round 4, 2022), not microphone readings at your door.
- Major sources only. The model covers major roads, major railways and large urban areas. Smaller local roads, neighbours, pubs, building sites and aircraft are not included.
- No mapped noise ≠ quiet. If a location shows no band, it means it falls outside the mapped contours — not that it is silent.
- 2022 snapshot.New roads, developments or traffic changes since 2022 won't show. The next DEFRA round is due around 2027.
More detail on the methodology page.
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Nearby areas
Frequently asked questions
- How noisy is Bishop's Waltham?
- We analysed 417 postcodes in and around Bishop's Waltham, Hampshire against DEFRA's Strategic Noise Mapping (Round 4, 2022). 24% of them (101) have mapped road noise of 55 dB or more by day, and 0% have mapped rail noise. 76% of postcodes have no mapped road or rail noise at all — though that reflects major-source modelling, not guaranteed quiet. The highest modelled level we found is at SO32 1AH (road noise 65.0–69.9 dB by day).
- Where is the most road noise in Bishop's Waltham?
- The postcodes with the highest modelled daytime levels in and around Bishop's Waltham are SO32 1AH, SO32 2LX, SO32 1HH, based on DEFRA's 2022 model of major roads and railways.