Road & rail noise map for Dartmouth
Town in Devon, South West
We analysed 442 postcodes in and around Dartmouth, Devon against DEFRA's Strategic Noise Mapping (Round 4, 2022). 28% of them (124) have mapped road noise of 55 dB or more by day, and 0% have mapped rail noise. 72% 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 TQ6 0NE (road noise 65.0–69.9 dB by day).
Noise map of Dartmouth
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 | 19% (85) | 12% (55) |
| 60.0–64.9 dB day · 55.0–59.9 dB night | 7% (33) | 4% (16) |
| 65.0–69.9 dB day · 60.0–64.9 dB night | 1% (6) | <1% (1) |
| 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 | 72% | 84% |
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 442 postcodes within ~5 km of the Dartmouth centre. Source: DEFRA Strategic Noise Mapping Round 4 (2022), Open Government Licence.
Noisiest postcodes in and around Dartmouth
Check a specific postcode
Example searches: TQ6 9DQ · TQ6 9HS · TQ6 0NE · TQ6 9AH · TQ6 9HR · TQ6 9LW
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 Dartmouth?
- We analysed 442 postcodes in and around Dartmouth, Devon against DEFRA's Strategic Noise Mapping (Round 4, 2022). 28% of them (124) have mapped road noise of 55 dB or more by day, and 0% have mapped rail noise. 72% 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 TQ6 0NE (road noise 65.0–69.9 dB by day).
- Where is the most road noise in Dartmouth?
- The postcodes with the highest modelled daytime levels in and around Dartmouth are TQ6 0NE, TQ6 9HS, TQ6 9LW, based on DEFRA's 2022 model of major roads and railways.