How Noisy Is Your Neighbourhood?
Check road, rail, aircraft and industrial noise levels for any UK postcode district. Free, instant results.
Top 10 Quietest Areas
| # | Postcode | Town | dB |
|---|---|---|---|
| 1 | SY25 | Tregaron | 29 dB |
| 2 | SY24 | Bow Street | 29 dB |
| 3 | SY23 | Aberystwyth | 29 dB |
| 4 | SY22 | Llanymynech | 29 dB |
| 5 | SY21 | Welshpool | 29 dB |
| 6 | SY20 | Machynlleth | 29 dB |
| 7 | SY19 | Llanbrynmair | 29 dB |
| 8 | SY18 | Llanidloes | 29 dB |
| 9 | SY17 | Caersws | 29 dB |
| 10 | SY16 | Newtown | 29 dB |
Understanding UK Noise Levels
Environmental noise is one of the most significant quality-of-life factors for UK residents. The World Health Organisation recommends daytime outdoor noise levels below 55 dB and night-time levels below 40 dB to prevent adverse health effects.
Across the UK's 2,289 postcode districts, the average environmental noise level is 53 dB — classified as Moderate. However, this varies enormously depending on proximity to major transport infrastructure, urban density, and industrial activity.
What Affects Noise Levels?
- Road traffic — the most common noise source, especially near motorways (M25, M1, M6) and A-roads
- Aircraft — areas under flight paths near Heathrow, Gatwick, Manchester and other airports experience significant noise
- Railways — mainline routes like the West Coast and East Coast Main Lines generate noise for adjacent communities
- Industrial activity — ports, factories and commercial zones contribute to local noise
Use the search box above to check noise levels for any UK postcode, or explore our guides on soundproofing your home, understanding how noise affects house prices, and how to report noise issues.
Guides & Tools
Flight Path Checker
Check if your area is under a flight path from Heathrow, Gatwick, Manchester and more
🛣️Motorway Noise
Which postcodes are affected by the M25, M1, M6 and other major motorways
🚂Railway Noise
Mainline and freight railway noise — which areas are most affected
🔇Soundproofing Guide
Windows, walls, floors — practical solutions to reduce noise in your home
🏠Noise & House Prices
How environmental noise impacts property values and what surveys check
📊Decibel Guide
What different dB levels sound like, WHO guidelines and health impacts
Noise Check FAQs
How do I check noise levels in my area?
Type your postcode district (for example SW11 or LS1) into the search box. Your district page shows the overall noise rating plus a breakdown by source: road, rail, aircraft and industrial. We cover 2,289 UK postcode districts and checking is free.
What is the average noise level in the UK?
Across the 2,289 postcode districts in our data, the average environmental noise level is 53 dB, which we classify as moderate. The World Health Organisation recommends daytime outdoor levels below 55 dB.
What is that loud noise near me?
A noise map cannot identify a one-off sound, but it can tell you what regularly makes noise in your area. Look up your postcode district to see its dominant noise source. If aircraft are the main source, the flight path checker shows which airport’s routes pass over your district.
Is there a free UK noise map?
Yes. NoiseCheck.uk is free to use and covers 2,289 postcode districts across England, Scotland, Wales and Northern Ireland, with road, rail, aircraft and industrial noise levels for each district plus county and town rankings.
More detail in the decibel guide and the flight path checker.
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