NP20 3SL maps, stats, and open data
NP20 3SL lies on Western Avenue in Newport. NP20 3SL is located in the Allt-yr-yn electoral ward, within the unitary authority of Newport and the Welsh Parliamentary constituency of Newport West. The Local Health Board is Aneurin Bevan University and the police force is Gwent. This postcode has been in use since June 1999.
NP20 3SL maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
NP20 3SL geodata
| Easting | 328466 |
| Northing | 187628 |
| Latitude | 51.582951 |
| Longitude | -3.033813 |
Where is NP20 3SL?
| Street | Western Avenue |
| Town/City | Newport |
| Country | Wales |
| Postcode District | NP20 |
NP20 3SL Elevation
Elevation or altitude of NP20 3SL as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 60m | 197ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Allt-yr-yn |
|---|---|
| Constituency | Newport West |
House Prices
Sales of detached houses in NP20 3SL
1A, WESTERN AVENUE, NEWPORT, NP20 3SL 2024 9 AUG £355,000 |
36A, WESTERN AVENUE, NEWPORT, NP20 3SL 2021 30 JUL £485,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to NP20 3SL
| Groves Road (Western Avenue) | Glasllwch | 29m |
| Groves Road (Western Avenue) | Glasllwch | 75m |
| Glasllwch Crescent | Glasllwch | 218m |
| Glasllwch Crescent | Glasllwch | 220m |
| Melbourne Way Turn (Western Avenue) | Glasllwch | 352m |
Nearest railway stations to NP20 3SL
| Newport (S Wales) Station | 2.4km |
| Rogerstone Station | 2.7km |
| Risca & Pontymister Station | 4.8km |
Broadband
Broadband access in NP20 3SL (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in NP20 3SL (2019 data)
Download
| Median download speed | 70.0Mbps |
| Average download speed | 80.9Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 7.0Mbps |
| Average upload speed | 6.0Mbps |
| Maximum upload speed | 11.47Mbps |
Broadband limitations in NP20 3SL (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
NP20 3SL gas and electricity consumption
Estimated total energy consumption in NP20 3SL by fuel type, 2015.
Gas
| Consumption (kWh) | 560,066 |
|---|---|
| Meter count | 36 |
| Mean (kWh/meter) | 15,557 |
| Median (kWh/meter) | 15,073 |
Electricity
| Consumption (kWh) | 106,911 |
|---|---|
| Meter count | 33 |
| Mean (kWh/meter) | 3,240 |
| Median (kWh/meter) | 3,164 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in NP20 3SL, for 2015.
- Meter count: The total number of meters in NP20 3SL.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
10.7% of Welsh postcodes are less deprived than NP20 3SL:Food Standards Agency
Three nearest food hygiene ratings to NP20 3SL (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to NP20 3SL
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Melbourne Way | 17:30 | 11:45 | 362m |
| Glasllwch | 17:30 | 11:45 | 444m |
| Coed Melyn | 17:30 | 11:45 | 836m |
NP20 3SL ITL and NP20 3SL LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for NP20 3SL:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL2 | East Wales |
| ITL 3 Code | Name |
| TLL21 | Monmouthshire and Newport |
| LAU 1 Code | Name |
| W06000022 | Newport |
NP20 3SL census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for NP20 3SL:
| Code | Name | |
|---|---|---|
| OA | W00008337 | |
| LSOA | W01001604 | Newport 012D |
| MSOA | W02000358 | Newport 012 |
Nearest postcodes to NP20 3SL
| NP20 3SP | Groves Road | 72m |
| NP20 3SF | Glasllwch Crescent | 150m |
| NP20 3PS | Glasllwch Lane | 168m |
| NP20 3SN | Western Avenue | 172m |
| NP20 3SE | Glasllwch Crescent | 210m |
| NP20 3PT | Glasllwch Lane | 244m |
| NP10 9DD | Tredegar Park View | 248m |
| NP20 3PR | Glasllwch Lane | 302m |
| NP20 3RA | Quebec Close | 306m |
| NP10 9DN | Parklands Close | 312m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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