LL57 3SL maps, stats, and open data
LL57 3SL lies on Cilfodan in Bethesda, Bangor. LL57 3SL is located in the Gerlan electoral ward, within the unitary authority of Gwynedd and the Welsh Parliamentary constituency of Arfon. The Local Health Board is Betsi Cadwaladr University and the police force is North Wales. This postcode has been in use since January 1980.
LL57 3SL maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
LL57 3SL geodata
| Easting | 262789 |
| Northing | 366953 |
| Latitude | 53.181930 |
| Longitude | -4.054717 |
Where is LL57 3SL?
| Street | Cilfodan |
| Locality | Bethesda |
| Town/City | Bangor |
| Country | Wales |
| Postcode District | LL57 |
LL57 3SL Elevation
Elevation or altitude of LL57 3SL as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 210m | 689ft |
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 | Gerlan |
|---|---|
| Constituency | Arfon |
House Prices
Sales of detached houses in LL57 3SL
2025 4 APR £235,000 |
WERNOS, CILFODAN, BETHESDA, BANGOR, LL57 3SL 2024 12 JUL £330,000 |
CAERONNEN, CILFODAN, BETHESDA, BANGOR, LL57 3SL 2024 10 APR £350,000 |
2016 24 FEB £204,000 |
2014 30 OCT £184,500 |
2009 14 AUG £135,500 |
CAERONNEN, CILFODAN, BETHESDA, BANGOR, LL57 3SL 1995 14 DEC £73,000 |
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 LL57 3SL
| Ysgol Penybryn (Frydlas Road) | Bethesda | 163m |
| Ysgol Penybryn (Frydlas Road) | Bethesda | 179m |
| Tan-y-gaer (Henbarc Road) | Bethesda | 365m |
| Adwy'r Nant (Adwy`r Nant) | Bethesda | 399m |
| Adwy'r Nant | Bethesda | 412m |
Broadband
Broadband access in LL57 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 | 7.1% |
| Percentage of properties with Full Fibre Broadband | 7.1% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in LL57 3SL (2019 data)
Download
| Median download speed | 35.3Mbps |
| Average download speed | 27.4Mbps |
| Maximum download speed | 43.37Mbps |
Upload
| Median upload speed | 2.6Mbps |
| Average upload speed | 2.3Mbps |
| Maximum upload speed | 3.67Mbps |
Broadband limitations in LL57 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% |
LL57 3SL gas and electricity consumption
Estimated total energy consumption in LL57 3SL by fuel type, 2015.
Gas
| Consumption (kWh) | 383,719 |
|---|---|
| Meter count | 26 |
| Mean (kWh/meter) | 14,758 |
| Median (kWh/meter) | 15,203 |
Electricity
| Consumption (kWh) | 76,746 |
|---|---|
| Meter count | 25 |
| Mean (kWh/meter) | 3,070 |
| Median (kWh/meter) | 2,346 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in LL57 3SL, for 2015.
- Meter count: The total number of meters in LL57 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
48.5% of Welsh postcodes are less deprived than LL57 3SL:Food Standards Agency
Three nearest food hygiene ratings to LL57 3SL (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to LL57 3SL
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Bontuchaf | 10:00 | 09:00 | 177m |
| Carneddi Post Office | 17:00 | 09:30 | 199m |
| Adwyr Nant | 16:40 | 09:00 | 409m |
LL57 3SL ITL and LL57 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 LL57 3SL:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL12 | Gwynedd |
| LAU 1 Code | Name |
| W06000002 | Gwynedd |
LL57 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 LL57 3SL:
| Code | Name | |
|---|---|---|
| OA | W00000366 | |
| LSOA | W01000071 | Gwynedd 003B |
| MSOA | W02000012 | Gwynedd 003 |
Nearest postcodes to LL57 3SL
| LL57 3SJ | Maes Yr Athro | 45m |
| LL57 3SG | Carneddi Road | 116m |
| LL57 3SN | Bontuchaf | 177m |
| LL57 3BH | Ffrydlas Road | 180m |
| LL57 3SB | Cilfoden Cottages | 197m |
| LL57 3BL | Ffrydlas Road | 199m |
| LL57 3SF | Tyn Y Coed | 230m |
| LL57 3SE | Carneddi Road | 234m |
| LL57 3PB | New Gerlan Road | 240m |
| LL57 3BN | Penybryn Terrace | 245m |
- 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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