The LL57 4 postcode sector is within the county of Gwynedd.
Did you know? According to the 2021 Census, the LL57 4 postcode sector is home to a bustling 5,821 residents!
Given that each sector allows for 400 unique postcode combinations. Letters C, I, K, M, O and V are not allowed in the last two letters of a postcode. With 223 postcodes already in use, this leaves 177 units available.
The largest settlement in the LL57 4 postal code is BANGOR followed by TREGARTH, and LLANDYGAI.
The LL57 4 Postcode shares a border with LL55 3 (DEINIOLEN, PENISARWAUN, DINORWIG), LL56 4 (Y FELINHELI), LL57 1 (BANGOR, MAESGEIRCHEN), LL57 2 (BANGOR, PENRHOSGARNEDD, YSBYTY GWYNEDD) and LL57 3 (Bethesda, RACHUB, CARNEDDI).
The sector is within the post town of BANGOR.
LL57 4 is a postcode sector within the LL57 postcode district which is within the LL Llandudno postcode area.
The Royal Mail delivery office for the LL57 4 postal sector is the Bangor (ll) Delivery Office.
The area of the LL57 4 postcode sector is 16.94 square miles which is 43.88 square kilometres or 10,841.98 square acres.
Map of the LL57 4 Postcode Sector
Explore the LL57 4 postcode sector by using our free interactive map.
| L | L | 5 | 7 | - | 4 | X | X |
| L | L | 5 | 7 | Space | 4 | Letter | Letter |
Official List of Streets
Mynydd Llandygai (7 Streets)
Rhiwlas (11 Streets)
BANGOR (31 Streets)
Tregarth (22 Streets)
Glasinfryn (1 Streets)
St. Anns Bethesda (2 Streets)
Pentir (1 Streets)
Bethesda (3 Streets)
Unofficial Streets or Alternative Spellings
Bethesda
BRYN BELLAMynydd Llandygai
L�N Y GRUGBANGOR
AINON ROAD LLYS ADDA L�N Y BEDW PENCHWINTAN ROAD PENRHOS ROAD WEST ENDRhiwlas
HAFOD L�NWeather Forecast for LL57 4
Press Button to Show Forecast for Bangor (Gwynedd)
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 21:00 to 00:00 |  | Clear night | 6.0°C (feels like 5.0°C) | 0.00% | WSW 4 mph |
Press Button to Show Forecast for Bangor (Gwynedd)
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 |  | Cloudy | 6.0°C (feels like 5.0°C) | 4.00% | WSW 4 mph |
| 03:00 to 06:00 | | Cloudy | 6.0°C (feels like 5.0°C) | 4.00% | WSW 4 mph |
| 06:00 to 09:00 |  | Partly cloudy (day) | 7.0°C (feels like 6.0°C) | 1.00% | NW 4 mph |
| 09:00 to 12:00 |  | Sunny day | 9.0°C (feels like 6.0°C) | 0.00% | NE 11 mph |
| 12:00 to 15:00 | | Sunny day | 9.0°C (feels like 7.0°C) | 0.00% | NE 9 mph |
| 15:00 to 18:00 | | Sunny day | 10.0°C (feels like 8.0°C) | 0.00% | NNE 7 mph |
| 18:00 to 21:00 | | Sunny day | 9.0°C (feels like 8.0°C) | 0.00% | N 4 mph |
| 21:00 to 00:00 | | Clear night | 5.0°C (feels like 3.0°C) | 1.00% | WNW 4 mph |
Press Button to Show Forecast for Bangor (Gwynedd)
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 |  | Partly cloudy (night) | 5.0°C (feels like 3.0°C) | 1.00% | WSW 4 mph |
| 03:00 to 06:00 | | Cloudy | 5.0°C (feels like 3.0°C) | 5.00% | WSW 7 mph |
| 06:00 to 09:00 | | Cloudy | 7.0°C (feels like 4.0°C) | 5.00% | W 7 mph |
| 09:00 to 12:00 | | Cloudy | 9.0°C (feels like 6.0°C) | 7.00% | NW 11 mph |
| 12:00 to 15:00 | | Cloudy | 9.0°C (feels like 7.0°C) | 7.00% | NW 9 mph |
| 15:00 to 18:00 | | Cloudy | 10.0°C (feels like 8.0°C) | 7.00% | NW 9 mph |
| 18:00 to 21:00 | | Cloudy | 9.0°C (feels like 7.0°C) | 7.00% | NW 7 mph |
| 21:00 to 00:00 | | Cloudy | 7.0°C (feels like 5.0°C) | 9.00% | NNW 4 mph |
Press Button to Show Forecast for Bangor (Gwynedd)
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 | | Cloudy | 6.0°C (feels like 4.0°C) | 11.00% | NW 4 mph |
| 03:00 to 06:00 |  | Overcast | 6.0°C (feels like 4.0°C) | 13.00% | NE 7 mph |
| 06:00 to 09:00 | | Overcast | 6.0°C (feels like 4.0°C) | 12.00% | NNE 7 mph |
| 09:00 to 12:00 | | Cloudy | 8.0°C (feels like 6.0°C) | 10.00% | NNE 9 mph |
| 12:00 to 15:00 | | Overcast | 9.0°C (feels like 7.0°C) | 14.00% | E 9 mph |
| 15:00 to 18:00 | | Cloudy | 9.0°C (feels like 7.0°C) | 11.00% | NE 9 mph |
| 18:00 to 21:00 | | Cloudy | 9.0°C (feels like 7.0°C) | 12.00% | NNE 9 mph |
| 21:00 to 00:00 | | Cloudy | 7.0°C (feels like 5.0°C) | 10.00% | NE 9 mph |
Press Button to Show Forecast for Bangor (Gwynedd)
| Time Period | Icon | Description | Temperature | Rain Probability | Wind |
|---|---|---|---|---|---|
| 00:00 to 03:00 | | Cloudy | 6.0°C (feels like 4.0°C) | 9.00% | NNE 9 mph |
| 03:00 to 06:00 | | Cloudy | 6.0°C (feels like 3.0°C) | 11.00% | NNE 9 mph |
| 06:00 to 09:00 | | Cloudy | 6.0°C (feels like 4.0°C) | 9.00% | NE 9 mph |
| 09:00 to 12:00 | | Cloudy | 9.0°C (feels like 6.0°C) | 12.00% | NE 11 mph |
| 12:00 to 15:00 | | Cloudy | 10.0°C (feels like 8.0°C) | 14.00% | NE 11 mph |
| 15:00 to 18:00 |  | Light rain shower (day) | 11.0°C (feels like 8.0°C) | 38.00% | NE 11 mph |
| 18:00 to 21:00 | | Light rain shower (day) | 10.0°C (feels like 7.0°C) | 42.00% | NNE 11 mph |
| 21:00 to 00:00 | | Cloudy | 8.0°C (feels like 5.0°C) | 11.00% | NE 11 mph |
House Prices in the LL57 4 Postcode Sector
| Type of Property | 2018 Average | 2018 Sales | 2017 Average | 2017 Sales | 2016 Average | 2016 Sales | 2015 Average | 2015 Sales |
|---|---|---|---|---|---|---|---|---|
| Detached | £232,632 | 19 | £207,650 | 23 | £216,662 | 21 | £179,250 | 12 |
| Semi-Detached | £171,369 | 45 | £175,775 | 30 | £145,236 | 21 | £153,781 | 29 |
| Terraced | £127,033 | 23 | £122,985 | 20 | £106,748 | 24 | £111,750 | 30 |
| Flats | £115,000 | 2 | £0 | 0 | £0 | 0 | £0 | 0 |
Important Postcodes LL57 4 in the Postcode Sector
LL57 4DE is the postcode for Cyfoeth Naturiol Cymru / Natural Resources Wales, Parc Menai, Ffordd Penlan
LL57 4DF is the postcode for UNIT 1, Coleg Menai, Llys y Wern, Parc Menai, Ffordd y Llyn, UNIT 2, Coleg Menai, Llys y Wern, Parc Menai, Ffordd y Llyn, UNIT 3, Coleg Menai, Llys y Wern, Parc Menai, Ffordd y Llyn, and UNIT 4, Coleg Menai, Llys y Wern, Parc Menai, Ffordd y Llyn
LL57 4EH is the postcode for Ysgol Rhiwlas, Waen Pentir
LL57 4FD is the postcode for Department of Work & Pensions, Ty Pont Britannia, Ffordd y Parc, Parc Menai
LL57 4FG is the postcode for Intec, Ffordd y Parc
LL57 4FH is the postcode for 5 Chestnut Court, Ffordd Y Parc
LL57 4HJ is the postcode for Technium Cast, Ffordd Penlan, and Ty Menai, Ffordd Penlan
| The LL57 4 Sector is within these Local Authorities |
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| The LL57 4 Sector is within these Counties |
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| The LL57 4 Sector is within these Water Company Areas |
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Tourist Attractions within the LL57 4 Postcode Area
We found 1 visitor attractions within the LL57 postcode area
| Penrhyn Castle |
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| View Penrhyn Castle on Google Maps |