The LL65 4 Gwalchmai Postcode Sector
A wide range of spatial data has been analysed to present this overview of the LL65 4 postcode sector. If you would like anything added, please contact us.
The LL65 4 postcode sector is within the county of Gwynedd.
According to the 2021 Census, the LL65 4 postcode sector is home to 3,396 residents.
Each postcode sector can contain up to 400 unique postcode units. With 192 already in use, that leaves 208 potentially available.
The largest settlement in the LL65 4 postal code is GWALCHMAI followed by LLANFACHRAETH, and HOLYHEAD.
The LL65 4 Postcode shares a border with LL67 0 (CEMAES, TREGELE, CEMAES BAY), LL68 0 (LLANFECHELL, MYNYDD MECHELL, CARREGLEFN), LL71 7 (LLANERCHYMEDD, CARMEL, LLANDRYGAN), LL62 5 (BODORGAN, MALLTRAETH, LLANGRISTIOLUS), LL63 5 (TY CROES, ABERFFRAW, LLANFAELOG), LL65 3 (VALLEY, CAERGEILIOG, BODEDERN), LL66 0 (RHOSGOCH, CARREGLEFN, AMLWCH) and LL77 7 (LLANGEFNI, RHOSTREHWFA, BODFFORDD).
Map of LL65 4
Explore the postcode sector using the interactive map.
Larger circles indicate higher recorded crime totals.
On this page
Key facts
- Within the post town of HOLYHEAD.
- LL65 4 is in the LL65 district, within the LL Llandudno area.
- Royal Mail delivery office: Holyhead Delivery Office.
- Area: 35.53 sq mi (92.03 km² / 22,740.28 acres).
Street list for LL65 4
Crime overview
Top streets by recorded crime
| Street | Crime count |
|---|---|
| CROWN STREET | 42 |
| MAES MAETHLU | 32 |
| MAES ALAW | 31 |
| CAER FELIN | 20 |
| STAD YR HEN YSGOL | 18 |
| BRYNTIRION | 11 |
| LON LAS A5025 | 7 |
| PARC LLYNNON | 6 |
| STAD BRYN LLWYD | 5 |
| TAN Y FELIN | 5 |
Most common crime types
| Crime type | Count |
|---|---|
| Violence and sexual offences | 218 |
| Criminal damage and arson | 42 |
| Public order | 33 |
| Other theft | 21 |
| Burglary | 14 |
| Drugs | 14 |
| Other crime | 12 |
| Shoplifting | 10 |
| Vehicle crime | 7 |
| Anti-social behaviour | 1 |
| Theft from the person | 1 |
| Possession of weapons | 1 |
| Bicycle theft | 1 |
| Robbery | 1 |
Postcodes in this sector
Neighbouring sectors and settlements
Settlements within the sector
House prices
| Type of property | 2025 average | 2025 sales | 2024 average | 2024 sales | 2023 average | 2023 sales | 2022 average | 2022 sales |
|---|---|---|---|---|---|---|---|---|
| Detached | £301,833 | 18 | £369,225 | 20 | £346,920 | 15 | £316,190 | 35 |
| Semi-detached | £155,000 | 2 | £249,167 | 6 | £169,167 | 9 | £243,681 | 8 |
| Terraced | £163,214 | 7 | £135,250 | 4 | £125,000 | 2 | £134,750 | 8 |
| Flats | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Important postcodes and buildings
LL65 4HT is the postcode for Ysgol Cylch y Garn, Llanrhyddlad
LL65 4NP is the postcode for Ysgol Rhyd Y Lian Primary School
LL65 4PQ is the postcode for Ysgol Rhyd Y Llan, Road From Junction With A5025 At Llanfaethlu To Junction West Of Borthwen, Llanfaethlu
LL65 4RJ is the postcode for Canolfan Byron, Mona Industrial Park
LL65 4UY is the postcode for Llanfachraeth Primary School, Llanfachraeth
LL65 4YW is the postcode for Ysgol Ffrwd Win, Llanfaethlu
Administrative coverage
| The LL65 4 sector is within these local authorities |
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| The LL65 4 sector is within these counties |
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| The LL65 4 sector is within these water company areas |
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Maps and visuals
| L | L | 6 | 5 | - | 4 | X | X |
| L | L | 6 | 5 | Space | 4 | Letter | Letter |
Weather forecast for LL65 4
Weather Forecast for Porth Trwyn (Beach)
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