LL58 8YT Isle of Anglesey
Live postcode, introduced January 1980. Ward: Seiriol.
Streets
- Allt Goch Fawr, Sir Ynys Mon - Isle of Anglesey: 5 addresses
- Unnamed street near Maesgwyn, Sling: 2 addresses
- The Mile Road, Sir Ynys Mon - Isle of Anglesey: 1 address
Council tax
What each band costs in Isle of Anglesey in 2026-27: Band D £2,261 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,507 | £1,758 | £2,010 | £2,261 | £2,763 | £3,265 | £3,768 | £4,521 | £5,275 |
Homes by band in the neighbourhood around this postcode: most are in band C (24% of about 1,090 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: none.
- Article 4 directions, tree preservation orders and green belt: Wales has no national record of these; the council's planning department holds them.
Flood risk
Rivers, the sea or surface water: of the 8 address points in this postcode, 0 at high risk, 0 at medium risk and 4 at low risk. Each counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: none is in an area at risk. Surface water and small watercourses alone: 0 at high risk, 0 at medium risk and 4 at low risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. The map allows for flood defences. Address points are every property record (UPRN) in the postcode, each counted if it is in an area or within 5 m of one (the maps stop at building walls); a few are not homes, such as garages, business units or caravan pitches. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3. Welsh zones include an allowance for climate change.
Height above sea level
The postcode's 8 addresses are between 70 m and 84 m above sea level (74 m on average).
Broadband
Superfast 100%, ultrafast 0%, gigabit 0% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Bangor (Gwynedd) 720,000 journeys in 2024–25 | 5.4 km (3.4 miles) |
| Llanfairfechan 38,000 journeys in 2024–25 | 8.3 km (5.1 miles) | |
| Llanfairpwll 39,000 journeys in 2024–25 | 8.6 km (5.4 miles) | |
| Bus stops | 0 stops within 400 m (0.2 miles), 4 within 800 m (0.5 miles); nearest Maes Hyfryd Beaumaris | 420 m (0.3 miles) |
| Bus or coach station | Bangor Bus Station Stand F | 4.6 km (2.8 miles) |
| EV charging points | MFG Charging Station | 5 km (3.1 miles) |
| Airport with scheduled flights | Liverpool John Lennon Airport LPL | 84.1 km (52 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 1 practices within 1.6 km (1 mile); nearest The Health Centre | 1 km (0.6 miles) |
| Pharmacies | 1 pharmacies within 1.6 km (1 mile); nearest Rowlands Pharmacy | 1.1 km (0.7 miles) |
| NHS dentists | Elmhurst Dental Surgery | 4.1 km (2.6 miles) |
| Hospital | Ysbyty Gwynedd | 7.4 km (4.6 miles) |
| Police station | North Wales Police, Bangor | 4.7 km (2.9 miles) |
| Cash machines | BR Spar Beumaris Cashzone | 1.1 km (0.7 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | The Green 2.0 ha | 1.2 km (0.7 miles) |
| Play area | 1 within 800 m (0.5 miles); nearest Unnamed 1,230 m² | 610 m (0.4 miles) |
| Playing field | Unnamed 1.8 ha | 2.8 km (1.7 miles) |
| Allotments | Unnamed 1.4 ha | 1.2 km (0.8 miles) |
Landmarks
The nearest historic landmark is Baron Hill, a listed building (Grade II*), 230 m east. 150 listed buildings are within 1 km (0.6 miles), 4 of them Grade I and 2 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Baron Hill | Listed building, Grade II* | 230 m east |
| Red Hill | Listed building, Grade II* | 780 m (0.5 miles) south-west |
| Beaumaris Town Wall | Scheduled monument | 870 m (0.5 miles) south-east |
| Remains of Medieval Town Wall | Listed building, Grade I | 870 m (0.5 miles) south-east |
| Perimeter walls of Beaumaris Gaol | Listed building, Grade I | 870 m (0.5 miles) south-east |
| The Castles and Town Walls of King Edward in Gwynedd - Beaumaris Castle | World Heritage Site | 1.1 km (0.7 miles) east |
| Beaumaris Castle | Scheduled monument | 1.1 km (0.7 miles) east |
| Site of Friary at Llanfaes | Scheduled monument | 1.5 km (0.9 miles) north-east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Coed Plâs Meigan | Wood | 460 m (0.3 miles) south |
| Nant Meigan | Valley | 600 m (0.4 miles) south |
| Tŵr Hill | Hill | 800 m (0.5 miles) north-west |
| Llyn Bodgylched | Lake or reservoir | 1.1 km (0.7 miles) north-west |
| Penrhyn Safnas | Wetland | 1.5 km (0.9 miles) south |
| Fryars Road | Tidal water | 2.4 km (1.5 miles) north-east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 2.1 | 40 | 10 |
| Fine particles (PM2.5) | 4.2 | 20 | 5 |
| Particles (PM10) | 6.9 | 40 | 15 |
All three are within both the UK limits and the WHO guidelines.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| Under 55 | 8 | 8 |
None of the postcode's 8 addresses is modelled at 55 dB or more from road traffic or railways.
Climate, daylight and earthquakes
Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for Isle of Anglesey: see them on the Isle of Anglesey page.
People and work
Who lives here
| Around this postcode | Wales | |
|---|---|---|
| Median age | 33 | 43 |
| Children under 15 | 24% | 17% |
| Aged 65 and over | 15% | 21% |
Homes
| Around this postcode | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 36% | 66% |
| Owned outright | 20% | 38% |
| Shared ownership | 0% | under 1% |
| Social rented | 45% | 17% |
| Private rented | 20% | 17% |
Work and commuting
| Around this postcode | Wales | |
|---|---|---|
| Adults (16 and over) in work | 53% | 54% |
| Unemployment (of those working or looking for work) | 9% | 6% |
| Retired (of adults) | 16% | 25% |
| Long-term sick or disabled (of adults) | 7% | 6% |
| Work mainly from home (of those in work) | 20% | 26% |
| Travel to work by car or van | 64% | 61% |
| By train, Underground, metro or tram | 0% | under 1% |
| By any public transport, including bus | 5% | 3% |
| On foot or by bicycle | 7% | 8% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 68% | 60% |
| Work 30 km (19 miles) or more away | 7% | 10% |
Education and languages
| Around this postcode | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 28% | 32% |
| No qualifications | 20% | 20% |
| Apprenticeship as highest qualification | 4% | 6% |
| Main language English or Welsh (aged 3 and over) | 97% | 97% |
| Cannot speak English well or at all | under 1% | under 1% |
Deprivation
The neighbourhood around this postcode is in decile 4 of 10 on the Welsh Index of Multiple Deprivation 2025, where 1 is the most deprived tenth of Wales's 1,917 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on Allt Goch Fawr.