LL51 9AZ Gwynedd
Live postcode, introduced January 1980. Ward: Dolbenmaen.
Streets
- Golan, Golan: 23 addresses
- Tan Y Bryn Terrace, Penmorfa: 7 addresses
- Caernarfon Road, Cwm Ystradllyn: 5 addresses
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Llanfihangel-y-pennant: 1 address
- Unnamed street near Golan, Llanfihangel-y-pennant: 1 address
- Unnamed street near Golan, Llanfihangel-y-pennant: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Golan: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
- Unnamed street near Golan, Cwm Ystradllyn: 1 address
Council tax
What each band costs in Gwynedd in 2026-27: Band D £2,469 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,646 | £1,920 | £2,194 | £2,469 | £3,017 | £3,566 | £4,115 | £4,938 | £5,760 |
Homes by band in the neighbourhood around this postcode: most are in band D (32% of about 590 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 3.
- Article 4 directions, tree preservation orders and green belt: Wales has no national record of these; the council's planning department holds them.
Listed buildings
- Ynys Pandy felin lechi, grade II*
- Pont y pandy, grade II
- Telephone Call-box at Ynysypandy, grade II
Flood risk
Rivers, the sea or surface water: of the 55 address points in this postcode, 7 at high risk, 1 at medium risk and 2 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: 7 at high risk, 1 at medium risk and 2 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 55 addresses are between 167 m and 289 m above sea level (196 m on average).
Broadband
Superfast 94%, ultrafast 94%, gigabit 94% of premises; 6% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Porthmadog 101,000 journeys in 2024–25 | 4.4 km (2.8 miles) |
| Minffordd 18,000 journeys in 2024–25 | 6.9 km (4.3 miles) | |
| Criccieth 37,000 journeys in 2024–25 | 7.5 km (4.7 miles) | |
| Bus stops | None within 800 m (0.5 miles) | |
| EV charging points | InstaVolt Charging Station | 3.7 km (2.3 miles) |
| Airport with scheduled flights | Liverpool John Lennon Airport LPL | 96.8 km (60 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Upcc At Ysbyty Alltwen | 3.1 km (1.9 miles) |
| Pharmacies | Rowlands Pharmacy | 5.1 km (3.1 miles) |
| NHS dentists | Penwood Dental Care | 7.1 km (4.4 miles) |
| Hospital | Ysbyty Alltwen | 3.1 km (1.9 miles) |
| Police station | Caernarfon Police Station | 20.7 km (13 miles) |
| Cash machines | Tesco Bank ATM | 4.6 km (2.9 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Playing field | Unnamed 2,700 m² | 2.6 km (1.6 miles) |
Landmarks
The nearest historic landmark is Ynys Pandy felin lechi, a listed building (Grade II*), 70 m north. 5 listed buildings are within 1 km (0.6 miles), 1 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Ynys Pandy felin lechi | Listed building, Grade II* | 70 m north |
| Gorseddau or Ynysypandy Slate Factory | Scheduled monument | 100 m north-east |
| Braich y Cornel Hut Circle Settlement and Field System | Scheduled monument | 1.4 km (0.8 miles) north |
| Cae-Bach Hut Circle Settlement | Scheduled monument | 1.5 km (0.9 miles) north |
| The Slate Landscape of Northwest Wales - Gorseddau and Prince of Wales Slate Quarries, Railways and Mill | World Heritage Site | 3.5 km (2.2 miles) north |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Ynys-wen | Hill | 1.4 km (0.9 miles) east |
| Llyn Du | Lake or reservoir | 1.5 km (0.9 miles) south-east |
| Llyn Cwm Ystradllyn | Lake or reservoir | 1.7 km (1 mile) north-east |
| Moel Isallt | Hill | 1.7 km (1.1 miles) north-west |
| Coed Bryn-derwog | Wood | 1.8 km (1.1 miles) west |
| Cwm y Fedw | Valley | 2.1 km (1.3 miles) north-east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 1.2 | 40 | 10 |
| Fine particles (PM2.5) | 4.1 | 20 | 5 |
| Particles (PM10) | 6.3 | 40 | 15 |
All three are within both the UK limits and the WHO guidelines.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 11 | 0 |
| Under 55 | 44 | 55 |
11 of the postcode's 55 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
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 Gwynedd: see them on the Gwynedd page.
People and work
Who lives here
| Around this postcode | Wales | |
|---|---|---|
| Median age | 50 | 43 |
| Children under 15 | 15% | 17% |
| Aged 65 and over | 28% | 21% |
Homes
| Around this postcode | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 73% | 66% |
| Owned outright | 50% | 38% |
| Shared ownership | under 1% | under 1% |
| Social rented | 6% | 17% |
| Private rented | 20% | 17% |
Work and commuting
| Around this postcode | Wales | |
|---|---|---|
| Adults (16 and over) in work | 54% | 54% |
| Unemployment (of those working or looking for work) | 2% | 6% |
| Retired (of adults) | 29% | 25% |
| Long-term sick or disabled (of adults) | 2% | 6% |
| Work mainly from home (of those in work) | 30% | 26% |
| Travel to work by car or van | 63% | 61% |
| By train, Underground, metro or tram | 0% | under 1% |
| By any public transport, including bus | 2% | 3% |
| On foot or by bicycle | 5% | 8% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 53% | 60% |
| Work 30 km (19 miles) or more away | 10% | 10% |
Education and languages
| Around this postcode | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 42% | 32% |
| No qualifications | 15% | 20% |
| Apprenticeship as highest qualification | 5% | 6% |
| Main language English or Welsh (aged 3 and over) | 99% | 97% |
| Cannot speak English well or at all | 0% | 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 Golan.