LL55 2SS Gwynedd
Live postcode, introduced January 1980. Ward: Y Bontnewydd.
Streets
- Ffordd Waenfawr, Caeathro: 40 addresses
- Caeathro Bach, Caeathro: 5 addresses
- Erw Wen, Caeathro: 2 addresses
- Unnamed street near Ffordd Waenfawr, Caeathro: 1 address
- Unnamed street near Ffordd Waenfawr, Caeathro: 1 address
- Unnamed street near Ffordd Waenfawr, Caeathro: 1 address
- Unnamed street near Ffordd Waenfawr, Caeathro: 1 address
- Caeathro Bach, Caeathro: 1 address
- Unnamed street near Ffordd Waenfawr, Caeathro: 1 address
- Unnamed street near Ffordd Waenfawr, Caeathro: 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 B (24% of about 840 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 55 address points in this postcode, 3 at high risk, 0 at medium risk and 7 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: 3 at high risk, 0 at medium risk and 7 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 62 m and 69 m above sea level (65 m on average).
Broadband
Superfast 96%, ultrafast 96%, gigabit 96% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Llanfairpwll 39,000 journeys in 2024–25 | 10.2 km |
| Bangor (Gwynedd) 720,000 journeys in 2024–25 | 12.3 km | |
| Bodorgan 7,410 journeys in 2024–25 | 14.4 km | |
| Bus stops | 4 stops within 400 m, 4 within 800 m; nearest Bryngwna Caeathro | 80 m |
| Bus or coach station | Caernarfon Bus Station Stand C | 2.4 km |
| Car parks | Snowdon St Parking | 2.2 km |
| EV charging points | MFG Charging Station | 2.7 km |
| Airport with scheduled flights | Liverpool John Lennon Airport LPL | 95.6 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Primary Care Cs | 2.4 km |
| Pharmacies | Boots | 2.3 km |
| NHS dentists | 1 practices within 1.6 km; nearest Unit 1E | 1.1 km |
| Hospital | Eryri Hospital | 1.5 km |
| Police station | Caernarfon Police Station | 2.1 km |
| Cash machines | BR Spar Min-Y-Nant Stores Cashzone | 1.9 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | Unnamed 2.2 ha | 2.6 km |
| Play area | 1 within 800 m; nearest Unnamed 1,990 m² | 200 m |
| Playing field | 1 within 800 m; nearest Unnamed 7,630 m² | 130 m |
| Allotments | Unnamed 1,900 m² | 1.9 km |
Landmarks
The nearest historic landmark is Glan Gwna Hall, a listed building (Grade II*), 410 m north. 15 listed buildings are within 1.0 km, 2 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Glan Gwna Hall | Listed building, Grade II* | 410 m north |
| Wern | Listed building, Grade II* | 500 m south |
| Morfa Common Park | Registered park or garden, Grade II | 1.7 km west |
| Bryn-Glas Roman Signal Station | Scheduled monument | 1.8 km north |
| Segontium Roman Fort | Scheduled monument | 1.9 km north-west |
| The Castles and Town Walls of King Edward in Gwynedd - Caernarfon Castle and Town Walls | World Heritage Site | 2.7 km north-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Ysbytty Reservoir | Lake or reservoir | 1.1 km south |
| Allt Rhyddallt-bâch | Wood | 1.6 km west |
| Gypsy Wood Lake | Lake or reservoir | 1.8 km south-west |
| Coed Glan-yr-afon | Wood | 2.1 km south |
| Twt Hill | Hill | 2.4 km north-west |
| Traeth Gwyllt | Wetland | 3.7 km north-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 2.0 | 40 | 10 |
| Fine particles (PM2.5) | 4.3 | 20 | 5 |
| Particles (PM10) | 6.9 | 40 | 15 |
All three are within both the UK limits and the WHO guidelines.
Road and rail noise
Defra's noise maps cover England only; the Welsh Government's 2022 maps are not shown here yet.
People and work
Who lives here
| Around this postcode | Wales | |
|---|---|---|
| Median age | 45 | 43 |
| Children under 15 | 15% | 17% |
| Aged 65 and over | 22% | 21% |
Homes
| Around this postcode | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 82% | 66% |
| Owned outright | 49% | 38% |
| Shared ownership | 0% | under 1% |
| Social rented | 2% | 17% |
| Private rented | 16% | 17% |
Work and commuting
| Around this postcode | Wales | |
|---|---|---|
| Adults (16 and over) in work | 64% | 54% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 23% | 25% |
| Long-term sick or disabled (of adults) | 1% | 6% |
| Work mainly from home (of those in work) | 25% | 26% |
| Travel to work by car or van | 66% | 61% |
| By train, Underground, metro or tram | under 1% | under 1% |
| By any public transport, including bus | 2% | 3% |
| On foot or by bicycle | 7% | 8% |
| Work within 10 km of home (of those who travel to work) | 51% | 60% |
| Work 30 km or more away | 13% | 10% |
Education and languages
| Around this postcode | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 45% | 32% |
| No qualifications | 7% | 20% |
| Apprenticeship as highest qualification | 8% | 6% |
| Main language English or Welsh (aged 3 and over) | 98% | 97% |
| Cannot speak English well or at all | 0% | under 1% |
Deprivation
The neighbourhood around this postcode is in decile 5 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 Ffordd Waenfawr.