LL55 1BB Gwynedd
Live postcode, introduced January 1980. Ward: Menai.
Streets
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 E (23% of about 1,160 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
None of the 4 address points in this postcode is in an area at high, medium or low risk of flooding from rivers, the sea or surface water on Natural Resources Wales's map. Outside those areas the chance is under 0.1% (1 in 1,000) a year.
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 addresses are about 21 m above sea level.
Broadband
Superfast 100%, ultrafast 100%, gigabit 100% 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 | 9.4 km |
| Bodorgan 7,410 journeys in 2024–25 | 11.9 km | |
| Bangor (Gwynedd) 720,000 journeys in 2024–25 | 12.4 km | |
| Bus stops | 17 stops within 400 m, 45 within 800 m; nearest Gwyddfor Waterloo Port | 70 m |
| Bus or coach station | Caernarfon Bus Station Stand C | 570 m |
| Car parks | 1 within 800 m; nearest Snowdon St Parking | 740 m |
| EV charging points | 1 within 1.6 km; nearest MFG Charging Station | 150 m |
| Airport with scheduled flights | Liverpool John Lennon Airport LPL | 97.1 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km; nearest Primary Care Cs | 270 m |
| Pharmacies | 2 pharmacies within 1.6 km; nearest Rowlands Pharmacy | 620 m |
| NHS dentists | 2 practices within 1.6 km; nearest Dannadd Davies Dental Practice | 380 m |
| Hospital | Eryri Hospital | 1.7 km |
| Police station | Caernarfon Police Station | 470 m |
| Cash machines | 1 machines within 800 m; nearest BR Spar Min-Y-Nant Stores Cashzone | 630 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m; nearest Unnamed 2.2 ha | 110 m |
| Play area | 6 within 800 m; nearest Unnamed 430 m² | 290 m |
| Playing field | 1 within 800 m; nearest Unnamed 7,550 m² | 420 m |
| Allotments | 1 within 800 m; nearest Unnamed 950 m² | 410 m |
Within 800 m: 1 park or garden, 2.2 hectares in all.
Landmarks
The nearest historic landmark is Capel Pendref, a listed building (Grade II*), 430 m south-west. 244 listed buildings are within 1.0 km, 6 of them Grade I and 12 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| Capel Pendref | Listed building, Grade II* | 430 m south-west |
| 22 Bangor Street | Listed building, Grade II* | 490 m south-west |
| Caernarfon Royal Town Council Offices, including 10 Bangor Street | Listed building, Grade II* | 510 m south-west |
| Tanybont Arch, including former lock-up to SE | Listed building, Grade II* | 590 m south-west |
| Caernarfon Town Walls | Scheduled monument | 620 m south-west |
| The Castles and Town Walls of King Edward in Gwynedd - Caernarfon Castle and Town Walls | World Heritage Site | 690 m south-west |
| Castell Caernarfon | Scheduled monument | 800 m south-west |
| Segontium Roman Fort | Scheduled monument | 890 m south |
| Morfa Common Park | Registered park or garden, Grade II | 1.7 km south |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Twt Hill | Hill | 260 m south |
| Coed Helen | Wood | 1.3 km south-west |
| Traeth Gwyllt | Wetland | 1.5 km north |
| Hendy Covert | Wood | 1.9 km south-west |
| Gypsy Wood Lake | Lake or reservoir | 2.8 km south |
| Ynys Lom | Island | 3.8 km west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 3.6 | 40 | 10 |
| Fine particles (PM2.5) | 4.4 | 20 | 5 |
| Particles (PM10) | 7.1 | 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 | 51 | 43 |
| Children under 15 | 14% | 17% |
| Aged 65 and over | 33% | 21% |
Homes
| Around this postcode | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 64% | 66% |
| Owned outright | 40% | 38% |
| Shared ownership | under 1% | under 1% |
| Social rented | 4% | 17% |
| Private rented | 32% | 17% |
Work and commuting
| Around this postcode | Wales | |
|---|---|---|
| Adults (16 and over) in work | 49% | 54% |
| Unemployment (of those working or looking for work) | 6% | 6% |
| Retired (of adults) | 36% | 25% |
| Long-term sick or disabled (of adults) | 5% | 6% |
| Work mainly from home (of those in work) | 34% | 26% |
| Travel to work by car or van | 43% | 61% |
| By train, Underground, metro or tram | 0% | under 1% |
| By any public transport, including bus | 4% | 3% |
| On foot or by bicycle | 19% | 8% |
| Work within 10 km of home (of those who travel to work) | 52% | 60% |
| Work 30 km or more away | 7% | 10% |
Education and languages
| Around this postcode | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 42% | 32% |
| No qualifications | 18% | 20% |
| Apprenticeship as highest qualification | 5% | 6% |
| Main language English or Welsh (aged 3 and over) | 98% | 97% |
| Cannot speak English well or at all | under 1% | under 1% |
Deprivation
The neighbourhood around this postcode is in decile 9 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.