A4086 Caernarfon, Gwynedd
1 address across 1 postcode (LL55), about 150 m long, classed as a a road. USRN 46400007.
- Flood: At least one postcode centre is in flood zone 3.
- Council tax: Most homes around it are in council tax band B; Band D in Gwynedd costs £2,469 a year in 2026-27.
- Broadband: Gigabit broadband is available to 75% of premises.
- Transport: The nearest railway station is Llanfairpwll, about 9.9 km (6.2 miles) away in a straight line.
- Green space: The nearest park or garden is about 680 m (0.4 miles) away.
- Air: Background air pollution in 2024 was 3.8 µg/m³ of nitrogen dioxide and 4.5 of PM2.5, within UK legal limits.
- Height: It is about 14 m above sea level.
- Noise: 1 of its 1 addresses is modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Meddygfa Hafan, about 600 m (0.4 miles) away, with 2 practices within 1.6 km (1 mile).
- People: About 250 people lived in the census areas around it in 2021; 31% of households owned their home and 31% of adults held a degree or other higher qualification.
- Crime: 379 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.
Sales on this street
No sales recorded on this street since January 1995 under this street name.
Energy performance certificates
No certificates found for addresses on this street.
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 street: most are in band B (48% of about 1,010 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: 1.
- 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
Roadworks
Street works permits come from the Department for Transport's Street Manager, which covers England only.
Flood risk
Rivers, the sea or surface water: of the 21 address points in this street's postcodes, 0 at high risk, 5 at medium risk and 16 at low risk. Each counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: 0 at high risk, 0 at medium risk and 21 at low risk. Surface water and small watercourses alone: 0 at high risk, 5 at medium risk and 14 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: the postcode centre is in flood zone 3. Zone 3 is a 1% (1 in 100) or greater annual chance of flooding from rivers, or 0.5% from the sea, ignoring defences. Welsh zones include an allowance for climate change.
Height above sea level
The street's address is about 14 m above sea level.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| LL55 1NW | 88% | 75% | 75% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Llanfairpwll 39,000 journeys in 2024–25 | 9.9 km (6.2 miles) |
| Bodorgan 7,410 journeys in 2024–25 | 12.2 km (7.6 miles) | |
| Bangor (Gwynedd) 720,000 journeys in 2024–25 | 12.9 km (8 miles) | |
| Bus stops | 16 stops within 400 m (0.2 miles), 50 within 800 m (0.5 miles); nearest William Street Path Caernarfon | 70 m |
| Bus or coach station | Caernarfon Bus Station Stand C | 90 m |
| Car parks | 1 within 800 m (0.5 miles); nearest Snowdon St Parking | 160 m |
| EV charging points | 1 within 1.6 km (1 mile); nearest MFG Charging Station | 630 m (0.4 miles) |
| Airport with scheduled flights | Liverpool John Lennon Airport LPL | 97.3 km (60 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km (1 mile); nearest Meddygfa Hafan | 600 m (0.4 miles) |
| Pharmacies | 2 pharmacies within 1.6 km (1 mile); nearest Boots | 70 m |
| NHS dentists | 2 practices within 1.6 km (1 mile); nearest Dannadd Davies Dental Practice | 380 m |
| Hospital | Brynseiont Hospital | 1.2 km (0.8 miles) |
| Police station | Caernarfon Police Station | 540 m (0.3 miles) |
| Cash machines | 2 machines within 800 m (0.5 miles); nearest BR Spar Min-Y-Nant Stores Cashzone | 430 m (0.3 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m (0.5 miles); nearest Unnamed 2.2 ha | 680 m (0.4 miles) |
| Play area | 10 within 800 m (0.5 miles); nearest Unnamed 1,150 m² | 50 m |
| Playing field | 2 within 800 m (0.5 miles); nearest Unnamed 7,550 m² | 510 m (0.3 miles) |
| Allotments | 1 within 800 m (0.5 miles); nearest Unnamed 1,900 m² | 660 m (0.4 miles) |
Within 800 m (0.5 miles): 1 park or garden, 2.2 hectares in all.
Landmarks
The nearest historic landmark is Caernarfon Royal Town Council Offices, including 10 Bangor Street, a listed building (Grade II*), 240 m north-west. 250 listed buildings are within 1 km (0.6 miles), 7 of them Grade I and 12 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| Caernarfon Royal Town Council Offices, including 10 Bangor Street | Listed building, Grade II* | 240 m north-west |
| 22 Bangor Street | Listed building, Grade II* | 280 m north-west |
| Capel Pendref | Listed building, Grade II* | 310 m north-west |
| Caernarfon Harbour Trust Offices | Listed building, Grade II* | 320 m west |
| Lower Roman Fort | Scheduled monument | 350 m south |
| Caernarfon Town Walls | Scheduled monument | 390 m west |
| The Castles and Town Walls of King Edward in Gwynedd - Caernarfon Castle and Town Walls | World Heritage Site | 410 m (0.3 miles) west |
| Castell Caernarfon | Scheduled monument | 430 m (0.3 miles) west |
| Morfa Common Park | Registered park or garden, Grade II | 1.1 km (0.7 miles) south |
| Name | What it is | From the middle of the street |
|---|---|---|
| Twt Hill | Hill | 320 m north |
| Coed Helen | Wood | 830 m (0.5 miles) south-west |
| Hendy Covert | Wood | 1.3 km (0.8 miles) south-west |
| Traeth Gwyllt | Wetland | 2.1 km (1.3 miles) north |
| Gypsy Wood Lake | Lake or reservoir | 2.3 km (1.4 miles) south |
| Ynys Lom | Island | 3.8 km (2.4 miles) west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 3.8 | 40 | 10 |
| Fine particles (PM2.5) | 4.5 | 20 | 5 |
| Particles (PM10) | 7.7 | 40 | 15 |
All three are within both the UK limits and the WHO guidelines.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 70 to 74 | 1 | 0 |
| Under 55 | 0 | 1 |
1 of the street's 1 addresses is 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.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Ysgol Santes Helen Roman Catholic Welsh medium | Primary | 3–11 | 260 m | Estyn reports · My Local School |
| Ysgol Gynradd Maesincla Church in Wales Welsh medium | Primary | 3–11 | 760 m (0.5 miles) | Estyn reports · My Local School |
| Ysgol Syr Hugh Owen Welsh medium | Secondary | 11–19 | 800 m (0.5 miles) | Estyn reports · My Local School |
| Ysgol Yr Hendre Welsh medium | Primary | 3–11 | 860 m (0.5 miles) | Estyn reports · My Local School |
| Ysgol Y Gelli Welsh medium | Primary | 3–11 | 1.2 km (0.7 miles) | Estyn reports · My Local School |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Pool Street Superstore LL55 2AB | Retailers - other | 60 m | 5 Very good | 11 Jun 2025 |
| Boots The Chemist LL55 2AL | Retailers - other | 70 m | Exempt | |
| The Little Wren (Wren Wellness) LL55 2AE | Retailers - other | 80 m | Exempt | |
| Michael Heard Hughes LL55 2AF | Retailers - other | 110 m | 5 Very good | 17 Jun 2025 |
| Caru Kebabs LL55 2AF | Takeaway/sandwich shop | 110 m | 5 Very good | 22 Oct 2025 |
| Caernarfon and District Ex Service Club LL55 2AF | Pub/bar/nightclub | 120 m | 5 Very good | 12 Jan 2024 |
| Siop Lleol Chi / Local Shop LL55 2AB | Retailers - other | 120 m | 1 Major improvement necessary | 9 Jan 2026 |
| J & C's Chippy LL55 2AD | Restaurant/Cafe/Canteen | 150 m | 3 Generally satisfactory | 1 Aug 2025 |
| Y Gegin Fach LL55 1NP | Restaurant/Cafe/Canteen | 150 m | 5 Very good | 3 Jul 2025 |
| Lee's Chinese Take Away LL55 1NP | Takeaway/sandwich shop | 150 m | 4 Good | 15 May 2025 |
| Penrallt Youth Centre LL55 1NS | Other catering premises | 160 m | Exempt | |
| Capital Take Away LL55 1NP | Takeaway/sandwich shop | 170 m | 5 Very good | 23 Aug 2024 |
| Twthill Vaults LL55 1PB | Pub/bar/nightclub | 170 m | 5 Very good | 23 Feb 2024 |
| The Eagles LL55 2RF | Pub/bar/nightclub | 170 m | 5 Very good | 14 Jan 2026 |
| William Hill Plc LL55 1NW | Retailers - other | 170 m | Exempt |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 117 |
| Anti-social behaviour | 99 |
| Criminal damage and arson | 35 |
| Public order | 31 |
| Other theft | 23 |
| Drugs | 19 |
| Shoplifting | 19 |
| Burglary | 13 |
| Vehicle crime | 9 |
| Possession of weapons | 6 |
| Theft from the person | 3 |
| Other crime | 3 |
| Bicycle theft | 2 |
Most of these are attached to: On or near Penllyn (72); On or near Bridge Street (46); On or near Rhes Segontiwm (39); On or near Parking Area (32); On or near Penrallt Isaf (30).
People and work
Who lives here
| Around this street | Wales | |
|---|---|---|
| Median age | 40 | 43 |
| Children under 15 | 11% | 17% |
| Aged 65 and over | 14% | 21% |
Homes
| Around this street | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 31% | 66% |
| Owned outright | 17% | 38% |
| Shared ownership | 2% | under 1% |
| Social rented | 19% | 17% |
| Private rented | 48% | 17% |
Work and commuting
| Around this street | Wales | |
|---|---|---|
| Adults (16 and over) in work | 59% | 54% |
| Unemployment (of those working or looking for work) | 7% | 6% |
| Retired (of adults) | 14% | 25% |
| Long-term sick or disabled (of adults) | 10% | 6% |
| Work mainly from home (of those in work) | 13% | 26% |
| Travel to work by car or van | 59% | 61% |
| By train, Underground, metro or tram | 0% | under 1% |
| By any public transport, including bus | 4% | 3% |
| On foot or by bicycle | 23% | 8% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 65% | 60% |
| Work 30 km (19 miles) or more away | 10% | 10% |
Education and languages
| Around this street | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 31% | 32% |
| No qualifications | 22% | 20% |
| Apprenticeship as highest qualification | 8% | 6% |
| Main language English or Welsh (aged 3 and over) | 87% | 97% |
| Cannot speak English well or at all | 3% | under 1% |
Deprivation
The neighbourhood around this street is in decile 3 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.
What has changed
Nothing new since the change feed started on 30 October 2026. New sales and energy certificates, and hygiene ratings, school inspections and flood figures nearby, will be listed here as the sources update.
Postcodes on this street
- LL55 1NW: 1 address of 21 in the postcode
Nearby streets
Pool Lane · William Street · Mark Lane · Pen y Graig · Penrallt Isaf · A4871 · Stryd Mari · Penllyn · Tanrallt · Thomas Street · Uxbridge Square · South Penrallt
What this page cannot tell you
- Whether a particular house is at risk of flooding, subsiding or anything else: the flood map is a model of areas and there is no property-level data here.
- What a home is worth now: sales are historic prices for the homes that happened to sell.
- How safe the street is: crime points are moved to anonymised locations and many crimes are never reported.
- Whether you would get a place at a school: distances are straight lines, not catchments.
- Who lives on the street now: census figures describe the small areas around it in March 2021, during a lockdown.
- How long a journey takes or how often anything runs: transport distances are straight lines to the nearest stops.
- Whether a GP practice is taking new patients, or a dentist new NHS patients.
- How loud a home is inside, or noise from industry, neighbours or smaller airfields: noise figures are models of road, rail and air traffic outside.
How each figure on this page is matched to the street and worked out: methodology.