SA31 1BU Carmarthenshire
Live postcode, introduced January 1983. Ward: Carmarthen Town North and South.
Streets
- Wood's Row, Caerfyrddin / Carmarthen: 11 addresses
- Orchard Street, Caerfyrddin / Carmarthen: 1 address
Council tax
What each band costs in Carmarthenshire in 2026-27: Band D £2,351 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,567 | £1,829 | £2,090 | £2,351 | £2,874 | £3,396 | £3,919 | £4,702 | £5,486 |
Homes by band in the neighbourhood around this postcode: most are in band B (37% of about 1,430 homes).
Planning and heritage
- Conservation area: yes, Carmarthen Town. Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 21.
- 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
- No 51 including near-detached rear wing, grade II*
- 15 King Street, grade II
- 16-6a King Street, grade II
- 19 King Street, grade II
- 37-8 King Street, grade II
- 45-5a King Street, grade II
- 46 King Street, grade II
- 49 King Street, grade II
- 50 King Street, grade II
- 52 King Street, grade II
- 53-3a King Street, grade II
- 54 King Street, grade II
- 57 King Street, grade II
- Lloyds Bank, grade II
- Lyric Buildings (including facade to Queen Street), grade II
- Masonic Hall, grade II
- National Westminster Bank, grade II
- The Lyric Theatre and front range to King Street, grade II
- The Post Office (left hand building), grade II
- The Probate Office, grade II
- The Spilman Hotel, grade II
Flood risk
None of the 12 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 12 addresses are between 17 m and 20 m above sea level (19 m on average).
Broadband
Superfast 100%, ultrafast 90%, gigabit 90% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Carmarthen 440,000 journeys in 2024–25 | 450 m (0.3 miles) |
| Ferryside 16,000 journeys in 2024–25 | 10.8 km (6.7 miles) | |
| Kidwelly 35,000 journeys in 2024–25 | 13.7 km (8.5 miles) | |
| Bus stops | 8 stops within 400 m (0.2 miles), 32 within 800 m (0.5 miles); nearest Council Offices Carmarthen | 140 m |
| Bus or coach station | Carmarthen Bus Station | 250 m |
| Car parks | 2 within 800 m (0.5 miles); nearest Apcoa UK - St Catherine's Walk Shopping Centre, Carmarthen | 280 m |
| EV charging points | 3 within 1.6 km (1 mile); nearest Apcoa Charging Station | 370 m |
| Airport with scheduled flights | Cardiff International Airport CWL | 84.1 km (52 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km (1 mile); nearest Furnace House Surgery | 250 m |
| Pharmacies | 6 pharmacies within 1.6 km (1 mile); nearest Boots | 190 m |
| NHS dentists | 3 practices within 1.6 km (1 mile); nearest 1St Floor | 320 m |
| Hospital | Glangwili Hospital Child Health Section | 1.8 km (1.1 miles) |
| Police station | Carmarthen, Whitland, and St Clears Police | 1.7 km (1 mile) |
| Cash machines | 3 machines within 800 m (0.5 miles); nearest Cashpoint® 43 King Street Lloyds Bank | 70 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m (0.5 miles); nearest Carmarthen Park 4.0 ha | 630 m (0.4 miles) |
| Play area | 2 within 800 m (0.5 miles); nearest Unnamed 1,810 m² | 670 m (0.4 miles) |
| Playing field | 3 within 800 m (0.5 miles); nearest Unnamed 1.2 ha | 360 m |
| Allotments | 1 within 800 m (0.5 miles); nearest Unnamed 6,380 m² | 690 m (0.4 miles) |
Within 800 m (0.5 miles): 1 park or garden, 4.0 hectares in all.
Landmarks
The nearest historic landmark is No 51 including near-detached rear wing, a listed building (Grade II*), 60 m south-east. 276 listed buildings are within 1 km (0.6 miles), 3 of them Grade I and 6 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| No 51 including near-detached rear wing | Listed building, Grade II* | 60 m south-east |
| Carmarthen Castle | Listed building, Grade I | 150 m south |
| The Guildhall | Listed building, Grade I | 180 m south-west |
| Carmarthen Castle | Scheduled monument | 190 m south |
| Carmarthen Roman Fort (part of) | Scheduled monument | 200 m south-east |
| 2 Quay Street | Listed building, Grade II* | 200 m south-west |
| Carmarthen Roman Town (part of) | Scheduled monument | 320 m north-east |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Cwm-oernant Reservoirs | Lake or reservoir | 1.3 km (0.8 miles) north-east |
| Trevaughan Wood | Wood | 1.8 km (1.1 miles) north-west |
| Starling Park Wood | Wood | 1.9 km (1.2 miles) west |
| Penlan Ffos | Hill | 2 km (1.3 miles) north |
| Black Pool | Tidal water | 3.6 km (2.2 miles) south-west |
| Nant Cwm-croes-y-ceiliog | Valley | 4.2 km (2.6 miles) south |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 5.0 | 40 | 10 |
| Fine particles (PM2.5) | 4.6 | 20 | 5 |
| Particles (PM10) | 8.0 | 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 | 2 | 0 |
| Under 55 | 10 | 12 |
2 of the postcode's 12 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 Carmarthenshire: see them on the Carmarthenshire page.
People and work
Who lives here
| Around this postcode | Wales | |
|---|---|---|
| Median age | 40 | 43 |
| Children under 15 | 10% | 17% |
| Aged 65 and over | 19% | 21% |
Homes
| Around this postcode | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 24% | 66% |
| Owned outright | 19% | 38% |
| Shared ownership | 0% | under 1% |
| Social rented | 24% | 17% |
| Private rented | 52% | 17% |
Work and commuting
| Around this postcode | Wales | |
|---|---|---|
| Adults (16 and over) in work | 52% | 54% |
| Unemployment (of those working or looking for work) | 12% | 6% |
| Retired (of adults) | 15% | 25% |
| Long-term sick or disabled (of adults) | 14% | 6% |
| Work mainly from home (of those in work) | 12% | 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 | 2% | 3% |
| On foot or by bicycle | 42% | 8% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 67% | 60% |
| Work 30 km (19 miles) or more away | 8% | 10% |
Education and languages
| Around this postcode | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 30% | 32% |
| No qualifications | 23% | 20% |
| Apprenticeship as highest qualification | 6% | 6% |
| Main language English or Welsh (aged 3 and over) | 92% | 97% |
| Cannot speak English well or at all | 3% | under 1% |
Deprivation
The neighbourhood around this postcode 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.
The full dossier for this postcode's main street is on Wood's Row.