# SA18 1DG: area report for a postcode in Carmarthenshire

SA18 1DG is a postcode in Carmarthenshire.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Carmarthenshire. Open the map at SA18 1DG for neighbourhoods and points.

In: [Carmarthenshire](https://openindex.co.uk/carmarthenshire) › [SA18](https://openindex.co.uk/postcode/sa18) › [SA18 1](https://openindex.co.uk/postcode/sa18-1)

## Around this postcode

- **3 crimes within 500 m**: August, none in July. Carmarthenshire 010E: 52 a year per 1,000 people. (Map point) https://openindex.co.uk/map/street-crime?around=-3.8496,51.8119,SA181DG
- **Ammanford, 10 km**: The nearest station, in a straight line. (Exact point) https://openindex.co.uk/map/stations?around=-3.8496,51.8119,SA181DG
- **No schools within 800 m**: Nearest is 850 m away. (Exact point) https://openindex.co.uk/map/schools?around=-3.8496,51.8119,SA181DG
- **Outside flood zones**: Nearest zone is 200 m south. (Outline) https://openindex.co.uk/map/flood-zones?around=-3.8496,51.8119,SA181DG
- **Wales’s most deprived 50%**: This neighbourhood, Carmarthenshire 010E. (Neighbourhood) https://openindex.co.uk/map/deprivation-wales?around=-3.8496,51.8119,SA181DG
- **£195,263 average price**: For the whole of Carmarthenshire, August 2026. (Council) https://openindex.co.uk/map/house-prices?around=-3.8496,51.8119,SA181DG
- **No GP practices within 1 km**: None found within 2 km. (Postcode) https://openindex.co.uk/map/gp-practices?around=-3.8496,51.8119,SA181DG
- **No supermarkets within 1 km**: None found within 2 km. (Exact point) https://openindex.co.uk/map/supermarkets?around=-3.8496,51.8119,SA181DG
- **83.3% can get gigabit broadband at SA18 1DG**: Superfast for 100%. What can be ordered, January 2026. (Postcode) https://openindex.co.uk/map/broadband-by-postcode?around=-3.8496,51.8119,SA181DG
- **Not in a radon Affected Area**: Under 1% of homes in this 1 km square are estimated to be at or above the radon Action Level. (1 km grid) https://openindex.co.uk/map/radon?around=-3.8496,51.8119,SA181DG
- **2.6 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=-3.8496,51.8119,SA181DG

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [BRYNAMAN](https://openindex.co.uk/school/brynaman-w6692169) | Primary | 850 m (11 minutes on foot) | Ofsted inspects schools in England only | – |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| October 2025 | £460,000 | Detached, established, freehold | 10 m |
| August 2025 | £168,000 | Semi-detached, established, freehold | 340 m |

## Within 1 km

## Key figures

- **Average house price: £195,263** (August 2026). Carmarthenshire’s average house price was £195,263 in August 2026 (HM Land Registry). Up 2.7% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £37,405** (2025). Full-time workers living in Carmarthenshire earned a median of £37,405 in 2025 (ONS earnings survey). 138th lowest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 5.2×** (2025). A home in Carmarthenshire costs 5.2 times local full-time pay. Joint 53rd most affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026.
- **Population estimate: 190,037** (2025). Carmarthenshire’s population was an estimated 190,037 in mid-2025 (ONS population estimates). Down 0.2% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.

## Carmarthenshire 010E (Neighbourhood)

- **Median sale price: £147,500** (2025). The median price paid for a home in Carmarthenshire 010E was £147,500 in 2025. Joint 2,263rd cheapest of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 1,450** (2021). Carmarthenshire 010E had 1,450 usual residents at the census (ONS Census 2021). Joint 20,574th least populated of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026.
- **Gigabit broadband coverage: 70.6%** (January 2026). In Carmarthenshire 010E, 70.6% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026.
- **Claimant rate: 2.5%** (August 2026). In Carmarthenshire 010E, 2.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026 (ONS via Nomis). UK 3.9%. Source: Claimant count (Nomis), August 2026. Published 15 September 2026.

## SA18 (Postcode district)

- **Median sale price: £182,750** (2025). The median price paid for a home in SA18 was £182,750 in 2025. 270th cheapest of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 29,980** (2021). SA18 had 29,980 usual residents at the census (ONS Census 2021). Joint 927th most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026.
- **People in radon Affected Area squares: 29%** (2022). About 29% of people in SA18 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022.
- **Gigabit broadband coverage: 83.4%** (January 2026). In SA18, 83.4% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026.

## About

- Type: Postcode
- Council: [Carmarthenshire](https://openindex.co.uk/carmarthenshire)
- Centre: 51.8119, -3.8496

Council: [Carmarthenshire](https://openindex.co.uk/carmarthenshire) (Welsh council, 100%).

## Your MP

- [Caerfyrddin](https://openindex.co.uk/constituency/caerfyrddin): Ann Davies (Plaid Cymru), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Sources

- [Street-level crime](https://openindex.co.uk/sources/street-crime), August 2026 (Map point)
- [Rail and Tube stations](https://openindex.co.uk/sources/stations), 2024/25 (Exact point)
- [Schools](https://openindex.co.uk/sources/schools) (Exact point)
- [Flood zones](https://openindex.co.uk/sources/flood-zones) (Outline)
- [Welsh Index of Multiple Deprivation 2025](https://openindex.co.uk/sources/deprivation-wales), 2025 (Neighbourhood)
- [Average house price](https://openindex.co.uk/sources/house-prices), August 2026 (Council)
- [GP practices](https://openindex.co.uk/sources/gp-practices) (Postcode)
- [Supermarkets](https://openindex.co.uk/sources/supermarkets) (Exact point)
- [Broadband by postcode](https://openindex.co.uk/sources/broadband-by-postcode), January 2026 (Postcode)
- [Radon potential](https://openindex.co.uk/sources/radon) (1 km grid)
- [Nitrogen dioxide (NO2)](https://openindex.co.uk/sources/nitrogen-dioxide), 2025 (1 km grid)

On the map: https://openindex.co.uk/map/sold-prices?around=-3.8496,51.8119,SA181DG

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sa18-1dg.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/sa18-1dg