Over the past 31 years, there have been 13 property sales recorded in the SA18 1JJ postcode area. The highest sale price reached £340,000, while the most recent sale was a property sold in March 2026 for £340,000.

The estimated average property value in SA18 1JJ currently stands at £184,227, which is approximately 12.3% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £1,766.

Property prices in SA18 1JJ have risen by 4.3% over the past year , with a total increase of 36.5% over the past five years , and a long-term rise of 64.7% over the past decade .

The most common type of property sold in the area is detached, making up around 62% of transactions , followed by semi-detached.

Housing in SA18 1JJ is predominantly owner-occupied, with an estimated 100% of homes being lived in by the owners.

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Property Sales

11 Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

🏠 Semi-detached
🛏️ 4bed
📐 872 sq ft
Today
£166,952
streetscan.co.uk estimate
15 May 2017
£104,000
14 Apr 2000
£44,950
More details

14 Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

🏠 Detached
🛏️ 6bed
📐 1367 sq ft
Today
£208,509
streetscan.co.uk estimate
10 Jan 2003
£72,000
16 Aug 2000
£63,000
View +1 more
More details

18 Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

Today
£156,146
streetscan.co.uk estimate
4 Jul 2008
£100,000

20 Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

🏠 Detached
🛏️ 6bed
📐 1076 sq ft
Today
£194,105
streetscan.co.uk estimate
29 Sep 2023
£185,000
28 Jun 2018
£108,000
More details

4 Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

🏠 Detached
🛏️ 3bed
📐 624 sq ft
Today
£95,641
streetscan.co.uk estimate
27 Feb 2025
£91,250
More details

7 Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

Today
£161,700
streetscan.co.uk estimate
7 Aug 1998
£33,000
19 May 1995
£23,500

Llys Y Fran, 24 Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

Today
£340,000
streetscan.co.uk estimate
13 Mar 2026
£340,000

Twyn Y Boli Greenfield Road, Twyn, Ammanford, Carmarthenshire, SA18 1JJ

Today
£405,682
streetscan.co.uk estimate
31 May 1996
£78,950

Area Insights

Data Sources

Properties at SA18 1JJ appear thirteen times in the Land Registry records, with the latest transaction recorded on 13 Mar 2026. It also has four Energy Performance Certificates (EPC) entries, the earliest dating back to 20 Jan 2022. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.