Over the past 30 years, there have been 40 property sales recorded in the SA6 8NL postcode area. The highest sale price reached £270,000, while the most recent sale was for a semi-detached house sold in August 2025 for £223,000.

The estimated average property value in SA6 8NL currently stands at £169,490, which is approximately 30.4% 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 £1,935.

Property prices in SA6 8NL have risen by 4.4% over the past year , with a total increase of 35.4% over the past five years, and a long-term rise of 57.4% over the past decade.

The most common type of property sold in the area is terraced, making up around 63% of transactions , followed by detached and semi-detached.

Housing in SA6 8NL is mixed, with 50% of homes being owner-occupied, indicating a diverse residential makeup.

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Property Sales

11 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£274,422
streetscan.co.uk estimate
23 May 2025
£270,000

12 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 4bed
📐 678 sq ft
Today
£132,916
streetscan.co.uk estimate
5 Oct 2007
£90,000
More details

16 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 3bed
📐 721 sq ft
Today
£164,923
streetscan.co.uk estimate
28 Apr 1995
£31,950
More details

20 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 4bed
📐 1044 sq ft
Today
£163,911
streetscan.co.uk estimate
20 Dec 2023
£150,000
29 Sep 2014
£120,000
View +1 more
More details

21 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£199,456
streetscan.co.uk estimate
14 Jan 2006
£115,000
29 Apr 1997
£13,000

22 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ bed
📐 969 sq ft
Today
£224,896
streetscan.co.uk estimate
20 May 2022
£200,000
4 Mar 2019
£155,000
View +1 more
More details

25 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£220,097
streetscan.co.uk estimate
15 Feb 2008
£150,000

26 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Semi-detached
🛏️ 5bed
📐 1152 sq ft
Today
£221,772
streetscan.co.uk estimate
19 Aug 2025
£223,000
21 Jun 2019
£117,000
More details

27 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£231,169
streetscan.co.uk estimate
31 Oct 2008
£149,000

39 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 5bed
📐 990 sq ft
Today
£180,412
streetscan.co.uk estimate
16 Feb 2007
£118,000
15 Jul 2005
£62,000
More details

4 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£193,282
streetscan.co.uk estimate
28 Feb 2014
£120,000
5 Jun 1996
£51,500

41 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£214,396
streetscan.co.uk estimate
14 Jan 2005
£107,000
27 Apr 2001
£57,950

45 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 5bed
📐 926 sq ft
Today
£193,345
streetscan.co.uk estimate
17 Feb 2017
£122,000
More details

48 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£219,221
streetscan.co.uk estimate
31 May 2003
£80,000
2 Mar 2000
£35,000

50 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£232,092
streetscan.co.uk estimate
3 May 2002
£59,950

54 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 4bed
📐 818 sq ft
Today
£167,064
streetscan.co.uk estimate
8 Apr 2022
£145,950
1 Aug 2018
£107,000
View +3 more
More details

56 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 1bed
📐 301 sq ft
Today
£72,915
streetscan.co.uk estimate
13 Aug 2015
£45,000
23 Apr 2004
£81,000
View +2 more
More details

58 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

Today
£104,135
streetscan.co.uk estimate
8 Aug 2025
£105,000

60 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 5bed
📐 872 sq ft
Today
£78,551
streetscan.co.uk estimate
7 Sep 2016
£50,000
More details

9 Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Terraced
🛏️ 5bed
📐 1119 sq ft
Today
£116,699
streetscan.co.uk estimate
20 Dec 2005
£67,500
More details

The Cottage Trewyddfa Road, Plasmarl, Swansea, SA6 8NL

🏠 Semi-detached
🛏️ 3bed
📐 700 sq ft
Today
£183,777
streetscan.co.uk estimate
27 Sep 2019
£128,000
14 Dec 2007
£120,000
View +1 more
More details

Area Insights

Data Sources

Properties at SA6 8NL appear fourty times in the Land Registry records, with the latest transaction recorded on 19 Aug 2025. It also has twelve Energy Performance Certificates (EPC) entries, the earliest dating back to 28 Jun 2016. 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.