Over the past 30 years, there have been 35 property sales recorded in the SA1 4NQ postcode area. The highest sale price reached £235,000, while the most recent sale was a property sold in May 2025 for £71,566.

The estimated average property value in SA1 4NQ currently stands at £205,001, which is approximately 15.9% 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 £1,826.

Property prices in SA1 4NQ have risen by 4.9% over the past year , with a total increase of 36.9% over the past five years, and a long-term rise of 59.6% over the past decade.

The most common type of property sold in the area is terraced, making up around 97% of transactions , followed by detached.

Housing in SA1 4NQ is mixed, with 44% of homes being , indicating a diverse residential makeup.

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Property Sales

142 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 4bed
📐 1001 sq ft
Today
£168,373
streetscan.co.uk estimate
3 Jun 2016
£105,000
More details

143 St Helens Avenue, Swansea, SA1 4NQ

Today
£163,981
streetscan.co.uk estimate
11 Nov 2005
£95,000

144 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1302 sq ft
Today
£177,113
streetscan.co.uk estimate
26 Nov 2014
£108,000
More details

145 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 5bed
📐 1249 sq ft
Today
£250,975
streetscan.co.uk estimate
16 Oct 2023
£235,000
10 Jul 2015
£138,500
More details

147 St Helens Avenue, Swansea, SA1 4NQ

Today
£73,117
streetscan.co.uk estimate
27 May 2025
£71,566

148 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1163 sq ft
Today
£218,548
streetscan.co.uk estimate
17 Jan 2011
£125,000
More details

149 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 5bed
📐 936 sq ft
Today
£134,658
streetscan.co.uk estimate
16 Mar 2006
£80,000
More details

150 St Helens Avenue, Swansea, SA1 4NQ

Today
£236,000
streetscan.co.uk estimate
15 Mar 2002
£59,000
24 Aug 2001
£38,500

151 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 4bed
📐 883 sq ft
Today
£119,044
streetscan.co.uk estimate
10 Jul 2020
£85,000
More details

152 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 7bed
📐 1302 sq ft
Today
£303,776
streetscan.co.uk estimate
25 Jul 2014
£190,000
13 Jul 2007
£148,500
More details

154 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1345 sq ft
Today
£203,978
streetscan.co.uk estimate
14 Mar 2022
£175,000
15 Feb 2006
£220,000
More details

155 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 5bed
📐 1109 sq ft
Today
£271,653
streetscan.co.uk estimate
3 Oct 2003
£104,000
More details

158 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1270 sq ft
Today
£242,539
streetscan.co.uk estimate
19 Apr 2010
£147,000
11 Apr 1997
£45,263
More details

159 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 7bed
📐 1507 sq ft
Today
£237,932
streetscan.co.uk estimate
22 Sep 2006
£147,500
More details

161 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 5bed
📐 1442 sq ft
Today
£220,520
streetscan.co.uk estimate
1 Nov 2024
£207,500
27 Aug 1999
£66,500
More details

162 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1098 sq ft
Today
£241,763
streetscan.co.uk estimate
6 May 2022
£215,000
14 Jul 2007
£189,500
View +1 more
More details

165 St Helens Avenue, Swansea, SA1 4NQ

Today
£260,160
streetscan.co.uk estimate
1 May 1998
£54,000
13 Apr 1995
£51,000

166 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 5bed
📐 1023 sq ft
Today
£163,994
streetscan.co.uk estimate
4 Nov 2014
£100,000
More details

167 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1292 sq ft
Today
£198,899
streetscan.co.uk estimate
25 Feb 2005
£100,000
More details

168 St Helens Avenue, Swansea, SA1 4NQ

🏠 Detached
🛏️ 5bed
📐 1475 sq ft
Today
£227,047
streetscan.co.uk estimate
14 Oct 2005
£133,000
More details

169 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1119 sq ft
Today
£255,202
streetscan.co.uk estimate
16 Jun 2021
£210,000
20 Nov 2009
£137,000
View +2 more
More details

170 St Helens Avenue, Swansea, SA1 4NQ

🏠 Terraced
🛏️ 6bed
📐 1313 sq ft
Today
£226,884
streetscan.co.uk estimate
29 Sep 1995
£45,000
More details

172 St Helens Avenue, Swansea, SA1 4NQ

Today
£193,213
streetscan.co.uk estimate
6 Dec 1996
£38,500

Area Insights

Data Sources

Properties at SA1 4NQ appear thirty-five times in the Land Registry records, with the latest transaction recorded on 27 May 2025. It also has eighteen Energy Performance Certificates (EPC) entries, the earliest dating back to 9 Jan 2019. 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.