Over the past 29 years, there have been 32 property sales recorded in the SA3 4BH postcode area. The highest sale price reached £387,500, while the most recent sale was for a terraced house sold in October 2025 for £260,000.

The estimated average property value in SA3 4BH currently stands at £303,991, which is approximately 27.5% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £3,480.

Property prices in SA3 4BH have risen by 5% over the past year , with a total increase of 37.2% over the past five years , and a long-term rise of 59.1% over the past decade .

100% of recorded transactions in the area were for terraced properties.

Housing in SA3 4BH is predominantly owner-occupied, with an estimated 71% of homes being lived in by the owners.

Click on the map to change the analyzed area

Property Sales

1 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 4bed
📐 832 sq ft
Today
£333,938
streetscan.co.uk estimate
29 Jun 2000
£77,950
More details

10 Castle Street, Mumbles, Swansea, SA3 4BH

Today
£251,731
streetscan.co.uk estimate
27 Jul 1999
£55,000

11 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 4bed
📐 872 sq ft
Today
£345,313
streetscan.co.uk estimate
27 Sep 2023
£325,000
More details

12 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 6bed
📐 969 sq ft
Today
£179,588
streetscan.co.uk estimate
23 Jan 2015
£110,000
26 Jan 2012
£175,000
More details

13 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 4bed
📐 980 sq ft
Today
£169,701
streetscan.co.uk estimate
21 Dec 2017
£112,500
More details

14 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 4bed
📐 1109 sq ft
Today
£414,598
streetscan.co.uk estimate
12 Feb 2024
£387,500
10 Dec 1999
£75,000
More details

15 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 7bed
📐 1055 sq ft
Today
£334,243
streetscan.co.uk estimate
29 Oct 2019
£235,000
More details

16 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 4bed
📐 1033 sq ft
Today
£254,534
streetscan.co.uk estimate
31 Oct 2025
£260,000
31 Jan 2000
£77,500
View +1 more
More details

18 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 5bed
📐 872 sq ft
Today
£366,545
streetscan.co.uk estimate
1 Jul 2003
£128,000
More details

2 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 5bed
📐 1066 sq ft
Today
£359,814
streetscan.co.uk estimate
13 Sep 2022
£341,000
More details

21 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 5bed
📐 1012 sq ft
Today
£347,283
streetscan.co.uk estimate
26 Mar 2021
£274,000
17 Aug 2012
£187,500
View +2 more
More details

3 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 3bed
📐 1152 sq ft
Today
£371,664
streetscan.co.uk estimate
28 Nov 2017
£245,000
10 Sep 1999
£75,500
View +1 more
More details

4 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 4bed
📐 936 sq ft
Today
£369,600
streetscan.co.uk estimate
18 Apr 2001
£88,000
15 Feb 1999
£59,995
More details

6 Castle Street, Mumbles, Swansea, SA3 4BH

Today
£284,204
streetscan.co.uk estimate
31 Aug 2007
£190,000
16 Apr 1999
£62,500

7 Castle Street, Mumbles, Swansea, SA3 4BH

Today
£247,520
streetscan.co.uk estimate
27 Jun 1997
£52,000

8 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 5bed
📐 883 sq ft
Today
£313,616
streetscan.co.uk estimate
14 Oct 2016
£200,000
19 Mar 2010
£195,000
View +1 more
More details

9 Castle Street, Mumbles, Swansea, SA3 4BH

🏠 Terraced
🛏️ 4bed
📐 958 sq ft
Today
£318,545
streetscan.co.uk estimate
21 Oct 2011
£185,000
20 Dec 2000
£97,000
View +1 more
More details

Area Insights

Data Sources

Properties at SA3 4BH appear thirty-two times in the Land Registry records, with the latest transaction recorded on 31 Oct 2025. It also has fourteen Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Dec 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.