Over the past 30 years, there have been 20 property sales recorded in the SO18 1TY postcode area. The highest sale price reached £173,000, while the most recent sale was for a terraced flat sold in March 2026 for £173,000.

The estimated average property value in SO18 1TY currently stands at £144,935, which is approximately 50.1% 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 £2,688.

Property prices in SO18 1TY have risen by 5.1% over the past year , with a total increase of 14.8% over the past five years , and a long-term rise of 32.6% over the past decade .

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

Housing in SO18 1TY is predominantly owner-occupied, with an estimated 100% of homes being lived in by the owners.

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Property Sales

Flat 1, Castle Heights Castle Road, Bitterne Park, Southampton, SO18 1TY

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£166,095
streetscan.co.uk estimate
17 Sep 2024
£173,000
More details

Flat 2, Castle Heights Castle Road, Bitterne Park, Southampton, SO18 1TY

🏠 Flat
🛏️ 2bed
📐 570 sq ft
Today
£96,101
streetscan.co.uk estimate
20 Jul 2017
£92,000
More details

Flat 3, Castle Heights Castle Road, Southampton, SO18 1TY

🏠 Flat
🛏️ 2bed
📐 538 sq ft
Today
£142,205
streetscan.co.uk estimate
4 Jan 2008
£117,000
11 Jun 2004
£115,500
View +1 more
More details

Flat 5, Castle Heights Castle Road, Southampton, SO18 1TY

Today
£128,593
streetscan.co.uk estimate
30 Jan 1998
£32,500

Flat 6, Castle Heights Castle Road, Bitterne Park, Southampton, SO18 1TY

Today
£134,792
streetscan.co.uk estimate
10 Oct 2022
£146,000
29 Apr 2022
£125,000
5 Jan 2018
£122,000
8 Jun 2007
£118,500
21 Sep 2001
£63,000
19 Jul 1996
£27,000

Flat 7, Castle Heights Castle Road, Bitterne Park, Southampton, SO18 1TY

🏠 Flat
🛏️ 3bed
📐 668 sq ft
Today
£173,000
streetscan.co.uk estimate
17 Mar 2026
£173,000
16 Nov 2020
£160,000
View +2 more
More details

Flat 8, Castle Heights Castle Road, Bitterne Park, Southampton, SO18 1TY

🏠 Flat
🛏️ 3bed
📐 603 sq ft
Today
£131,256
streetscan.co.uk estimate
26 Mar 2025
£137,000
More details

Flat 9, Castle Heights Castle Road, Bitterne Park, Southampton, SO18 1TY

🏠 Flat
🛏️ 3bed
📐 517 sq ft
Today
£122,762
streetscan.co.uk estimate
21 Apr 2022
£128,000
14 Feb 2003
£89,950
View +1 more
More details

Area Insights

Data Sources

Properties at SO18 1TY appear twenty times in the Land Registry records, with the latest transaction recorded on 17 Mar 2026. It also has eight Energy Performance Certificates (EPC) entries, the earliest dating back to 29 Sep 2015. 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.