Over the past 31 years, there have been 151 property sales recorded in the SN8 1XG postcode area. The highest sale price reached £305,000, while the most recent sale was for a terraced flat sold in December 2025 for £160,000.

The estimated average property value in SN8 1XG currently stands at £203,729, which is approximately 57.4% 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 £3,749.

Property prices in SN8 1XG have risen by 1.2% over the past year , with a total increase of 10.2% over the past five years , and a long-term rise of 22.1% over the past decade .

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

Housing in SN8 1XG is predominantly owner-occupied, with an estimated 90% of homes being lived in by the owners.

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Property Sales

17, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

Today
£190,166
streetscan.co.uk estimate
22 Oct 2015
£160,000
28 Apr 2006
£145,000
15 Oct 2003
£122,500

Flat 1, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 592 sq ft
Today
£144,809
streetscan.co.uk estimate
6 Dec 2023
£149,000
18 Jan 2013
£147,500
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Flat 10, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£217,483
streetscan.co.uk estimate
5 Jun 2020
£200,000
8 Aug 1997
£69,000
More details

Flat 11, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 570 sq ft
Today
£179,605
streetscan.co.uk estimate
20 Mar 2023
£190,000
8 Sep 2017
£225,000
View +3 more
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Flat 12, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 560 sq ft
Today
£190,711
streetscan.co.uk estimate
24 Jun 2016
£167,000
25 Jul 2002
£105,000
View +1 more
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Flat 14, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 538 sq ft
Today
£122,634
streetscan.co.uk estimate
5 Nov 2025
£125,000
13 Dec 2013
£150,000
View +3 more
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Flat 15, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 474 sq ft
Today
£163,777
streetscan.co.uk estimate
30 Apr 2018
£155,000
11 Jun 1999
£72,000
View +2 more
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Flat 16, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

Today
£194,867
streetscan.co.uk estimate
8 Jan 2016
£165,000
19 Jun 2009
£123,000
21 Mar 2006
£145,000
23 Jan 2004
£125,000

Flat 17, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 495 sq ft
Today
£138,407
streetscan.co.uk estimate
13 Jun 2025
£139,000
17 Mar 2021
£155,000
More details

Flat 18-19, Castle Court River Park, Marlborough, Kennet, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 4bed
📐 969 sq ft
Today
£371,980
streetscan.co.uk estimate
24 Sep 2008
£305,000
More details

Flat 18, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

Today
£123,937
streetscan.co.uk estimate
9 Nov 2021
£125,000

Flat 19, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

Today
£121,781
streetscan.co.uk estimate
10 Feb 2022
£124,000

Flat 2, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 431 sq ft
Today
£266,191
streetscan.co.uk estimate
31 Oct 2012
£200,000
31 Jul 2002
£140,000
More details

Flat 20, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 655 sq ft
Today
£223,702
streetscan.co.uk estimate
17 May 2019
£205,000
28 Apr 2011
£190,000
More details

Flat 21, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£244,137
streetscan.co.uk estimate
29 Oct 2013
£185,000
6 Mar 1998
£90,100
View +1 more
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Flat 22, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 624 sq ft
Today
£208,636
streetscan.co.uk estimate
2 Dec 2022
£222,500
9 Apr 2009
£145,000
View +1 more
More details

Flat 23, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 850 sq ft
Today
£207,576
streetscan.co.uk estimate
7 May 2020
£190,000
12 Feb 1999
£84,000
More details

Flat 24, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 633 sq ft
Today
£197,997
streetscan.co.uk estimate
13 May 2022
£205,000
13 Sep 2013
£175,000
View +2 more
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Flat 25, Castle Court River Park, Marlborough, Kennet, Wiltshire, SN8 1XG

Today
£66,856
streetscan.co.uk estimate
31 Aug 2005
£51,450
23 Jan 2003
£90,000
10 Apr 1995
£59,500

Flat 26, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

Today
£202,574
streetscan.co.uk estimate
18 Mar 2016
£175,000

Flat 27, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 484 sq ft
Today
£97,799
streetscan.co.uk estimate
2 Feb 2024
£100,000
21 Feb 2020
£141,950
View +2 more
More details

Flat 28, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£124,069
streetscan.co.uk estimate
4 Jul 2025
£125,000
14 Dec 2007
£137,000
View +3 more
More details

Flat 29, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 463 sq ft
Today
£120,730
streetscan.co.uk estimate
13 Dec 2024
£125,000
19 Jul 2019
£137,000
View +3 more
More details

Flat 3, Castle Court River Park, Marlborough, Kennet, Wiltshire, SN8 1XG

Today
£223,664
streetscan.co.uk estimate
21 Nov 2008
£175,000

Flat 30, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 470 sq ft
Today
£207,209
streetscan.co.uk estimate
15 Dec 2016
£185,000
17 Aug 2012
£135,000
View +2 more
More details

Flat 31, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 883 sq ft
Today
£205,738
streetscan.co.uk estimate
15 Jun 2022
£215,000
21 Feb 2014
£158,450
More details

Flat 32, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 4bed
📐 883 sq ft
Today
£195,539
streetscan.co.uk estimate
9 Aug 2022
£210,000
4 Mar 2013
£199,950
View +2 more
More details

Flat 33, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 495 sq ft
Today
£171,135
streetscan.co.uk estimate
23 Jan 2015
£135,000
3 Apr 1997
£54,950
More details

Flat 34, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£252,337
streetscan.co.uk estimate
14 Aug 2014
£195,000
29 Oct 2004
£172,500
View +1 more
More details

Flat 35, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£281,660
streetscan.co.uk estimate
16 Apr 2013
£208,000
18 Dec 1996
£75,000
More details

Flat 36, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£219,938
streetscan.co.uk estimate
23 Mar 2016
£190,000
1 May 2015
£180,000
View +1 more
More details

Flat 37, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£229,319
streetscan.co.uk estimate
24 Jan 2011
£175,000
More details

Flat 38, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£205,671
streetscan.co.uk estimate
25 Nov 2022
£220,000
4 Sep 2008
£185,000
View +1 more
More details

Flat 39, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 484 sq ft
Today
£192,187
streetscan.co.uk estimate
11 Nov 2016
£172,000
9 Apr 1998
£62,000
View +1 more
More details

Flat 4, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 624 sq ft
Today
£219,694
streetscan.co.uk estimate
22 Nov 2022
£235,000
30 Sep 2019
£230,000
View +1 more
More details

Flat 40, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 4bed
📐 614 sq ft
Today
£185,623
streetscan.co.uk estimate
20 May 2024
£190,000
20 Dec 2021
£200,000
View +1 more
More details

Flat 41, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 527 sq ft
Today
£128,788
streetscan.co.uk estimate
14 Mar 2025
£135,000
16 Apr 2019
£160,000
View +5 more
More details

Flat 42, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 527 sq ft
Today
£123,937
streetscan.co.uk estimate
12 Nov 2021
£125,000
9 Oct 2007
£150,000
View +1 more
More details

Flat 43, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 883 sq ft
Today
£234,187
streetscan.co.uk estimate
13 Feb 2023
£250,000
26 Mar 2014
£232,000
View +1 more
More details

Flat 44, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 495 sq ft
Today
£190,166
streetscan.co.uk estimate
20 Oct 2015
£160,000
21 Mar 1997
£57,500
View +1 more
More details

Flat 45, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 549 sq ft
Today
£144,876
streetscan.co.uk estimate
12 Dec 2024
£150,000
1 Mar 2013
£131,000
More details

Flat 47, Castle Court River Park, Marlborough, Kennet, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 721 sq ft
Today
£263,840
streetscan.co.uk estimate
3 Jun 1997
£69,000
More details

Flat 48, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 4bed
📐 1001 sq ft
Today
£230,490
streetscan.co.uk estimate
21 Mar 2013
£167,000
28 Sep 2001
£165,000
View +1 more
More details

Flat 5, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 506 sq ft
Today
£148,019
streetscan.co.uk estimate
6 Aug 2024
£155,000
13 Oct 2016
£176,500
View +3 more
More details

Flat 6, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 2bed
📐 484 sq ft
Today
£154,855
streetscan.co.uk estimate
3 Dec 2025
£160,000
8 Nov 2011
£145,000
View +4 more
More details

Flat 7, Castle Court River Park, Marlborough, Kennet, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£264,472
streetscan.co.uk estimate
31 Jul 2002
£144,000
12 Sep 2001
£125,000
More details

Flat 8, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 624 sq ft
Today
£229,191
streetscan.co.uk estimate
6 Aug 2024
£240,000
30 May 2017
£220,000
View +4 more
More details

Wardens Flat 9, Castle Court River Park, Marlborough, Wiltshire, SN8 1XG

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£232,709
streetscan.co.uk estimate
9 Oct 2020
£215,000
3 Feb 2014
£175,000
View +2 more
More details

Area Insights

Data Sources

Properties at SN8 1XG appear one hundred and fifty-one times in the Land Registry records, with the latest transaction recorded on 3 Dec 2025. It also has fourty-one Energy Performance Certificates (EPC) entries, the earliest dating back to 26 Jun 2013. 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.