Over the past 29 years, there have been 105 property sales recorded in the CO12 3SX postcode area. The highest sale price reached £310,000, while the most recent sale was for a terraced house sold in August 2025 for £180,000.

The estimated average property value in CO12 3SX currently stands at £256,104, which is roughly in line with the city average (within ±8%), suggesting property prices reflect broader market trends.

In terms of size, the average price per square metre is approximately £3,836.

Property prices in CO12 3SX have risen by 3% over the past year , with a total increase of 21.8% over the past five years, and a long-term rise of 60.1% over the past decade.

The most common type of property sold in the area is detached, making up around 48% of transactions , followed by semi-detached and terraced.

Housing in CO12 3SX is predominantly owner-occupied, with an estimated 83% of homes being lived in by the owners.

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Property Sales

1 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 3bed
📐 581 sq ft
Today
£237,761
streetscan.co.uk estimate
28 May 2019
£186,000
29 Sep 2006
£147,000
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10 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 3bed
📐 581 sq ft
Today
£224,543
streetscan.co.uk estimate
24 Jul 1998
£45,000
7 Jun 1996
£41,995
More details

11 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 3bed
📐 560 sq ft
Today
£242,777
streetscan.co.uk estimate
5 Aug 2022
£245,000
10 Mar 2008
£157,000
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12 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 3bed
📐 592 sq ft
Today
£221,291
streetscan.co.uk estimate
26 May 2021
£190,000
13 Nov 2017
£177,000
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14 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£228,490
streetscan.co.uk estimate
21 Dec 2006
£139,000
28 Jun 1996
£39,995

15 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£233,732
streetscan.co.uk estimate
9 Oct 1996
£38,995

16 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 5bed
📐 980 sq ft
Today
£333,985
streetscan.co.uk estimate
25 Feb 2016
£224,950
7 Nov 2000
£99,000
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17 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 4bed
📐 538 sq ft
Today
£189,252
streetscan.co.uk estimate
2 Nov 2017
£153,000
25 Nov 1998
£45,000
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18 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 6bed
📐 1130 sq ft
Today
£349,058
streetscan.co.uk estimate
25 Jul 2014
£208,500
9 Apr 1999
£83,750
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19 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Terraced
🛏️ 4bed
📐 700 sq ft
Today
£235,710
streetscan.co.uk estimate
7 Dec 2006
£145,500
1 May 1998
£45,500
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2 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£289,311
streetscan.co.uk estimate
8 Mar 2007
£176,000
21 Sep 2004
£166,000
31 Jul 1996
£55,000

20 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 6bed
📐 1109 sq ft
Today
£307,939
streetscan.co.uk estimate
22 Jun 2018
£248,000
2 Aug 2013
£177,500
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21 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£247,934
streetscan.co.uk estimate
17 Jun 1999
£49,995
6 Sep 1996
£40,995

23 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Terraced
🛏️ 3bed
📐 549 sq ft
Today
£233,904
streetscan.co.uk estimate
22 Oct 1998
£45,000
12 Sep 1996
£40,995
More details

25 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Terraced
🛏️ 3bed
📐 538 sq ft
Today
£178,896
streetscan.co.uk estimate
22 Aug 2025
£180,000
30 Aug 1996
£37,045
More details

27 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Terraced
🛏️ 4bed
📐 538 sq ft
Today
£200,154
streetscan.co.uk estimate
25 Aug 2017
£160,000
20 Aug 2003
£106,000
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More details

29 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Terraced
🛏️ 4bed
📐 700 sq ft
Today
£257,862
streetscan.co.uk estimate
31 Mar 2016
£173,500
29 Nov 1996
£50,345
More details

3 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 3bed
📐 570 sq ft
Today
£225,653
streetscan.co.uk estimate
30 Sep 2016
£160,000
28 Oct 1996
£41,325
More details

31 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£317,310
streetscan.co.uk estimate
14 Mar 2003
£149,995
18 Jun 1999
£64,995
9 Jul 1997
£55,000

33 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 4bed
📐 926 sq ft
Today
£290,039
streetscan.co.uk estimate
31 May 2019
£230,000
19 Mar 2004
£155,000
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35 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 4bed
📐 958 sq ft
Today
£263,130
streetscan.co.uk estimate
12 Sep 2024
£255,000
19 Jun 2009
£150,000
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37 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 4bed
📐 701 sq ft
Today
£247,510
streetscan.co.uk estimate
1 Sep 2011
£143,000
22 Sep 2008
£160,000
View +1 more
More details

39 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 5bed
📐 818 sq ft
Today
£310,320
streetscan.co.uk estimate
11 Jul 2023
£310,000
8 Sep 2017
£250,000
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4 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 4bed
📐 753 sq ft
Today
£260,973
streetscan.co.uk estimate
27 Aug 2019
£210,000
7 Dec 2006
£158,000
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41 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 4bed
📐 721 sq ft
Today
£262,853
streetscan.co.uk estimate
1 Oct 2015
£173,250
2 Jul 2009
£143,500
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43 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£294,930
streetscan.co.uk estimate
4 Jan 2008
£195,000
28 Oct 2002
£155,000
1 Aug 1996
£67,500

45 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£328,108
streetscan.co.uk estimate
16 Jan 2007
£197,000
29 Nov 2005
£202,650
20 Nov 2001
£139,000
14 Feb 1997
£74,995

5 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Detached
🛏️ 5bed
📐 913 sq ft
Today
£302,326
streetscan.co.uk estimate
26 Aug 2010
£170,000
18 Apr 2006
£173,500
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More details

6 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 4bed
📐 700 sq ft
Today
£253,250
streetscan.co.uk estimate
28 Apr 2014
£143,500
9 Jun 2005
£153,500
View +1 more
More details

7 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 3bed
📐 603 sq ft
Today
£213,923
streetscan.co.uk estimate
29 Jun 2022
£205,000
23 Oct 2006
£140,000
View +3 more
More details

8 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

🏠 Semi-detached
🛏️ 3bed
📐 592 sq ft
Today
£232,974
streetscan.co.uk estimate
21 Jan 2016
£155,000
18 Jun 1996
£41,995
More details

9 St Denis Close, Harwich, Tendring, Essex, CO12 3SX

Today
£247,698
streetscan.co.uk estimate
5 Dec 1996
£41,325

Area Insights

Data Sources

Properties at CO12 3SX appear one hundred and five times in the Land Registry records, with the latest transaction recorded on 22 Aug 2025. It also has twenty-four Energy Performance Certificates (EPC) entries, the earliest dating back to 23 Jan 2014. 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.