Over the past 30 years, there have been 70 property sales recorded in the SG12 0SY postcode area. The highest sale price reached £1,587,500, while the most recent sale was for a terraced house sold in October 2025 for £493,000.

The estimated average property value in SG12 0SY currently stands at £666,034, which is approximately 55.1% 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 £6,146.

Property prices in SG12 0SY have risen by 2.1% over the past year , with a total increase of 12.8% over the past five years , and a long-term rise of 40.1% over the past decade .

The most common type of property sold in the area is terraced, making up around 61% of transactions , followed by semi-detached and detached.

Housing in SG12 0SY is predominantly owner-occupied, with an estimated 89% of homes being lived in by the owners.

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Property Sales

11 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Semi-detached
🛏️ 6bed
📐 1216 sq ft
Today
£584,984
streetscan.co.uk estimate
16 Oct 2020
£510,000
29 Apr 1997
£115,000
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14 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£668,697
streetscan.co.uk estimate
30 Aug 2016
£525,000
3 Feb 2006
£410,000
17 Nov 1995
£121,800

15 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Terraced
🛏️ 6bed
📐 1078 sq ft
Today
£779,815
streetscan.co.uk estimate
17 Jun 2014
£499,995
8 Oct 2010
£475,000
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16 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£494,053
streetscan.co.uk estimate
19 Mar 2021
£427,000

17 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£392,222
streetscan.co.uk estimate
24 Jan 2014
£240,000

18 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£603,412
streetscan.co.uk estimate
19 Dec 1997
£120,000

18A The Windmill Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£1,007,858
streetscan.co.uk estimate
16 Jun 2008
£550,000
11 Dec 2001
£347,500
4 Oct 1996
£210,000

19 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Terraced
🛏️ 4bed
📐 603 sq ft
Today
£380,154
streetscan.co.uk estimate
12 Jul 2024
£350,000
27 Jul 2007
£225,000
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21 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Detached
🛏️ 3bed
📐 646 sq ft
Today
£418,511
streetscan.co.uk estimate
24 Sep 2004
£200,000
16 Jan 1998
£94,950
More details

23 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£420,795
streetscan.co.uk estimate
10 Oct 2003
£180,000
28 Aug 1998
£96,000

27 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£742,848
streetscan.co.uk estimate
23 Jan 2007
£389,995

28 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Semi-detached
🛏️ 8bed
📐 1389 sq ft
Today
£705,305
streetscan.co.uk estimate
29 Jun 2023
£637,500
More details

31 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Detached
🛏️ 10bed
📐 2745 sq ft
Today
£1,822,296
streetscan.co.uk estimate
21 Jun 2021
£1,587,500
More details

32 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£500,083
streetscan.co.uk estimate
16 Apr 2018
£425,000

33 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Detached
🛏️ 10bed
📐 2691 sq ft
Today
£1,578,947
streetscan.co.uk estimate
8 Jun 2015
£1,125,000
15 Feb 1996
£360,000
More details

36 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Terraced
🛏️ 4bed
📐 710 sq ft
Today
£544,965
streetscan.co.uk estimate
27 Mar 2015
£370,000
20 Oct 2006
£291,000
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37 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Semi-detached
🛏️ 7bed
📐 2037 sq ft
Today
£824,025
streetscan.co.uk estimate
23 May 2013
£459,000
12 Mar 2004
£355,000
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More details

39 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Other
🛏️ 5bed
📐 1582 sq ft
Today
£852,445
streetscan.co.uk estimate
11 Jan 2019
£827,500
More details

4 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Detached
🛏️ 4bed
📐 732 sq ft
Today
£726,066
streetscan.co.uk estimate
26 Sep 2014
£488,000
More details

40 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Terraced
🛏️ 3bed
📐 732 sq ft
Today
£494,401
streetscan.co.uk estimate
2 Oct 2025
£493,000
2 Sep 2024
£452,500
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More details

48 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£404,108
streetscan.co.uk estimate
13 Sep 2019
£340,000
27 Sep 2013
£236,000
7 Jul 2009
£215,000
23 Nov 2005
£199,950
21 Mar 2003
£155,000

5 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Semi-detached
🛏️ 4bed
📐 1938 sq ft
Today
£657,151
streetscan.co.uk estimate
14 Jun 2019
£550,000
More details

56 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Terraced
🛏️ 4bed
📐 798 sq ft
Today
£503,430
streetscan.co.uk estimate
27 Jul 2012
£280,000
10 Jul 2009
£238,000
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58 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Terraced
🛏️ 4bed
📐 1001 sq ft
Today
£520,546
streetscan.co.uk estimate
23 Apr 2020
£436,000
4 Oct 2013
£250,000
More details

6 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Detached
🛏️ 5bed
📐 1442 sq ft
Today
£818,614
streetscan.co.uk estimate
26 Sep 2024
£795,000
24 Apr 2007
£515,000
More details

60 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Terraced
🛏️ 4bed
📐 738 sq ft
Today
£465,756
streetscan.co.uk estimate
3 Jan 2014
£284,995
1 Feb 2006
£217,500
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More details

62 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Semi-detached
🛏️ 8bed
📐 2160 sq ft
Today
£1,316,278
streetscan.co.uk estimate
14 Sep 2009
£660,000
13 Apr 2006
£570,000
More details

7 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

🏠 Detached
🛏️ 6bed
📐 1259 sq ft
Today
£622,134
streetscan.co.uk estimate
20 Sep 2022
£600,000
More details

Mill Cottage, 62 Ermine Street, Thundridge, Ware, East Hertfordshire, Hertfordshire, SG12 0SY

Today
£424,570
streetscan.co.uk estimate
13 Nov 2017
£350,000

Area Insights

Data Sources

Properties at SG12 0SY appear seventy times in the Land Registry records, with the latest transaction recorded on 2 Oct 2025. It also has nineteen Energy Performance Certificates (EPC) entries, the earliest dating back to 19 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.