Over the past 30 years, there have been 36 property sales recorded in the NP12 1EN postcode area. The highest sale price reached £227,500, while the most recent sale was for a semi-detached house sold in January 2026 for £180,000.

The estimated average property value in NP12 1EN currently stands at £221,557, which is approximately 17.2% 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 £2,846.

Property prices in NP12 1EN have risen by 8.1% over the past year , with a total increase of 45.7% over the past five years , and a long-term rise of 87.5% over the past decade .

The most common type of property sold in the area is semi-detached, making up around 83% of transactions , followed by terraced.

Housing in NP12 1EN is predominantly owner-occupied, with an estimated 73% of homes being lived in by the owners.

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Property Sales

25 Addison Street, Blackwood, Caerphilly, NP12 1EN

Today
£222,398
streetscan.co.uk estimate
13 Apr 2004
£91,000
11 Jul 2003
£78,950
23 Aug 1996
£38,000

27 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 990 sq ft
Today
£181,355
streetscan.co.uk estimate
30 Jan 2026
£180,000
More details

28 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 6bed
📐 893 sq ft
Today
£250,414
streetscan.co.uk estimate
21 May 2024
£227,500
29 Mar 2016
£105,000
More details

30 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 646 sq ft
Today
£165,767
streetscan.co.uk estimate
27 Sep 2019
£115,000
18 Jan 2002
£40,000
View +1 more
More details

37 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 6bed
📐 549 sq ft
Today
£250,804
streetscan.co.uk estimate
6 Jul 2007
£148,000
More details

39 Addison Street, Blackwood, Caerphilly, NP12 1EN

Today
£322,269
streetscan.co.uk estimate
30 Apr 2004
£133,000

40 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 840 sq ft
Today
£228,959
streetscan.co.uk estimate
9 Aug 2013
£121,000
27 Jun 2007
£110,000
View +1 more
More details

41 Addison Street, Blackwood, Caerphilly, NP12 1EN

Today
£169,462
streetscan.co.uk estimate
24 Aug 2007
£100,000

47 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 751 sq ft
Today
£172,870
streetscan.co.uk estimate
5 Feb 2010
£87,000
More details

50 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 4bed
📐 818 sq ft
Today
£103,716
streetscan.co.uk estimate
17 Jan 2024
£95,000
More details

51 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 814 sq ft
Today
£260,514
streetscan.co.uk estimate
31 Jul 2012
£135,000
28 Aug 1998
£33,000
View +1 more
More details

56 Addison Street, Blackwood, Caerphilly, NP12 1EN

Today
£193,667
streetscan.co.uk estimate
11 Jun 2004
£83,000

59 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 4bed
📐 840 sq ft
Today
£207,778
streetscan.co.uk estimate
17 Jan 2014
£110,000
15 Aug 2007
£150,000
More details

63 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 4bed
📐 829 sq ft
Today
£275,257
streetscan.co.uk estimate
13 Apr 2017
£165,000
27 May 2016
£140,000
View +1 more
More details

65 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 872 sq ft
Today
£242,430
streetscan.co.uk estimate
26 Aug 2005
£124,950
More details

67 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 1485 sq ft
Today
£283,444
streetscan.co.uk estimate
12 Sep 2013
£149,000
12 May 2006
£96,000
More details

69 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 968 sq ft
Today
£276,225
streetscan.co.uk estimate
1 Sep 2021
£220,000
26 Jul 2019
£162,000
View +2 more
More details

71 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 4bed
📐 829 sq ft
Today
£187,425
streetscan.co.uk estimate
29 Jul 2016
£112,000
17 Nov 2000
£46,000
More details

73 Addison Street, Blackwood, Caerphilly, NP12 1EN

🏠 Semi-detached
🛏️ 5bed
📐 904 sq ft
Today
£217,095
streetscan.co.uk estimate
3 Dec 2024
£210,000
More details

Area Insights

Data Sources

Properties at NP12 1EN appear thirty-six times in the Land Registry records, with the latest transaction recorded on 30 Jan 2026. It also has fifteen Energy Performance Certificates (EPC) entries, the earliest dating back to 19 Dec 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.