Over the past 30 years, there have been 37 property sales recorded in the NP12 1DB postcode area. The highest sale price reached £365,000, while the most recent sale was for a semi-detached house sold in January 2025 for £365,000.

The estimated average property value in NP12 1DB currently stands at £262,022, 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 £3,003.

Property prices in NP12 1DB have risen by 8.1% over the past year , with a total increase of 41.9% over the past five years, and a long-term rise of 85.8% over the past decade.

100% of recorded transactions in the area were for semi-detached properties.

Housing in NP12 1DB is predominantly owner-occupied, with an estimated 92% of homes being lived in by the owners.

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Property Sales

1 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 6bed
📐 1335 sq ft
Today
£308,318
streetscan.co.uk estimate
28 Jul 2023
£280,000
28 Jul 2000
£65,950
More details

10 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 5bed
📐 904 sq ft
Today
£285,412
streetscan.co.uk estimate
14 Jun 2019
£195,000
13 Mar 2017
£139,000
View +3 more
More details

12 Caernarvon Place, Blackwood, Islwyn, Gwent, NP12 1DB

Today
£270,896
streetscan.co.uk estimate
6 Jan 1995
£49,000

13 Caernarvon Place, Blackwood, Islwyn, Gwent, NP12 1DB

Today
£229,042
streetscan.co.uk estimate
3 Nov 1995
£41,000

16 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 4bed
📐 840 sq ft
Today
£239,889
streetscan.co.uk estimate
2 Aug 2024
£225,500
23 Oct 1998
£52,500
View +1 more
More details

17 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 4bed
📐 904 sq ft
Today
£236,897
streetscan.co.uk estimate
14 Mar 2011
£123,000
More details

18 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

Today
£282,441
streetscan.co.uk estimate
23 Jul 1999
£58,500
26 Feb 1999
£56,500

2 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 5bed
📐 958 sq ft
Today
£228,643
streetscan.co.uk estimate
20 Nov 1998
£48,000
29 Aug 1997
£58,000
More details

22 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 5bed
📐 861 sq ft
Today
£252,844
streetscan.co.uk estimate
12 Aug 2016
£150,000
11 Dec 2009
£128,500
View +2 more
More details

23 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 5bed
📐 883 sq ft
Today
£266,742
streetscan.co.uk estimate
25 Aug 2017
£164,995
31 Aug 2016
£120,000
More details

24 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

Today
£254,947
streetscan.co.uk estimate
10 Mar 2000
£54,000
2 Oct 1995
£54,500

27 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

Today
£232,551
streetscan.co.uk estimate
12 Nov 1999
£51,000

29 Caernarvon Place, Blackwood, Islwyn, Gwent, NP12 1DB

🏠 Semi-detached
🛏️ 4bed
📐 861 sq ft
Today
£298,539
streetscan.co.uk estimate
27 Jan 1995
£54,000
More details

3 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 4bed
📐 753 sq ft
Today
£246,734
streetscan.co.uk estimate
19 May 2017
£151,000
7 Sep 2012
£117,000
More details

30 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 5bed
📐 865 sq ft
Today
£275,448
streetscan.co.uk estimate
19 Aug 2005
£142,500
More details

32 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 6bed
📐 1335 sq ft
Today
£373,041
streetscan.co.uk estimate
23 Jan 2025
£365,000
26 Aug 2005
£158,000
More details

5 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

Today
£279,014
streetscan.co.uk estimate
30 May 2003
£91,000

6 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 4bed
📐 1044 sq ft
Today
£229,238
streetscan.co.uk estimate
18 Sep 2020
£165,000
More details

7 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

Today
£250,469
streetscan.co.uk estimate
24 Oct 1996
£50,000

8 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 5bed
📐 1001 sq ft
Today
£238,133
streetscan.co.uk estimate
6 Jan 2025
£233,000
More details

9 Caernarvon Place, Blackwood, Caerphilly, NP12 1DB

🏠 Semi-detached
🛏️ 4bed
📐 844 sq ft
Today
£235,987
streetscan.co.uk estimate
12 Aug 2016
£140,000
More details

Area Insights

Data Sources

Properties at NP12 1DB appear thirty-seven times in the Land Registry records, with the latest transaction recorded on 23 Jan 2025. It also has fourteen Energy Performance Certificates (EPC) entries, the earliest dating back to 3 Sep 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.

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