Over the past 30 years, there have been 24 property sales recorded in the NP12 0PY postcode area. The highest sale price reached £130,000, while the most recent sale was for a terraced house sold in August 2025 for £130,000.

The estimated average property value in NP12 0PY currently stands at £132,381, which is approximately 50.5% 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 £1,481.

Property prices in NP12 0PY have risen by 8.4% over the past year , with a total increase of 43.8% over the past five years , and a long-term rise of 77.7% over the past decade .

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

Housing in NP12 0PY is predominantly owner-occupied, with an estimated 55% of homes being lived in by the owners.

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Property Sales

1 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

Today
£216,370
streetscan.co.uk estimate
28 Feb 2007
£125,000
14 Jul 1995
£24,000

11 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 4bed
📐 775 sq ft
Today
£124,036
streetscan.co.uk estimate
19 Oct 2007
£77,000
20 Jan 2003
£33,000
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More details

13 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

Today
£162,805
streetscan.co.uk estimate
7 Mar 2008
£100,000
17 Dec 2004
£79,995
23 Feb 2001
£39,995

14 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 4bed
📐 797 sq ft
Today
£133,500
streetscan.co.uk estimate
29 Aug 2025
£130,000
12 Apr 2013
£40,000
More details

16 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

Today
£145,462
streetscan.co.uk estimate
27 Sep 2002
£38,000
17 Nov 2000
£25,000

20 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 4bed
📐 848 sq ft
Today
£156,271
streetscan.co.uk estimate
30 Jan 2015
£87,500
More details

27 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 4bed
📐 958 sq ft
Today
£124,742
streetscan.co.uk estimate
9 Dec 2022
£117,500
27 Sep 2013
£68,500
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More details

29 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

Today
£169,374
streetscan.co.uk estimate
28 Jul 2000
£36,000
12 Feb 1996
£13,500

31 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 4bed
📐 797 sq ft
Today
£153,866
streetscan.co.uk estimate
19 Jun 2009
£78,950
More details

34 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 5bed
📐 829 sq ft
Today
£94,966
streetscan.co.uk estimate
14 Feb 2020
£65,000
More details

5 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 3bed
📐 797 sq ft
Today
£137,205
streetscan.co.uk estimate
3 Apr 2024
£125,000
12 Feb 2021
£97,500
More details

6 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 3bed
📐 775 sq ft
Today
£78,182
streetscan.co.uk estimate
27 Jun 2019
£53,000
More details

7 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY

🏠 Terraced
🛏️ 6bed
📐 980 sq ft
Today
£97,091
streetscan.co.uk estimate
29 Apr 2025
£90,000
More details

Area Insights

Data Sources

Properties at NP12 0PY appear twenty-four times in the Land Registry records, with the latest transaction recorded on 29 Aug 2025. It also has nine Energy Performance Certificates (EPC) entries, the earliest dating back to 25 May 2015. 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.