Over the past 27 years, there have been 21 property sales recorded in the NP12 1EF postcode area. The highest sale price reached £235,000, while the most recent sale was for a semi-detached house sold in March 2026 for £235,000.

The estimated average property value in NP12 1EF currently stands at £202,993, which is approximately 18% 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 £2,516.

Property prices in NP12 1EF have risen by 8.1% over the past year , with a total increase of 48.5% over the past five years , and a long-term rise of 93.1% over the past decade .

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

Housing in NP12 1EF is predominantly owner-occupied, with an estimated 90% of homes being lived in by the owners.

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Property Sales

41 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 5bed
📐 893 sq ft
Today
£220,542
streetscan.co.uk estimate
24 Sep 2019
£153,000
12 Mar 2014
£85,500
More details

42 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 5bed
📐 710 sq ft
Today
£251,635
streetscan.co.uk estimate
28 Oct 2021
£203,000
30 Nov 2020
£90,000
More details

44 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 4bed
📐 818 sq ft
Today
£235,000
streetscan.co.uk estimate
27 Mar 2026
£235,000
27 Nov 2019
£159,950
View +2 more
More details

51 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

Today
£229,261
streetscan.co.uk estimate
18 Apr 2008
£137,000

52 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 4bed
📐 1067 sq ft
Today
£172,807
streetscan.co.uk estimate
24 Apr 2009
£86,000
More details

53 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 4bed
📐 904 sq ft
Today
£140,494
streetscan.co.uk estimate
7 Oct 2022
£130,000
7 Apr 2000
£42,000
More details

55 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 4bed
📐 904 sq ft
Today
£209,507
streetscan.co.uk estimate
5 Oct 2007
£125,000
More details

56 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 4bed
📐 883 sq ft
Today
£197,821
streetscan.co.uk estimate
18 Nov 2022
£186,000
More details

57 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 5bed
📐 904 sq ft
Today
£160,846
streetscan.co.uk estimate
12 Oct 2012
£82,000
More details

58 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

Today
£220,555
streetscan.co.uk estimate
9 Dec 2005
£118,000

59 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 4bed
📐 947 sq ft
Today
£217,462
streetscan.co.uk estimate
19 May 2006
£120,000
More details

60 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 4bed
📐 894 sq ft
Today
£243,328
streetscan.co.uk estimate
25 Aug 2017
£149,950
27 Aug 2010
£99,000
More details

68 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

Today
£154,778
streetscan.co.uk estimate
17 Jul 1998
£32,950

70 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EF

🏠 Semi-detached
🛏️ 5bed
📐 850 sq ft
Today
£218,641
streetscan.co.uk estimate
27 Nov 2015
£128,000
More details

Area Insights

Data Sources

Properties at NP12 1EF appear twenty-one times in the Land Registry records, with the latest transaction recorded on 27 Mar 2026. It also has eleven Energy Performance Certificates (EPC) entries, the earliest dating back to 4 Aug 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.