Over the past 29 years, there have been 79 property sales recorded in the NP12 0AT postcode area. The highest sale price reached £540,000, while the most recent sale was for a terraced house sold in October 2025 for £162,500.

The estimated average property value in NP12 0AT currently stands at £261,822, 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 £1,898.

Property prices in NP12 0AT have risen by 7.5% over the past year , with a total increase of 42.7% over the past five years , and a long-term rise of 77.1% over the past decade .

The most common type of property sold in the area is terraced, making up around 48% of transactions , followed by detached and semi-detached.

Housing in NP12 0AT is predominantly owner-occupied, with an estimated 77% of homes being lived in by the owners.

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Property Sales

10 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 4bed
📐 926 sq ft
Today
£133,292
streetscan.co.uk estimate
5 Aug 2016
£80,000
16 Jun 2006
£70,000
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12 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 4bed
📐 947 sq ft
Today
£212,919
streetscan.co.uk estimate
28 Apr 2023
£187,600
9 Aug 2018
£101,000
View +4 more
More details

13 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 4bed
📐 980 sq ft
Today
£166,362
streetscan.co.uk estimate
6 Dec 2024
£162,000
16 Jun 2021
£95,000
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More details

14 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

Today
£172,586
streetscan.co.uk estimate
2 Sep 2004
£85,000
11 Oct 1996
£21,000

15 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 3bed
📐 947 sq ft
Today
£120,386
streetscan.co.uk estimate
16 Dec 2016
£70,000
4 Nov 2005
£83,000
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More details

16 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 4bed
📐 926 sq ft
Today
£109,764
streetscan.co.uk estimate
25 Apr 2024
£100,000
More details

17 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 5bed
📐 947 sq ft
Today
£165,759
streetscan.co.uk estimate
17 Oct 2025
£162,500
22 Jul 2015
£76,000
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More details

18 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 5bed
📐 872 sq ft
Today
£148,832
streetscan.co.uk estimate
1 Nov 2002
£39,995
7 Apr 2000
£32,000
More details

2 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

Today
£142,654
streetscan.co.uk estimate
4 Jun 2001
£32,500

20 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 4bed
📐 878 sq ft
Today
£167,949
streetscan.co.uk estimate
18 Dec 2009
£89,950
27 Apr 2009
£60,000
More details

21 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 5bed
📐 990 sq ft
Today
£87,541
streetscan.co.uk estimate
21 Dec 2001
£20,000
More details

22 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

Today
£126,079
streetscan.co.uk estimate
28 Feb 2003
£36,950

23 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ 6bed
📐 1313 sq ft
Today
£219,573
streetscan.co.uk estimate
18 Feb 2022
£188,000
19 Sep 2017
£124,000
View +1 more
More details

24 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ 8bed
📐 1033 sq ft
Today
£161,307
streetscan.co.uk estimate
25 Apr 2007
£92,000
19 Mar 1999
£34,950
More details

28 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ bed
📐 1206 sq ft
Today
£253,724
streetscan.co.uk estimate
7 Jun 2019
£172,000
More details

29 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Other
🛏️ 8bed
📐 3251 sq ft
Today
£574,158
streetscan.co.uk estimate
15 Nov 2019
£450,000
10 Oct 2014
£326,500
View +1 more
More details

3 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ 3bed
📐 1019 sq ft
Today
£171,288
streetscan.co.uk estimate
8 Sep 2006
£95,000
8 Jul 2002
£37,000
View +1 more
More details

30 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ bed
📐 1206 sq ft
Today
£240,088
streetscan.co.uk estimate
18 Aug 2020
£169,950
6 Jun 2019
£80,000
More details

31 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ 7bed
📐 3326 sq ft
Today
£530,033
streetscan.co.uk estimate
27 May 2022
£460,000
12 Jul 2019
£382,000
View +2 more
More details

32 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ bed
📐 1206 sq ft
Today
£238,404
streetscan.co.uk estimate
28 May 2021
£185,500
7 Jun 2019
£172,000
More details

33 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ 8bed
📐 2331 sq ft
Today
£571,290
streetscan.co.uk estimate
20 Jun 2008
£339,950
More details

34A Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£237,209
streetscan.co.uk estimate
29 Apr 2022
£200,000
More details

34B Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£244,733
streetscan.co.uk estimate
15 Mar 2022
£210,000
More details

34C Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£244,733
streetscan.co.uk estimate
25 Mar 2022
£210,000
More details

34D Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£249,070
streetscan.co.uk estimate
8 Apr 2022
£210,000
More details

35 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ 10bed
📐 2906 sq ft
Today
£577,832
streetscan.co.uk estimate
16 Dec 2009
£301,000
More details

36A Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£286,253
streetscan.co.uk estimate
29 Sep 2023
£263,000
More details

36B Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£290,199
streetscan.co.uk estimate
22 Mar 2024
£265,000
More details

37 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ 7bed
📐 3229 sq ft
Today
£533,698
streetscan.co.uk estimate
1 Aug 2025
£520,000
14 Apr 2023
£510,000
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More details

38A Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£281,273
streetscan.co.uk estimate
16 Apr 2025
£260,000
17 Feb 2023
£540,000
More details

38B Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Semi-detached
🛏️ bed
📐 1464 sq ft
Today
£291,691
streetscan.co.uk estimate
3 May 2024
£265,000
More details

39 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ 8bed
📐 2398 sq ft
Today
£502,751
streetscan.co.uk estimate
22 Apr 2022
£432,500
9 May 2008
£352,000
View +1 more
More details

41 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ bed
📐 3003 sq ft
Today
£434,312
streetscan.co.uk estimate
28 Apr 2017
£270,000
More details

45 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Other
🛏️ bed
📐 2756 sq ft
Today
£130,094
streetscan.co.uk estimate
29 Mar 2018
£98,000
More details

48 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Detached
🛏️ 10bed
📐 2459 sq ft
Today
£485,735
streetscan.co.uk estimate
14 May 2021
£380,000
30 Jun 2016
£310,000
More details

5 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 5bed
📐 915 sq ft
Today
£145,543
streetscan.co.uk estimate
30 Jan 2025
£142,000
19 Sep 2007
£83,000
More details

6 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 3bed
📐 856 sq ft
Today
£148,434
streetscan.co.uk estimate
26 Sep 2014
£82,000
13 Sep 2013
£76,500
More details

8 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 4bed
📐 861 sq ft
Today
£159,908
streetscan.co.uk estimate
25 Mar 2022
£137,000
More details

9 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

🏠 Terraced
🛏️ 5bed
📐 812 sq ft
Today
£151,476
streetscan.co.uk estimate
9 Feb 2011
£79,000
More details

Hazeldene, 25 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT

Today
£110,938
streetscan.co.uk estimate
23 Aug 2005
£58,000
18 Dec 1998
£56,000

Area Insights

Data Sources

Properties at NP12 0AT appear seventy-nine times in the Land Registry records, with the latest transaction recorded on 17 Oct 2025. It also has thirty-six Energy Performance Certificates (EPC) entries, the earliest dating back to 11 Apr 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.