Postcode · Blackwood
House prices in NP12 3NJ
Every recorded sale in NP12 3NJ, what homes sell for now and how prices have moved since 1995.
- Neighbourhood
- Pengam & Cefn Fforest
- Council
- Caerphilly
- Region
- Wales
- Neighbourhood population
- 1,695 (2024)
What homes sell for in NP12 3NJ
From HM Land Registry’s record of every residential sale in England and Wales, up to August 2026.
Median price
£182,000
Last 12 months, NP12 3
Change
+12%
On the 12 months before
Sales
62
Last 12 months, NP12 3
England & Wales
£291,443
Median, last 12 months
Median price by year in NP12 3
The line shows the yearly median across NP12 3; each dot is an individual sale in NP12 3NJ.
NP12 3NP12 3NJ
£0
£50k
£100k
£150k
£200k
200020052010201520202025
Sales per year
0
50
100
150
19952026
Median by property type, last 12 months
Detached · 11 sales£320,000
Semi-detached · 33 sales£190,000
Terraced · 18 sales£157,500
Sold prices in NP12 3NJ
10 sales across 9 addresses, newest first.
22 St Margarets Avenue
Semi-detached · Freehold
| £140,000 | 7 Jan 2025 |
| £47,000 | 20 Dec 2002 |
52 St Margarets Avenue
Semi-detached · Freehold
| £80,000 | 23 Oct 2020 |
14 St Margarets Avenue
Semi-detached · Freehold
| £80,000 | 9 Jan 2015 |
26 St Margarets Avenue
Semi-detached · Freehold
| £75,000 | 30 May 2014 |
34 St Margarets Avenue
Semi-detached · Freehold
| £75,000 | 5 Apr 2013 |
19 St Margarets Avenue
Semi-detached · Freehold
| £90,000 | 24 Jun 2011 |
9 St Margarets Avenue
Terraced · Freehold
| £123,000 | 28 Apr 2006 |
25 St Margarets Avenue
Semi-detached · Freehold
| £76,000 | 18 Mar 2005 |
27 St Margarets Avenue
Semi-detached · Freehold
| £20,000 | 9 May 1997 |
About this data
Sold prices come from HM Land Registry Price Paid Data for England and Wales, covering residential sales for full market value since 1995. Medians use standard residential sales only. The latest sale in this release is from 28 Aug 2026. Contains HM Land Registry data © Crown copyright and database right, licensed under the Open Government Licence v3.0.