Every figure on this page comes from the public record: 14,523 sales registered with HM Land Registry in NP12 (Blackwood) since 1995, each one a completed purchase at a real price, plus current rental figures from the ONS. Nothing here is a valuation, an estimate or an asking price.
Sales data to May 2026. Rents: ONS, May 2026. Regenerated with every monthly data refresh.
NP12 is the postcode district covering Blackwood, Pontllanfraith, Wyllie in Blackwood. Districts are a practical way to slice a market: small enough to mean something locally, big enough to have a steady flow of sales to measure.
Where NP12 sits
Click the map to open NP12 on the live map, with every sale plotted at its address. The average pricing view shades the whole country the same way.
£229,000median sold price, 2026
+43%five-year change (cash)
335sales in the last 12 months
3.9%gross rental yield (est.)
What a home in NP12 sells for
The 2026 median in NP12 is £229,000, from 83 registered sales; the mean, £238,900, sits almost on top of it, so sales bunch tightly around the typical price.
For scale: the England and Wales median is £274,000, so NP12 trades 16% below the country as a whole.
The price of a typical NP12 home, 1995 to 2026
The median as recorded at the time, and each year restated in today's money (ONS CPIH), the sharper test of whether homes really got dearer. Hover for the year-by-year figures; click a legend entry to isolate a series.
Price at the timeIn today's money (CPIH)
See this chart as a table
Year
Median (cash)
Median (today's £)
Sales
2026
£229,000
£229,000
83
2025
£195,000
£195,000
463
2024
£195,000
£202,483
505
2023
£170,000
£182,426
369
2022
£181,800
£208,202
556
2021
£160,000
£197,849
632
2020
£158,000
£200,220
467
2019
£138,000
£176,660
622
2018
£125,000
£162,736
480
2017
£120,000
£159,846
482
2016
£117,000
£159,861
451
2015
£117,000
£161,460
442
2014
£110,000
£152,410
366
2013
£105,000
£147,556
359
2012
£115,000
£165,313
285
2011
£115,000
£169,551
276
2010
£102,000
£156,226
287
2009
£100,000
£156,997
232
2008
£115,000
£184,107
276
2007
£123,000
£203,770
559
2006
£118,500
£200,897
611
2005
£110,000
£191,184
499
2004
£95,500
£169,396
556
2003
£73,700
£132,602
589
2002
£56,000
£102,903
582
2001
£53,000
£99,510
597
2000
£52,000
£99,667
582
1999
£47,000
£91,481
603
1998
£45,000
£88,714
528
1997
£43,700
£87,527
492
1996
£42,000
£86,507
382
1995
£40,000
£84,923
310
In cash terms the typical NP12 home went from £40,000 in 1995 to £229,000 in 2026, roughly 6 times the price. Even after inflation that is a real rise of about 170%: homes here genuinely became dearer, not just more expensive on paper.
Year-on-year change in the NP12 median
Each bar is the change on the year before, in cash. The zero line is the boundary between rising and falling.
The strongest year on record here is 2003 (+31.6% on the year before); the weakest, 2009 (−13.0%). Single-year swings like these are why the annualised table below matters more than any one year's headline.
Annualised returns
Period
Cash, per year
Real terms, per year
1 years (since 2025)
+17.4%
+17.4%
5 years (since 2021)
+7.4%
+3.0%
10 years (since 2016)
+6.9%
+3.7%
20 years (since 2006)
+3.3%
+0.7%
Compound annual growth of the median sold price; the real column deflates by ONS CPIH. Annualised figures smooth the cycle (the chart above shows the cycle), and past growth is a record, not a forecast.
Transaction volumes
How many homes change hands
Recorded sales per year. The dip after 2008 is the financial crisis; the last bar is still filling in as recent sales get registered.
The last five years, month by month
Monthly registrations. The sawtooth is seasonal; the register runs weeks behind completions at the right-hand edge.
NP12 recorded 335 sales in the last twelve months of data. Like most of England and Wales, turnover never fully recovered from 2008: the market here averaged 572 sales a year before the financial crisis and 395 a year over the last five. Volume matters as much as price: when few homes change hands, the median gets jumpy and a single street can move the figure. The most recent year is always still filling in, because sales appear in the Land Registry weeks or months after completion.
What homes rent for around NP12
NP12 falls under Caerphilly, where the ONS puts the average private rent at £742 a month (May 2026 figures). A one-bed averages £548 a month here and a four-or-more-bed £1,091, so size does most of the work in setting the rent.
Average monthly rent by size, Caerphilly
ONS Price Index of Private Rents, May 2026.
Set against the £229,000 median sold price, £742 a month is £8,904 a year, a gross yield of 3.9%: gross, before letting costs, voids, maintenance and tax, so a ceiling rather than a promise. Rents are published at local-authority level, so nearby districts in the same authority share these figures.
Will NP12 prices rise from here?
Nobody can tell you that, and this page will not pretend to. What the record shows: the median is up 43% over five years in cash and up 16% after inflation. If you are weighing a purchase, read the volume chart alongside the price one, and remember that every figure here is a completed sale, lagged by the weeks it takes the Land Registry to register it.
Ladders and snakes: five-year risers and fallers
NP12 ranks 1 of 18 in the NP area on five-year growth. The gap between the top and bottom of this chart is the difference between buying well and buying badly in the same city.
Five-year change in the median, NP area districts
The biggest risers and fallers in cash terms; every row links to that district's report.
Inside NP12, street group by street group
Postcode sectors are the next slice down, each a group of streets. Prices can differ sharply between two sectors a few minutes' walk apart.
How this page is made: the statistics are computed from HM Land Registry Price Paid Data (Crown copyright, OGL v3.0), geocoded to address level; inflation adjustment uses the ONS CPIH index; rents are the ONS Price Index of Private Rents at local-authority level. Medians of recorded sales, not valuations. Nothing on this page is financial advice.