House prices in NP12
Median value — November 2026
£216,000
Modelled from 8,053 properties Stede tracks in NP12
Market snapshot
£216,000
Median value
£243,444
Average value
306
Sales in the last 12 months
+5%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £48,521 |
| 2001 | £51,083 |
| 2002 | £64,261 |
| 2003 | £82,695 |
| 2004 | £106,220 |
| 2005 | £116,094 |
| 2006 | £121,599 |
| 2007 | £127,298 |
| 2008 | £113,982 |
| 2009 | £112,023 |
| 2010 | £108,831 |
| 2011 | £114,920 |
| 2012 | £110,219 |
| 2013 | £111,950 |
| 2014 | £120,403 |
| 2015 | £122,773 |
| 2016 | £124,400 |
| 2017 | £133,699 |
| 2018 | £144,254 |
| 2019 | £146,851 |
| 2020 | £158,183 |
| 2021 | £177,856 |
| 2022 | £200,136 |
| 2023 | £197,479 |
| 2024 | £206,728 |
| 2025 | £208,224 |
| 2026 | £216,000 |
Property types
- Semi-detached house40%£212,000
- Mid-terrace house30%£165,000
- Detached house29%£341,500
- Flat / Maisonette1%£115,500
- Property0%£309,000
Recent sales
- 65 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JZ£170,000 · 2026£173,000
- 1 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NN£320,000 · 2026£331,000
- 28 Addison Street, Blackwood, Caerphilly, NP12 1EN£242,000 · 2026£256,000
- 54 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HB£230,000 · 2026£225,000
- 42 Cae Collen, Blackwood, Caerphilly, NP12 1FF£185,000 · 2026£199,000
- 20 Islwyn Terrace, Pontllanfraith, Blackwood, Caerphilly, NP12 2LQ£138,000 · 2026£159,000
- 15 Broadmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2NJ£195,000 · 2026£207,000
- 40 Chartist Rise, Pontllanfraith, Blackwood, Caerphilly, NP12 2RR£295,000 · 2026£309,000
Addresses in NP12
- 4 Bramblewood Court, Pengam, Blackwood, Caerphilly, NP12 3QW£365,000 · 2025£391,000
- 4 Bridge Street, Blackwood, Caerphilly, NP12 1AX£95,000 · 2016£168,000
- 4 Britannia Villas, Pengam, Blackwood, Caerphilly, NP12 3TF£411,050 · 2022£459,000
- 4 Bronwydd, Oakdale, Blackwood, Caerphilly, NP12 0GX£115,000 · 2002£391,000
- 4 Brook Rise, Oakdale, Blackwood, Caerphilly, NP12 0ES£280,000 · 2006£473,000
- 4 Bryn Crescent, Markham, Blackwood, Caerphilly, NP12 0QG£59,950 · 2004£159,000
- 4 Bryn Derw, Blackwood, Caerphilly, NP12 1SN£95,000 · 2002£292,000
- 4 Bryn View, Pontllanfraith, Blackwood, Caerphilly, NP12 2QR£320,000 · 2019£510,000
- 4 Brynglas Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2DB£35,000 · 1997£182,000
- 4 Brynhoward Terrace, Oakdale, Blackwood, Caerphilly, NP12 0LE£32,000 · 1999£173,000
- 4 Burnet Drive, Pontllanfraith, Blackwood, Caerphilly, NP12 2FN£372,500 · 2026£388,000
- 4 Cae Collen, Blackwood, Caerphilly, NP12 1FF£220,000 · 2007£363,000
- 4 Cae Garw, Oakdale, Blackwood, Caerphilly, NP12 0NX£174,995 · 2019£227,000
- 4 Cae'r Delyn, Oakdale, Blackwood, Caerphilly, NP12 0NW£1,465,000 · 2018£815,000
- 4 Caer Hen Dy, Oakdale, Blackwood, Caerphilly, NP12 0NY£216,995 · 2021£266,000
- 4 Caer Nant, Oakdale, Blackwood, Caerphilly, NP12 0NZ£239,995 · 2020£326,000
- 4 Caldicot Close, Blackwood, Islwyn, Gwent, NP12 1HH£355,000 · 2021£486,000
- 4 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NW£120,000 · 2013£202,000
- 4 Cefn Y Fferm, Oakdale, Blackwood, Caerphilly, NP12 0EZ£305,500 · 2012£492,000
- 4 Chartist Way, Blackwood, Caerphilly, NP12 1WG£150,000 · 2026£184,000
- 4 Chepstow Close, Grove Park, Blackwood, Caerphilly, NP12 1GP£63,000 · 2003£157,000
- 4 Cherry Tree Road, The Bryn, Blackwood, Caerphilly, NP12 2PY£67,000 · 2000£287,000
- 4 Cherry Trees, Markham, Blackwood, Caerphilly, NP12 0QW£47,500 · 1997£232,000
- 4 Church View, Woodfieldside, Blackwood, Caerphilly, NP12 0BS£130,000 · 2015£209,000
- 4 Cinnabar Drive, Pontllanfraith, Blackwood, Caerphilly, NP12 2FP£192,995 · 2004£329,000
- 4 Clos Carolyn, Blackwood, Caerphilly, NP12 3QT£208,000 · 2023£210,000
- 4 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£174,500 · 2016£316,000
- 4 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£189,950 · 2025£205,000
- 4 Clos Oakdale, Gellihaf, Blackwood, Caerphilly, NP12 2QU£274,995 · 2021£358,000
- 4 Clos Penllwyn, Gellihaf, Blackwood, Caerphilly, NP12 2QW£270,995 · 2021£332,000
- 4 Clos Y Goron, Pontllanfraith, Blackwood, Caerphilly, NP12 2HZ£450,000 · 2022£542,000
- 4 Clyde Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FY£349,950 · 2024£387,000
- 4 Coed Gelli Parc, Cwmgelli, Blackwood, Caerphilly, NP12 1GS£235,000 · 2008£406,000
- 4 Coed Y Bryn, Blackwood, Caerphilly, NP12 1HA£200,000 · 2017£348,000
- 4 Conway Court, Blackwood, Caerphilly, NP12 1DP£140,000 · 2017£252,000
- 4 Coronation Road, Blackwood, Islwyn, Gwent, NP12 1EA£37,950 · 1998£200,000
- 4 Craiglas Crescent, Cefn Fforest, Blackwood, Caerphilly, NP12 3JY£120,000 · 2025£159,000
- 4 Criccieth Close, Grove Park, Blackwood, Caerphilly, NP12 1GH£92,000 · 2012£163,000
- 4 Cwmalsie Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2LP£36,000 · 2001£165,000
- 4 Cwrt Bryn Y Grug, Blackwood, Caerphilly, NP12 1SP£146,500 · 2021£218,000
- 4 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£155,000 · 2013£304,000
- 4 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£96,000 · 2001£330,000
- 4 Darren Court, Oakdale, Blackwood, Caerphilly, NP12 0JF£124,950 · 2013£233,000
- 4 David Street, Blackwood, Caerphilly, NP12 1AP£141,000 · 2021£189,000
- 4 Davies Street, Cefn Fforest, Blackwood, Caerphilly, NP12 3NB£45,000 · 1997£208,000
- 4 Denbigh Close, Blackwood, Caerphilly, NP12 1JH£292,000 · 2007£464,000
- 4 Dolwyddelan Close, Grove Park, Blackwood, Caerphilly, NP12 1GG£155,000 · 2001£523,000
- 4 Edward Street, Fairview, Blackwood, Caerphilly, NP12 3NT£95,000 · 2021£106,000
- 4 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AA£74,950 · 2001£223,000
- 4 Elm Court, Woodfieldside, Blackwood, Caerphilly, NP12 0PL£145,000 · 2019£222,000
About this area
NP12 is a UK postcode district. Stede can model 8,053 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, NP12 has a median estimated value of £216,000 and an average of £243,444.
Modelled values in NP12 are +5% over the past year and +24% over five years.
The market here is mostly semi-detached houses, which make up 40% of the properties Stede tracks in NP12.
306 sales were recorded in NP12 over the past 12 months.
Common questions
What is the average house price in NP12?
As of November 2026, the average estimated value is £243,444 and the median is £216,000 across 8,053 properties Stede tracks in NP12. This is not a formal market valuation.
Are house prices in NP12 going up or down?
Modelled values in NP12 are +5% over the past year and +24% over five years, based on the UK House Price Index.
What types of property are in NP12?
40% of the properties Stede tracks in NP12 are semi-detached houses. mid-terrace houses are next most common, at 30%.
How many properties are in NP12?
Stede can model 8,053 properties in NP12, with 306 recorded sales in the past 12 months.
How does Stede calculate house prices for NP12?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →