House prices in NP12
Median value — November 2026
£216,000
Modelled from 8,040 properties Stede tracks in NP12
Market snapshot
£216,000
Median value
£243,537
Average value
305
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%£342,000
- 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
- 20 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PS£49,000 · 2004£143,000
- 20 Albany Road, Blackwood, Caerphilly, NP12 1DZ£58,300 · 2015£138,000
- 20 Apollo Way, Blackwood, Caerphilly, NP12 1WA£26,500 · 1997£220,000
- 20 Ashville, Oakdale, Blackwood, Caerphilly, NP12 0JR£130,000 · 2021£184,000
- 20 Beech Grove, Oakdale, Blackwood, Caerphilly, NP12 0JL£135,000 · 2020£201,000
- 20 Bevan Crescent, Blackwood, Caerphilly, NP12 1EW£242,000 · 2026£280,000
- 20 Birchwood Close, Blackwood, Caerphilly, NP12 1WX£73,750 · 1999£317,000
- 20 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BG£145,000 · 2014£248,000
- 20 Blackwood Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2BR£171,500 · 2020£276,000
- 20 Britannia Terrace, Pengam, Blackwood, Caerphilly, NP12 3TE£154,950 · 2020£217,000
- 20 Bronwydd, Oakdale, Blackwood, Caerphilly, NP12 0GX£325,000 · 2024£345,000
- 20 Brook Rise, Oakdale, Blackwood, Caerphilly, NP12 0ES£344,000 · 2025£342,000
- 20 Bryn Road, Markham, Blackwood, Caerphilly, NP12 0QA£155,000 · 2024£186,000
- 20 Brynhyfryd Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2BP£119,000 · 2022£139,000
- 20 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BY£146,600 · 2025£159,000
- 20 Cae Collen, Blackwood, Caerphilly, NP12 1FF£94,950 · 2010£179,000
- 20 Cae'r Delyn, Oakdale, Blackwood, Caerphilly, NP12 0NW£209,995 · 2020£285,000
- 20 Cae'r Nant, Oakdale, Blackwood, Caerphilly, NP12 0NZ£241,995 · 2020£309,000
- 20 Caer Garreg, Oakdale, Blackwood, Caerphilly, NP12 0PA£172,995 · 2020£175,000
- 20 Caer Hen Dy, Oakdale, Blackwood, Caerphilly, NP12 0NY£187,995 · 2020£225,000
- 20 Caldicot Close, Blackwood, Caerphilly, NP12 1HH£75,000 · 1999£310,000
- 20 Cardiff Road, Glan Y Nant, Blackwood, Caerphilly, NP12 3XE£139,950 · 2022£160,000
- 20 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NN£115,000 · 2019£173,000
- 20 Cefn Road, Blackwood, Caerphilly, NP12 1QA£145,000 · 2009£266,000
- 20 Central Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JT£195,000 · 2022£241,000
- 20 Chepstow Close, Grove Park, Blackwood, Caerphilly, NP12 1GP£166,500 · 2023£179,000
- 20 Cherry Trees, Markham, Blackwood, Caerphilly, NP12 0QW£74,500 · 1999£318,000
- 20 Clos Carolyn, Blackwood, Caerphilly, NP12 3QT£56,250 · 2002£188,000
- 20 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£309,000 · 2025£329,000
- 20 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£105,000 · 2004£244,000
- 20 Coed Y Bryn, Blackwood, Caerphilly, NP12 1HA£168,000 · 2013£333,000
- 20 Coundley Close, Fleur De Lis, Blackwood, Caerphilly, NP12 3TS£50,000 · 2002£166,000
- 20 Craiglas Crescent, Cefn Fforest, Blackwood, Caerphilly, NP12 3JY£140,000 · 2022£165,000
- 20 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£165,000 · 2014£302,000
- 20 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£187,000 · 2019£277,000
- 20 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£176,500 · 2014£333,000
- 20 David Street, Blackwood, Caerphilly, NP12 1AP£170,000 · 2025£183,000
- 20 Dylan Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NQ£37,850 · 1996£177,000
- 20 Edge Hill, Pontllanfraith, Blackwood, Caerphilly, NP12 2NZ£95,000 · 2008£187,000
- 20 Edward Street, Fairview, Blackwood, Caerphilly, NP12 3NT£71,000 · 2022£99,000
- 20 Fair View, Blackwood, Islwyn, Gwent, NP12 3NS£75,000 · 2005£148,000
- 20 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£245,000 · 2024£271,000
- 20 Ffordd Penallta, Gellihaf, Blackwood, Caerphilly, NP12 2QX£187,500 · 2022£215,000
- 20 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PN£115,000 · 2015£189,000
- 20 Francis Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RX£109,950 · 2022£139,000
- 20 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JU£110,000 · 2007£162,000
- 20 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£89,950 · 2009£164,000
- 20 Glan Islwyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2DF£160,000 · 2025£189,000
- 20 Glendale Gardens, Fleur De Lis, Blackwood, Caerphilly, NP12 3TR£220,000 · 2013£404,000
- 20 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£230,000 · 2020£335,000
About this area
NP12 is a UK postcode district. Stede can model 8,040 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 £243,537.
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.
305 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 £243,537 and the median is £216,000 across 8,040 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 8,040 properties in NP12, with 305 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 →