House prices in NP12
Median value — November 2026
£216,000
Modelled from 8,254 properties Stede tracks in NP12
Market snapshot
£216,000
Median value
£253,097
Average value
310
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 house39%£212,000
- Mid-terrace house29%£165,000
- Detached house28%£341,500
- Property3%£252,000
- Flat / Maisonette1%£114,000
Recent sales
- 1 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NN£320,000 · 2026£331,000
- 65 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JZ£170,000 · 2026£173,000
- 28 Addison Street, Blackwood, Caerphilly, NP12 1EN£242,000 · 2026£256,000
- 42 Cae Collen, Blackwood, Caerphilly, NP12 1FF£185,000 · 2026£199,000
- 54 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HB£230,000 · 2026£225,000
- 15 Broadmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2NJ£195,000 · 2026£207,000
- 20 Islwyn Terrace, Pontllanfraith, Blackwood, Caerphilly, NP12 2LQ£138,000 · 2026£159,000
- 40 Chartist Rise, Pontllanfraith, Blackwood, Caerphilly, NP12 2RR£295,000 · 2026£309,000
Addresses in NP12
- 9 Stanley Street, Blackwood, Caerphilly, NP12 1PT£86,000 · 2016£159,000
- 9 Sunnybank Road, Blackwood, Caerphilly, NP12 1HY£250,000 · 2011£398,000
- 9 Sunnyview, Argoed, Blackwood, Caerphilly, NP12 0AL£105,000 · 2021£143,000
- 9 Swallow Drive, Fleur De Lis, Blackwood, Caerphilly, NP12 3SN£134,434 · 2015£241,000
- 9 Sycamore Court, Woodfieldside, Blackwood, Caerphilly, NP12 0DA£155,000 · 2022£195,000
- 9 Tamar Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FU£182,000 · 2020£261,000
- 9 The Alders, Oakdale, Blackwood, Caerphilly, NP12 0LQ£340,000 · 2024£369,000
- 9 The Elms, Oakdale, Blackwood, Caerphilly, NP12 0EP£425,000 · 2026£450,000
- 9 The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£445,000 · 2022£518,000
- 9 The Green, Pontllanfraith, Blackwood, Caerphilly, NP12 2NX£145,000 · 2022£185,000
- 9 The Grove, Pontllanfraith, Blackwood, Caerphilly, NP12 2EQ£24,000 · 1997£131,000
- 9 The Oaks, Oakdale, Blackwood, Caerphilly, NP12 0EN£160,000 · 2011£296,000
- 9 The Square, Glan Y Nant, Blackwood, Caerphilly, NP12 3XF£80,000 · 2025£105,000
- 9 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£225,000 · 2017£381,000
- 9 Tirfilkins Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2LY£180,000 · 2017£302,000
- 9 Trelys Close, Fleur De Lis, Blackwood, Caerphilly, NP12 3UT£87,000 · 2003£252,000
- 9 Ty Deg Anerys, Blackwood, Caerphilly, NP12 1QP£71,000 · 2002£239,000
- 9 Ty Isha Terrace, Blackwood, Caerphilly, NP12 1ER£110,000 · 2006£181,000
- 9 Tynycoed Crescent, Cefn Fforest, Blackwood, Islwyn, Gwent, NP12 3LL£64,000 · 2003£188,000
- 9 Upland Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NF£30,000 · 1999£151,000
- 9 Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3JR£87,000 · 2010£154,000
- 9 West View Crescent, Oakdale, Blackwood, Caerphilly, NP12 0JG£125,000 · 2016£204,000
- 9 William Street, Blackwood, Caerphilly, NP12 1NX£74,000 · 2016£158,000
- 9 Woodfield Park Crescent, Woodfieldside, Blackwood, Caerphilly, NP12 0BX£108,000 · 2019£175,000
- 9 Woodfield Street, Woodfieldside, Blackwood, Caerphilly, NP12 0BT£105,000 · 2015£175,000
- 9 Woodfield Terrace, Woodfieldside, Blackwood, Caerphilly, NP12 0BR£172,500 · 2022£206,000
- 9 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£320,000 · 2025£363,000
- 9 Woodland Place, Pengam, Blackwood, Caerphilly, NP12 3QX£290,000 · 2024£290,000
- 9 Woodland Terrace, Argoed, Blackwood, Caerphilly, NP12 0HB£105,000 · 2006£176,000
- 9 Woodville Terrace, Argoed, Blackwood, Caerphilly, NP12 0AP£119,000 · 2008£170,000
- 9 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£54,500 · 2001£232,000
- 9 Yew Grove, Woodfieldside, Blackwood, Caerphilly, NP12 0DD£88,500 · 2015£197,000
- 9 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£67,950 · 2000£264,000
- 90 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DE£220,000 · 2016£362,000
- 90 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£197,000 · 2015£334,000
- 90 Brynteg Avenue, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2BX£45,750 · 1995£230,000
- 90 Toronto Close, Penmaen, Blackwood, Caerphilly, NP12 0UY£85,000 · 2010£152,000
- 90 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£229,995 · 2024£231,000
- 91 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DQ£335,000 · 2026£333,000
- 91 Bloomfield Road, Blackwood, Caerphilly, NP12 1LY£87,000 · 2009£191,000
- 91 Cefn Road, Blackwood, Islwyn, Gwent, NP12 1JA£42,000 · 1995£211,000
- 91 Gordon Road, Blackwood, Caerphilly, NP12 1DS£90,000 · 2015£175,000
- 91 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LY£160,000 · 2021£200,000
- 91 Millbrook Road, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2AL£55,000 · 2009£136,000
- 91 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EG£162,000 · 2020£248,000
- 91 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LJ£130,000 · 2024£157,000
- 91 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£24,000 · 1997£183,000
- 92 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DE£80,500 · 1998£336,000
- 92 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£337,500 · 2018£528,000
- 92 Bloomfield Road, Blackwood, Caerphilly, NP12 1LY£49,000 · 2000£204,000
About this area
NP12 is a UK postcode district. Stede can model 8,254 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 £253,097.
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 39% of the properties Stede tracks in NP12.
310 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 £253,097 and the median is £216,000 across 8,254 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?
39% of the properties Stede tracks in NP12 are semi-detached houses. mid-terrace houses are next most common, at 29%.
How many properties are in NP12?
Stede can model 8,254 properties in NP12, with 310 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 →