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
- 8 Springfield Court, Pontllanfraith, Blackwood, Caerphilly, NP12 2GL£80,000 · 2018£154,000
- 8 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£380,000 · 2021£448,000
- 8 St Bleddian Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FH£93,750 · 2005£139,000
- 8 St Cenydd Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FG£87,870 · 1997£345,000
- 8 St Davids Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FE£53,500 · 1997£219,000
- 8 St Madoc Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FA£59,995 · 1996£203,000
- 8 St Maelog Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FD£200,000 · 2024£203,000
- 8 St Margarets Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NH£125,000 · 2005£201,000
- 8 St Peters Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ER£113,334 · 2024£127,000
- 8 St Rhidian Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FF£91,000 · 2010£176,000
- 8 St Sannan Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2QJ£59,995 · 2004£140,000
- 8 Stanley Street, Blackwood, Caerphilly, NP12 1PT£96,000 · 2018£156,000
- 8 Sunnyview, Argoed, Blackwood, Caerphilly, NP12 0AL£141,000 · 2024£170,000
- 8 Syr Dafydd Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LA£129,950 · 2013£213,000
- 8 The Alders, Oakdale, Blackwood, Caerphilly, NP12 0LQ£125,000 · 2003£346,000
- 8 The Elms, Oakdale, Blackwood, Caerphilly, NP12 0EP£145,000 · 2015£271,000
- 8 The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£360,000 · 2021£482,000
- 8 The Oaks, Oakdale, Blackwood, Caerphilly, NP12 0EN£150,000 · 2003£365,000
- 8 The Spinney, The Bryn, Blackwood, Caerphilly, NP12 2PJ£133,000 · 2024£163,000
- 8 The Square, Glan Y Nant, Blackwood, Caerphilly, NP12 3XF£37,950 · 2004£114,000
- 8 The Village, Manmoel, Blackwood, Caerphilly, NP12 0RJ£155,000 · 2020£225,000
- 8 The Villas, Markham, Blackwood, Caerphilly, NP12 0PU£102,000 · 2023£118,000
- 8 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£149,000 · 2004£304,000
- 8 Tirfilkins Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2LY£183,000 · 2013£257,000
- 8 Trelyn Lane, Fleur De Lis, Blackwood, Caerphilly, NP12 3XU£80,000 · 2021£132,000
- 8 Trelys Close, Fleur De Lis, Blackwood, Caerphilly, NP12 3UT£87,000 · 2003£252,000
- 8 Treowen Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2EW£150,000 · 2024£168,000
- 8 Ty Deg Anerys, Blackwood, Caerphilly, NP12 1QP£149,950 · 2020£243,000
- 8 Ty Isha Terrace, Blackwood, Caerphilly, NP12 1ER£145,000 · 2020£224,000
- 8 Upper James Street, Argoed, Blackwood, Caerphilly, NP12 0HP£38,000 · 1999£179,000
- 8 Vancouver Drive, Penmaen, Blackwood, Caerphilly, NP12 0UQ£230,000 · 2025£249,000
- 8 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RS£110,000 · 2021£144,000
- 8 Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3LA£120,000 · 2017£215,000
- 8 West View Crescent, Oakdale, Blackwood, Caerphilly, NP12 0JG£172,000 · 2018£266,000
- 8 Westgil Pen Ffordd, Blackwood, Caerphilly, NP12 3QS£175,000 · 2026£190,000
- 8 Woodbine Road, Blackwood, Caerphilly, NP12 1QJ£70,000 · 2018£183,000
- 8 Woodfield Street, Woodfieldside, Blackwood, Islwyn, Gwent, NP12 0BT£99,950 · 2005£191,000
- 8 Woodfield Terrace, Woodfieldside, Blackwood, Caerphilly, NP12 0BR£162,500 · 2019£243,000
- 8 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£278,995 · 2022£326,000
- 8 Woodland Terrace, Argoed, Blackwood, Caerphilly, NP12 0HB£142,000 · 2024£161,000
- 8 Woodville Terrace, Argoed, Blackwood, Caerphilly, NP12 0AP£110,000 · 2023£172,000
- 8 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£170,000 · 2021£236,000
- 8 Yew Grove, Woodfieldside, Blackwood, Caerphilly, NP12 0DD£237,000 · 2026£242,000
- 8 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£112,995 · 2004£288,000
- 80 - 82, High Street, Blackwood, Caerphilly, NP12 1AE£230,000 · 2020£391,000
- 80 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DE£107,000 · 2000£361,000
- 80 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£240,000 · 2012£383,000
- 80 Fair View, Blackwood, Caerphilly, NP12 3NR£48,950 · 2003£153,000
- 80 Hill View, Pontllanfraith, Blackwood, Caerphilly, NP12 2EL£74,000 · 2017£149,000
- 80 Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JQ£147,000 · 2019£217,000
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 →