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
- 16 St Deinols Close, Pengam, Blackwood, Caerphilly, NP12 3TZ£152,000 · 2017£250,000
- 16 St Maelog Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FD£62,500 · 1997£250,000
- 16 St Peters Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ER£29,000 · 1999£151,000
- 16 St Rhidian Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FF£126,950 · 2006£207,000
- 16 St Sannan Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2QJ£95,000 · 2021£130,000
- 16 St Tudors View, Blackwood, Caerphilly, NP12 1AQ£189,950 · 2004£365,000
- 16 Stanley Street, Blackwood, Islwyn, Gwent, NP12 1PT£36,000 · 1995£191,000
- 16 Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£86,000 · 1996£372,000
- 16 Sunnyview, Argoed, Blackwood, Caerphilly, NP12 0AL£68,000 · 2008£131,000
- 16 Swallow Drive, Fleur De Lis, Blackwood, Caerphilly, NP12 3SN£39,750 · 2020—
- 16 Sycamore Court, Woodfieldside, Blackwood, Caerphilly, NP12 0DA£107,000 · 2017£189,000
- 16 Syr Dafydd Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LA£185,000 · 2024£203,000
- 16 The Elms, Oakdale, Blackwood, Caerphilly, NP12 0EP£108,950 · 2000£378,000
- 16 The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£410,000 · 2025£457,000
- 16 The Oaks, Oakdale, Blackwood, Caerphilly, NP12 0EN£146,000 · 1998£539,000
- 16 The Villas, Markham, Blackwood, Caerphilly, NP12 0PU£32,950 · 1998£159,000
- 16 Thorncombe Road, Blackwood, Caerphilly, NP12 1AT£135,000 · 2015£240,000
- 16 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£105,950 · 1999£358,000
- 16 Tirfilkins Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2LY£210,000 · 2013£370,000
- 16 Twyn Gardens, Cefn Fforest, Blackwood, Caerphilly, NP12 3LU£126,500 · 2021£181,000
- 16 Underwood Road, Oakdale, Blackwood, Caerphilly, NP12 0DW£85,000 · 2011£170,000
- 16 Vancouver Drive, Penmaen, Blackwood, Caerphilly, NP12 0UQ£120,000 · 2004£235,000
- 16 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RS£63,950 · 2004£144,000
- 16 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LL£130,000 · 2015£228,000
- 16 West View Crescent, Oakdale, Blackwood, Caerphilly, NP12 0JG£143,000 · 2010£230,000
- 16 Westgil Pen Ffordd, Blackwood, Caerphilly, NP12 3QS£168,000 · 2021£207,000
- 16 Wheatley Place, Blackwood, Caerphilly, NP12 1EU£115,000 · 2004£352,000
- 16 Woodfield Park Crescent, Woodfieldside, Blackwood, Caerphilly, NP12 0BX£112,000 · 2018£170,000
- 16 Woodfield Street, Woodfieldside, Blackwood, Islwyn, Gwent, NP12 0BT£110,000 · 2019£179,000
- 16 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£290,000 · 2025£315,000
- 16 Woodville Terrace, Argoed, Blackwood, Caerphilly, NP12 0AP£106,000 · 2025£141,000
- 16 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£285,000 · 2022£343,000
- 16 Yew Grove, Woodfieldside, Blackwood, Caerphilly, NP12 0DD£181,500 · 2022£217,000
- 16 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£139,000 · 2014£272,000
- 161 Beaumaris Way, Grove Park, Blackwood, Islwyn, Gwent, NP12 1DF£60,000 · 1996£312,000
- 161 High Street, Blackwood, Caerphilly, NP12 1AA£460,000 · 2008£592,000
- 163 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£397,500 · 2023£483,000
- 164 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LQ£36,000 · 2002£161,000
- 165 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£28,000 · 2002£133,000
- 165 High Street, Blackwood, Caerphilly, NP12 1AA£7,000 · 2002£34,000
- 167 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£138,000 · 2015£244,000
- 169 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£155,000 · 2013£313,000
- 17 Aberconway Place, Oakdale, Blackwood, Caerphilly, NP12 0JX£56,000 · 2001£187,000
- 17 Addison Street, Blackwood, Caerphilly, NP12 1ES£145,000 · 2007£255,000
- 17 Albany Road, Blackwood, Caerphilly, NP12 1DZ£120,000 · 2019£182,000
- 17 Apollo Way, Blackwood, Caerphilly, NP12 1WA£130,000 · 2023£159,000
- 17 Ashgrove, Blackwood, Islwyn, Gwent, NP12 1WR£66,950 · 1995£317,000
- 17 Attlee Road, Blackwood, Caerphilly, NP12 1QD£83,125 · 2019£176,000
- 17 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HE£190,000 · 2024£204,000
- 17 Beech Grove, Oakdale, Blackwood, Caerphilly, NP12 0JL£121,000 · 2015£200,000
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 →