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
- 40 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£134,950 · 2003£341,000
- 40 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£33,750 · 1999£175,000
- 40 Crown Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2GD£108,000 · 2018£187,000
- 40 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£204,950 · 2006£284,000
- 40 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£79,950 · 1999£316,000
- 40 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AB£45,000 · 1996£222,000
- 40 Farm Close, Oakdale, Blackwood, Caerphilly, NP12 0DS£115,000 · 2018£188,000
- 40 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£280,000 · 2024£281,000
- 40 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PN£166,600 · 2021£235,000
- 40 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JT£39,000 · 1999£171,000
- 40 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£159,000 · 2015£301,000
- 40 Gordon Road, Blackwood, Caerphilly, NP12 1DW£148,000 · 2006£252,000
- 40 Hanbury Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XW£135,000 · 2022£175,000
- 40 High Street, Pengam, Blackwood, Caerphilly, NP12 3SZ£149,950 · 2006£227,000
- 40 Highmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2PE£135,000 · 2022£169,000
- 40 James Street, Markham, Blackwood, Caerphilly, NP12 0QN£260,000 · 2024£190,000
- 40 Llwynon Crescent, Oakdale, Blackwood, Caerphilly, NP12 0ND£60,000 · 2015£162,000
- 40 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£67,391 · 2019£141,000
- 40 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NW£206,500 · 2022£261,000
- 40 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0JY£104,000 · 2020£161,000
- 40 Millers Wood, Penmaen, Blackwood, Caerphilly, NP12 0FE£325,000 · 2019£430,000
- 40 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DG£39,950 · 2000£183,000
- 40 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£112,950 · 2000£350,000
- 40 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LJ£114,000 · 2019£168,000
- 40 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£106,000 · 2016£180,000
- 40 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NF£86,000 · 2010£179,000
- 40 Railway Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SJ£86,000 · 2006£150,000
- 40 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£127,000 · 2003£345,000
- 40 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£248,995 · 2021£300,000
- 40 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£86,950 · 2001£306,000
- 40 Rhys Road, Blackwood, Caerphilly, NP12 3QR£339,000 · 2023£371,000
- 40 Salway Avenue, Pengam, Blackwood, Caerphilly, NP12 3TH£60,000 · 2005£123,000
- 40 Severn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2GA£77,450 · 2002£238,000
- 40 Shannon Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FW£145,000 · 2019£224,000
- 40 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JL£130,000 · 2021£158,000
- 40 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NR£97,000 · 2021£134,000
- 40 Sunnybank Road, Blackwood, Caerphilly, NP12 1HZ£138,000 · 2008£230,000
- 40 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£225,000 · 2004£389,000
- 40 Tree Tops Avenue, Blackwood, Caerphilly, NP12 1JF£100,000 · 2018£158,000
- 40 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UG£400,000 · 2021—
- 40 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RT£93,000 · 2020£147,000
- 40 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LL£332,575 · 2021£393,000
- 40 Waun Llwyn Crescent, Blackwood, Caerphilly, NP12 1WQ£65,000 · 2012£149,000
- 40 Wheatley Place, Blackwood, Caerphilly, NP12 1EU£212,000 · 2019£319,000
- 40 William Street, Blackwood, Caerphilly, NP12 1NW£165,000 · 2025£192,000
- 40 Woodbine Road, Blackwood, Caerphilly, NP12 1QF£41,000 · 1999£182,000
- 40 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£235,995 · 2023£246,000
- 40 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£81,500 · 2001£299,000
- 40 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£175,000 · 2011£309,000
- 40A, Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LJ£40,500 · 1999£179,000
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 →