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
- 23 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£159,495 · 2019£229,000
- 23 Maesygarn Road, Oakdale, Blackwood, Caerphilly, NP12 0NA£62,500 · 2013£141,000
- 23 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NW£83,000 · 2006£160,000
- 23 Maple Close, The Bryn, Blackwood, Caerphilly, NP12 2PH£112,500 · 2004£172,000
- 23 Millers Wood, Penmaen, Blackwood, Caerphilly, NP12 0FE£315,000 · 2020£399,000
- 23 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EE£123,000 · 2017£196,000
- 23 Morrison Street, Blackwood, Caerphilly, NP12 1QG£62,000 · 2009£179,000
- 23 Newfoundland Way, Blackwood, Islwyn, Gwent, NP12 1FS£91,500 · 2012£160,000
- 23 Oak Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3RW£65,000 · 2016£143,000
- 23 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DG£35,000 · 2000£159,000
- 23 Orchard Lane, Pengam, Blackwood, Caerphilly, NP12 3TJ£75,000 · 2007£134,000
- 23 Overdene, Pontllanfraith, Blackwood, Caerphilly, NP12 2JS£107,000 · 2012£217,000
- 23 Pantycefn Road, Markham, Blackwood, Caerphilly, NP12 0QD£125,000 · 2013£220,000
- 23 Parc Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2RA£93,000 · 2000£357,000
- 23 Parc Plas, Blackwood, Caerphilly, NP12 1SJ£67,950 · 1995£320,000
- 23 Park Lane, Oakdale, Blackwood, Caerphilly, NP12 0NS£157,000 · 2010£243,000
- 23 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£179,950 · 2014£320,000
- 23 Pen Y Mead, Pontllanfraith, Blackwood, Caerphilly, NP12 2QN£71,000 · 2020£172,000
- 23 Penmaen Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JZ£75,950 · 2004£181,000
- 23 Penmaen Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2DL£122,000 · 2007£171,000
- 23 Penrhiw Avenue, Oakdale, Blackwood, Caerphilly, NP12 0NH£105,000 · 2019£167,000
- 23 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JS£140,000 · 2026£152,000
- 23 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£182,500 · 2011£364,000
- 23 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NE£158,000 · 2022£189,000
- 23 Railway Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SJ£97,000 · 2011£236,000
- 23 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£230,000 · 2017£416,000
- 23 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£299,995 · 2022£342,000
- 23 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£139,000 · 2010£239,000
- 23 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£34,000 · 1998£161,000
- 23 Sirhowy Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2RS£130,000 · 2024£161,000
- 23 Sirhowy View, Pontllanfraith, Blackwood, Caerphilly, NP12 2GG£102,000 · 2020£146,000
- 23 Solent Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FT£129,950 · 2017£220,000
- 23 St Davids Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FE£84,211 · 1997£338,000
- 23 St Deinols Close, Pengam, Blackwood, Caerphilly, NP12 3TZ£205,000 · 2025£228,000
- 23 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NR£138,000 · 2020£208,000
- 23 St Rhidian Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FF£51,000 · 2002£178,000
- 23 St Sannan Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2QJ£45,000 · 2004£116,000
- 23 Syr Dafydd Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LA£45,000 · 1999£194,000
- 23 The Elms, Oakdale, Blackwood, Caerphilly, NP12 0EP£93,500 · 2000£365,000
- 23 The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£385,000 · 2020£437,000
- 23 The Grove, Pontllanfraith, Blackwood, Caerphilly, NP12 2EQ£101,000 · 2015£198,000
- 23 The Spinney, The Bryn, Blackwood, Caerphilly, NP12 2PJ£179,950 · 2018£267,000
- 23 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£99,950 · 1999£344,000
- 23 Tirbach Road, Wyllie, Blackwood, Caerphilly, NP12 2HL£98,500 · 2010£170,000
- 23 Tirfilkins Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2LY£168,000 · 2017£295,000
- 23 Twyn Gardens, Cefn Fforest, Blackwood, Caerphilly, NP12 3LU£130,000 · 2022£160,000
- 23 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UG£133,000 · 2015£214,000
- 23 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LJ£64,995 · 2001£249,000
- 23 Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3JR£142,000 · 2021£186,000
- 23 Westgil Pen Ffordd, Blackwood, Caerphilly, NP12 3QS£49,000 · 1998£214,000
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 →