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
- 4 Penllwyn Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2JX£124,000 · 2018£210,000
- 4 Penmaen Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2DL£50,000 · 2017£120,000
- 4 Penmaen Villas, Penmaen, Blackwood, Caerphilly, NP12 0DL£181,000 · 2025£193,000
- 4 Penrhiw Terrace, Oakdale, Blackwood, Caerphilly, NP12 0JH£275,000 · 2025£310,000
- 4 Penrhiw Villas, Oakdale, Blackwood, Caerphilly, NP12 0JQ£272,500 · 2026£322,000
- 4 Pentwyn Avenue, Blackwood, Caerphilly, NP12 1HS£225,000 · 2011£372,000
- 4 Pentwyn Court, Blackwood, Caerphilly, NP12 1HL£432,500 · 2024£528,000
- 4 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JS£107,000 · 2019£166,000
- 4 Penybryn Terrace, The Bryn, Blackwood, Caerphilly, NP12 2EZ£120,000 · 2022£142,000
- 4 Penywaen Cottages, Bedwellty, Blackwood, Caerphilly, NP12 0BB£45,000 · 2003£146,000
- 4 Penywaun Close, Oakdale, Blackwood, Caerphilly, NP12 0BL£210,950 · 2005£336,000
- 4 Penywerlod Terrace, Markham, Blackwood, Caerphilly, NP12 0RE£67,000 · 2004£162,000
- 4 Plas Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3RP£32,500 · 1999£151,000
- 4 Plasgwyn Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3SD£90,000 · 2006£151,000
- 4 Pleasant Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2GQ£123,995 · 2006£195,000
- 4 Powis Close, Grove Park, Blackwood, Caerphilly, NP12 1GN£160,000 · 2020£462,000
- 4 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£285,000 · 2019£415,000
- 4 Pritchard Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3UW£70,000 · 2017£154,000
- 4 Raglan Close, Blackwood, Caerphilly, NP12 1GA£125,000 · 2017£211,000
- 4 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£161,000 · 2012£316,000
- 4 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£284,995 · 2019£394,000
- 4 Rhodfa Wyllie, Gellihaf, Blackwood, Caerphilly, NP12 2RF£359,995 · 2025£371,000
- 4 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£89,950 · 2001£320,000
- 4 Rhosnewydd Terrace, Blackwood, Caerphilly, NP12 1DT£108,000 · 2016£189,000
- 4 River Row, The Rhiw, Blackwood, Islwyn, Gwent, NP12 0EH£77,500 · 2012£151,000
- 4 Riverside Court, Woodfieldside, Blackwood, Caerphilly, NP12 0PB£194,000 · 2018£316,000
- 4 School Way, Blackwood, Caerphilly, NP12 1FH£169,950 · 2007£313,000
- 4 Severn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2GA£135,000 · 2016£223,000
- 4 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£31,500 · 1996£159,000
- 4 Sirhowy Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2RS£270,000 · 2024£287,000
- 4 Smiths Terrace, Woodfieldside, Blackwood, Caerphilly, NP12 0BW£157,500 · 2025£175,000
- 4 Springfield Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SE£24,000 · 1997£132,000
- 4 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£249,000 · 2004£492,000
- 4 St Bleddian Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FH£165,000 · 2021£208,000
- 4 St Cenydd Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FG£260,000 · 2021£339,000
- 4 St Davids Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FE£300,000 · 2025£326,000
- 4 St Davids Road, Pengam, Blackwood, Caerphilly, NP12 3TY£110,000 · 2019£182,000
- 4 St Deinols Close, Pengam, Blackwood, Islwyn, Gwent, NP12 3TZ£42,000 · 1995£244,000
- 4 St Johns Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ES£221,000 · 2019£352,000
- 4 St Madoc Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FA£51,495 · 1996£216,000
- 4 St Maelog Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FD£61,995 · 1997£249,000
- 4 St Margarets Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NH£210,000 · 2023£229,000
- 4 St Peters Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ER£152,000 · 2018£232,000
- 4 St Rhidian Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FF£69,500 · 2003£183,000
- 4 St Teilos Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FB£81,000 · 2015£134,000
- 4 St Tudors View, Blackwood, Caerphilly, NP12 1AQ£184,000 · 2015£345,000
- 4 Stanley Street, Blackwood, Islwyn, Gwent, NP12 1PT£37,500 · 1995£197,000
- 4 Station Road, Glan Y Nant, Blackwood, Caerphilly, NP12 3XL£120,000 · 2017£213,000
- 4 Summerfield Terrace, Fleur De Lis, Blackwood, Newport, NP12 3US£122,000 · 2022£142,000
- 4 Sunnyview, Argoed, Blackwood, Islwyn, Gwent, NP12 0AL£37,000 · 1995£192,000
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 →