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
- 84 Hill View, Pontllanfraith, Blackwood, Caerphilly, NP12 2EL£185,000 · 2025£215,000
- 84 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LY£52,000 · 2009£119,000
- 84 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£90,000 · 2005£161,000
- 84 Toronto Close, Penmaen, Blackwood, Caerphilly, NP12 0UY£165,000 · 2022£189,000
- 84 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UQ£88,750 · 2007£148,000
- 84 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£318,995 · 2024£338,000
- 85 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HB£130,000 · 2020£161,000
- 85 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JX£126,000 · 2004£198,000
- 85 Fair View, Blackwood, Caerphilly, NP12 3NL£120,000 · 2018£189,000
- 85 Fleur De Lys Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2NT£125,000 · 2023£139,000
- 85 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LY£80,000 · 2014£155,000
- 85 Millbrook Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AL£39,000 · 2010£109,000
- 85 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LG£80,000 · 2025£153,000
- 85 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UQ£55,000 · 2004£155,000
- 86 Albany Road, Blackwood, Caerphilly, NP12 1DY£75,000 · 2004£167,000
- 86 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DE£250,000 · 2006£425,000
- 86 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HB£49,000 · 1999£217,000
- 86 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£210,000 · 2015£345,000
- 86 Bloomfield Road, Blackwood, Caerphilly, NP12 1LY£255,000 · 2023£287,000
- 86 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BX£186,000 · 2024£205,000
- 86 High Street, Blackwood, Caerphilly, NP12 1AE£125,000 · 2024£157,000
- 86 Markham Crescent, Oakdale, Blackwood, Islwyn, Gwent, NP12 0LY£27,500 · 1995£147,000
- 86 Millbrook Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AL£80,000 · 2021£140,000
- 86 Toronto Close, Penmaen, Blackwood, Caerphilly, NP12 0UY£120,000 · 2003£281,000
- 86 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UQ£27,800 · 2003£140,000
- 86 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£291,995 · 2024£306,000
- 86A, Toronto Close, Penmaen, Blackwood, Caerphilly, NP12 0UY£142,000 · 2021£176,000
- 87 - 89, Flat 1-9, High Street, Blackwood, Caerphilly, NP12 1PN£83,334 · 2019£142,000
- 87 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0QJ£55,000 · 2002£218,000
- 87 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£235,000 · 2019£350,000
- 87 Bloomfield Road, Blackwood, Caerphilly, NP12 1LY£43,000 · 2001£177,000
- 87 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JX£57,000 · 2003£146,000
- 87 Cefn Road, Blackwood, Caerphilly, NP12 1JA£114,500 · 2006£189,000
- 87 Fair View, Blackwood, Caerphilly, NP12 3NL£37,500 · 2001£161,000
- 87 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LY£44,500 · 1997£245,000
- 87 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LJ£95,000 · 2019£157,000
- 87 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£60,000 · 1998£213,000
- 87 Toronto Close, Penmaen, Blackwood, Caerphilly, NP12 0UY£170,000 · 2018£263,000
- 88 Albany Road, Blackwood, Caerphilly, NP12 1DY£171,500 · 2019£276,000
- 88 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£185,000 · 2012£334,000
- 88 Bloomfield Road, Blackwood, Caerphilly, NP12 1LY£90,000 · 2014£197,000
- 88 Bryn Road, Markham, Blackwood, Caerphilly, NP12 0QE£84,950 · 2006£186,000
- 88 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BX£113,750 · 2006£202,000
- 88 Fleur De Lys Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2NU£96,500 · 2016£192,000
- 88 High Street, Blackwood, Caerphilly, NP12 1AE£105,000 · 2020£167,000
- 88 Hill View, Pontllanfraith, Blackwood, Caerphilly, NP12 2EL£85,000 · 2016£175,000
- 88 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LY£217,500 · 2026£244,000
- 88 Toronto Close, Penmaen, Blackwood, Caerphilly, NP12 0UY£2,750 · 2008£223,000
- 88 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£229,995 · 2024£233,000
- 89 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0QJ£280,000 · 2017£533,000
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 →