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
- 34 William Street, Blackwood, Caerphilly, NP12 1NW£140,000 · 2023£168,000
- 34 Woodbine Road, Blackwood, Caerphilly, NP12 1QF£97,000 · 2024£121,000
- 34 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£189,995 · 2023£195,000
- 34 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£237,000 · 2021£297,000
- 34 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£73,500 · 1999£309,000
- 34A, Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£200,000 · 2022£252,000
- 34B, Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£210,000 · 2022£260,000
- 34C, Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£210,000 · 2022£260,000
- 34D, Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£210,000 · 2022£265,000
- 35 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PR£55,000 · 2009£133,000
- 35 Albany Road, Blackwood, Caerphilly, NP12 1DZ£165,000 · 2021£210,000
- 35 Aneurin Avenue, Fairview, Blackwood, Caerphilly, NP12 3NX£74,000 · 2015£156,000
- 35 Apollo Way, Blackwood, Caerphilly, NP12 1WB£102,000 · 2019£149,000
- 35 Ashville, Oakdale, Blackwood, Caerphilly, NP12 0JR£95,000 · 2012£177,000
- 35 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£58,000 · 1999£258,000
- 35 Bevan Crescent, Blackwood, Caerphilly, NP12 1EW£50,000 · 2005£230,000
- 35 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BG£265,000 · 2019£385,000
- 35 Broadmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2NJ£145,000 · 2021£187,000
- 35 Bronwydd, Oakdale, Blackwood, Caerphilly, NP12 0GX£310,000 · 2021£404,000
- 35 Bryn Derw, Blackwood, Caerphilly, NP12 1SN£82,500 · 1998£332,000
- 35 Bryn Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3LX£76,950 · 2004£168,000
- 35 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BY£135,000 · 2022£163,000
- 35 Burnet Drive, Pontllanfraith, Blackwood, Caerphilly, NP12 2FN£280,000 · 2018£470,000
- 35 Cefn Road, Blackwood, Caerphilly, NP12 1JB£89,950 · 1999£374,000
- 35 Central Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LN£140,000 · 2021£206,000
- 35 Cherry Tree Road, The Bryn, Blackwood, Caerphilly, NP12 2PY£52,750 · 1998£234,000
- 35 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£313,750 · 2021£432,000
- 35 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£44,000 · 1998£210,000
- 35 Coronation Road, Blackwood, Caerphilly, NP12 1EA£50,000 · 2006£168,000
- 35 Croeso Square, Blackwood, Caerphilly, NP12 1WE£66,000 · 2009£144,000
- 35 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£68,950 · 2002£222,000
- 35 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£82,000 · 2001£282,000
- 35 Edge Hill, Pontllanfraith, Blackwood, Caerphilly, NP12 2NY£119,950 · 2012£266,000
- 35 Elgar Close, Fairview, Blackwood, Caerphilly, NP12 3NP£230,000 · 2023£245,000
- 35 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AB£250,000 · 2020£336,000
- 35 Fair View, Blackwood, Caerphilly, NP12 3NS£138,000 · 2022£161,000
- 35 Farm Close, Oakdale, Blackwood, Caerphilly, NP12 0DS£162,500 · 2024£198,000
- 35 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£270,000 · 2024£281,000
- 35 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PN£162,500 · 2019£242,000
- 35 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JT£110,000 · 2017£170,000
- 35 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£301,000 · 2009£573,000
- 35 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£117,500 · 2021£160,000
- 35 Grange Hill, Bonnie View, Blackwood, Caerphilly, NP12 3PE£54,000 · 1997£245,000
- 35 Greenwood Road, Blackwood, Caerphilly, NP12 1EX£52,000 · 1999£238,000
- 35 Hanbury Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XW£133,000 · 2022£165,000
- 35 Highfield Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EB£146,000 · 2015£268,000
- 35 Highmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2PF£32,000 · 2004£108,000
- 35 Lewis Lewis Avenue, Blackwood, Islwyn, Gwent, NP12 1JG£43,950 · 1995£239,000
- 35 Llwyn-On Crescent, Oakdale, Blackwood, Caerphilly, NP12 0ND£105,500 · 2016£193,000
- 35 Llwynon Crescent, Oakdale, Blackwood, Caerphilly, NP12 0ND£62,000 · 2003£182,000
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 →