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
- 2 David Street, Blackwood, Caerphilly, NP12 1AP£97,000 · 2016£176,000
- 2 Davies Street, Cefn Fforest, Blackwood, Islwyn, Gwent, NP12 3NB£40,000 · 1995£209,000
- 2 Denbigh Close, Blackwood, Caerphilly, NP12 1JH£315,000 · 2024£352,000
- 2 Derwendeg Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LW£78,500 · 2017£149,000
- 2 Dolwyddelan Close, Grove Park, Blackwood, Caerphilly, NP12 1GG£275,000 · 2019£394,000
- 2 Edward Street, Fairview, Blackwood, Caerphilly, NP12 3NT£105,950 · 2006£167,000
- 2 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AA£195,000 · 2019—
- 2 Fairfield Close, Blackwood, Islwyn, Gwent, NP12 1EJ£25,000 · 1995£159,000
- 2 Farm Close, Oakdale, Blackwood, Caerphilly, NP12 0DS£33,000 · 2000£169,000
- 2 Ffordd Penallta, Gellihaf, Blackwood, Caerphilly, NP12 2QX£148,995 · 2021£190,000
- 2 Ffordd Trefynwy, Gellihaf, Blackwood, Caerphilly, NP12 2QY£156,995 · 2021£188,000
- 2 Ffynonwen Terrace, Pengam, Blackwood, Caerphilly, NP12 3TD£96,500 · 2012£169,000
- 2 Fords Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3XS£139,500 · 2018£224,000
- 2 Frost Place, Blackwood, Caerphilly, NP12 1WF£174,950 · 2026£188,000
- 2 Gelli Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2JR£163,000 · 2022£459,000
- 2 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JU£77,000 · 2017£143,000
- 2 Gellihaf Cottages, Gellihaf, Blackwood, Caerphilly, NP12 2QB£110,000 · 2004£198,000
- 2 Gellihaf Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UY£80,000 · 1997£342,000
- 2 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£32,500 · 2001£159,000
- 2 George Street, Argoed, Blackwood, Caerphilly, NP12 0AW£34,500 · 1997£170,000
- 2 Ger Y Felin, Gelligroes, Blackwood, Caerphilly, NP12 2GP£180,000 · 2002£491,000
- 2 Gerddi Ty Mawr, Gelligroes, Blackwood, Caerphilly, NP12 2GY£219,950 · 2004£362,000
- 2 Glan Islwyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2DF£28,000 · 2000£146,000
- 2 Glanddu Road, Fleur De Lis, Blackwood, Islwyn, Gwent, NP12 3XT£129,000 · 2022£160,000
- 2 Glanhowy Road, Wyllie, Blackwood, Caerphilly, NP12 2HN£62,500 · 2010£154,000
- 2 Glasfryn, Blackwood, Caerphilly, NP12 1FQ£244,950 · 2024£261,000
- 2 Glendale Gardens, Fleur De Lis, Blackwood, Caerphilly, NP12 3TR£210,000 · 2003£584,000
- 2 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£199,995 · 2005£326,000
- 2 Grange Hill, Bonnie View, Blackwood, Caerphilly, NP12 3PE£68,500 · 2000£280,000
- 2 Great Western Cottages, Hollybush, Blackwood, Caerphilly, NP12 0SB£250,000 · 2026£251,000
- 2 Greenmeadow Bungalows, Glan Y Nant, Blackwood, Caerphilly, NP12 3XR£283,000 · 2025£323,000
- 2 Grwyne Terrace, Argoed, Blackwood, Caerphilly, NP12 0HD£128,000 · 2022£149,000
- 2 Grwyney Terrace, Argoed, Blackwood, Caerphilly, NP12 0HD£82,000 · 2016£145,000
- 2 Gwern Y Sant, Pengam, Blackwood, Caerphilly, NP12 3PZ£211,000 · 2013£422,000
- 2 Harlech Close, Blackwood, Caerphilly, NP12 1HJ£190,000 · 2012£349,000
- 2 Hawthorn Drive, The Bryn, Blackwood, Caerphilly, NP12 2PP£210,000 · 2026£239,000
- 2 Heol Waun Wen, Cwmgelli, Blackwood, Caerphilly, NP12 1FZ£195,000 · 2025£214,000
- 2 Heolddu Road, Gelligroes, Blackwood, Caerphilly, NP12 2GZ£265,000 · 2006£412,000
- 2 High Street, Pengam, Blackwood, Caerphilly, NP12 3SY£97,500 · 2018£147,000
- 2 High Tree Rise, Oakdale, Blackwood, Caerphilly, NP12 0DP£159,000 · 2020£226,000
- 2 Highfield Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2ED£277,500 · 2019£424,000
- 2 Highland Terrace, Blackwood, Caerphilly, NP12 1QL£52,000 · 2000£240,000
- 2 Highmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2PE£79,500 · 2018£144,000
- 2 Hill View Lane, Oakdale, Blackwood, Caerphilly, NP12 0NR£220,000 · 2026£229,000
- 2 Hill View, Pontllanfraith, Blackwood, Caerphilly, NP12 2EH£135,000 · 2022£180,000
- 2 Hodges Crescent, Pengam, Blackwood, Caerphilly, NP12 3TL£174,000 · 2023£196,000
- 2 Holly Place, Blackwood, Caerphilly, NP12 1PU£90,000 · 2020£167,000
- 2 Islwyn Terrace, Pontllanfraith, Blackwood, Caerphilly, NP12 2LJ£150,000 · 2026£165,000
- 2 Ivy Bush Cottages, Oakdale, Blackwood, Caerphilly, NP12 0DY£15,000 · 1996£150,000
- 2 Ivy Place, Oakdale, Blackwood, Caerphilly, NP12 0EY£295,000 · 2020£392,000
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 →