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
- 3 Grwyne Place, Argoed, Blackwood, Caerphilly, NP12 0HE£132,500 · 2024£155,000
- 3 Gwent Court, Fleur De Lis, Blackwood, Caerphilly, NP12 3UN£72,000 · 2016£147,000
- 3 Gwern Y Sant, Pengam, Blackwood, Caerphilly, NP12 3PZ£220,000 · 2008£377,000
- 3 Heath Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2PB£98,000 · 2020£161,000
- 3 Heol Waun Wen, Cwmgelli, Blackwood, Caerphilly, NP12 1FZ£200,000 · 2025£215,000
- 3 Heol Y Bedw Hirion, Markham, Blackwood, Caerphilly, NP12 0RU£380,000 · 2024£444,000
- 3 Heolddu Road, Gelligroes, Blackwood, Caerphilly, NP12 2GZ£165,000 · 2013£307,000
- 3 Herons View, Pengam, Blackwood, Caerphilly, NP12 3XA£213,000 · 2011£361,000
- 3 High Street, Argoed, Blackwood, Islwyn, Gwent, NP12 0HG£300,000 · 2023£333,000
- 3 High Tree Rise, Oakdale, Blackwood, Caerphilly, NP12 0DP£85,000 · 2010£196,000
- 3 Highfield Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2ED£112,000 · 2015£218,000
- 3 Highfield Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EA£203,000 · 2010£394,000
- 3 Highland Terrace, Blackwood, Caerphilly, NP12 1QL£242,500 · 2007£336,000
- 3 Hill View Lane, Oakdale, Blackwood, Caerphilly, NP12 0NR£125,000 · 2013£217,000
- 3 Hillside Terrace, Blackwood, Caerphilly, NP12 1PS£77,000 · 1999£327,000
- 3 Holly Place, Blackwood, Caerphilly, NP12 1PU£48,000 · 2002£171,000
- 3 Homeland Place, Blackwood, Caerphilly, NP12 1AS£38,000 · 1999£177,000
- 3 Islwyn Terrace, Pontllanfraith, Blackwood, Caerphilly, NP12 2LJ£83,200 · 2011£154,000
- 3 Ivy Bush Cottages, Oakdale, Blackwood, Caerphilly, NP12 0DY£38,000 · 1998£175,000
- 3 Ivy Place, Oakdale, Blackwood, Caerphilly, NP12 0EY£315,000 · 2024£341,000
- 3 Julian Heights, Fleur De Lis, Blackwood, Caerphilly, NP12 3TT£250,000 · 2021£335,000
- 3 Kidwelly Close, Grove Park, Blackwood, Caerphilly, NP12 1GJ£225,000 · 2010£419,000
- 3 Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JG£138,000 · 2020£224,000
- 3 Lilian Road, Blackwood, Caerphilly, NP12 1DN£110,000 · 2005£193,000
- 3 Linden Lea Drive, Blackwood, Caerphilly, NP12 1FR£184,000 · 2021£237,000
- 3 Llanover Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2EJ£155,000 · 2023£210,000
- 3 Llwyn Coed, Blackwood, Caerphilly, NP12 1FT£65,995 · 1999£278,000
- 3 Llwynbach Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SH£119,000 · 2017£191,000
- 3 Llys Cyncoed, Oakdale, Blackwood, Caerphilly, NP12 0NQ£190,995 · 2005£328,000
- 3 Lon Rhymni, Gellihaf, Blackwood, Caerphilly, NP12 2QZ£337,995 · 2025£351,000
- 3 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£266,995 · 2019£386,000
- 3 Maes Bengi, Oakdale, Blackwood, Caerphilly, NP12 0EX£400,000 · 2022£455,000
- 3 Maes Yr Afon, Pontllanfraith, Blackwood, Caerphilly, NP12 2GR£150,000 · 2023£165,000
- 3 Mandeville Road, Bonnie View, Blackwood, Caerphilly, NP12 3PH£131,000 · 2016£229,000
- 3 Manmoel Court, Oakdale, Blackwood, Caerphilly, NP12 0NL£225,000 · 2025£241,000
- 3 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NW£280,000 · 2015£479,000
- 3 Manorbier Close, Grove Park, Blackwood, Caerphilly, NP12 1GQ£185,000 · 2025£194,000
- 3 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0JY£86,000 · 2008£148,000
- 3 Markham Terrace, Markham, Blackwood, Caerphilly, NP12 0RB£27,500 · 1999£140,000
- 3 Marshfield Court, Pontllanfraith, Blackwood, Caerphilly, NP12 2JP£120,000 · 2020£178,000
- 3 Mayhill Bungalows, Blackwood, Caerphilly, NP12 1EB£154,000 · 2019£229,000
- 3 Meadow Close, Pengam, Blackwood, Caerphilly, NP12 3RB£123,000 · 2011£186,000
- 3 Mersey Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FZ£157,000 · 2018£238,000
- 3 Millers Wood, Penmaen, Blackwood, Caerphilly, NP12 0FE£317,500 · 2020£415,000
- 3 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EE£147,500 · 2022£178,000
- 3 Mount Pleasant, Blackwood, Caerphilly, NP12 1PZ£69,950 · 2003£177,000
- 3 Nant Gau, Oakdale, Blackwood, Caerphilly, NP12 0GY£173,000 · 2014£298,000
- 3 New Road, Woodfieldside, Blackwood, Caerphilly, NP12 0BU£194,950 · 2025£206,000
- 3 Newfoundland Way, Blackwood, Caerphilly, NP12 1FS£255,000 · 2026£275,000
- 3 Newport Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JN£105,000 · 2016£191,000
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 →