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
- 19 Chepstow Close, Grove Park, Blackwood, Caerphilly, NP12 1GP£36,000 · 1996£172,000
- 19 Cherry Trees, Markham, Blackwood, Caerphilly, NP12 0QW£185,000 · 2020£291,000
- 19 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£131,000 · 2003£329,000
- 19 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£197,000 · 2024£183,000
- 19 Coed Gelli Parc, Cwmgelli, Blackwood, Caerphilly, NP12 1GS£169,950 · 2003£415,000
- 19 Coed Y Bryn, Blackwood, Caerphilly, NP12 1HA£195,000 · 2010£369,000
- 19 Coronation Road, Blackwood, Caerphilly, NP12 1EA£155,000 · 2025£188,000
- 19 Coundley Close, Fleur De Lis, Blackwood, Caerphilly, NP12 3TS£68,500 · 2014£159,000
- 19 Criccieth Close, Grove Park, Blackwood, Caerphilly, NP12 1GH£89,950 · 2014£154,000
- 19 Croeso Square, Blackwood, Caerphilly, NP12 1WE£70,000 · 2017£133,000
- 19 Crown Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2GD£70,000 · 2002£233,000
- 19 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£182,000 · 2013£347,000
- 19 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£77,995 · 2000£287,000
- 19 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£114,250 · 2001£369,000
- 19 Derwen Close, Blackwood, Caerphilly, NP12 1JD£167,500 · 2019£276,000
- 19 Derwendeg Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LN£110,000 · 2008£186,000
- 19 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AA£87,000 · 1998£349,000
- 19 Fair View, Blackwood, Caerphilly, NP12 3NS£104,000 · 2022£133,000
- 19 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£258,000 · 2024£262,000
- 19 Flat A, Hall Street, Blackwood, Caerphilly, NP12 1NY£105,000 · 2022£116,000
- 19 Flat C, Hall Street, Blackwood, Caerphilly, NP12 1NY£95,000 · 2021£108,000
- 19 Flat D, Hall Street, Blackwood, Caerphilly, NP12 1NY£95,000 · 2022£105,000
- 19 Flat E, Hall Street, Blackwood, Caerphilly, NP12 1NY£135,000 · 2007£167,000
- 19 Fleur De Lys Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2EN£92,500 · 2005£198,000
- 19 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PN£161,000 · 2011£324,000
- 19 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JU£168,000 · 2026£186,000
- 19 Gellihaf Road, Fleur De Lis, Blackwood, Islwyn, Gwent, NP12 3UY£87,000 · 2003£247,000
- 19 Glan Yr Afon Lane, Fleur De Lis, Blackwood, Caerphilly, NP12 3WA£350,000 · 2021£464,000
- 19 Glanhowy Road, Wyllie, Blackwood, Caerphilly, NP12 2HN£87,350 · 2016£211,000
- 19 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£260,000 · 2024£296,000
- 19 Gordon Road, Blackwood, Caerphilly, NP12 1DW£122,000 · 2016£200,000
- 19 Greenfield Terrace, Argoed, Blackwood, Caerphilly, NP12 0HL£237,000 · 2009£466,000
- 19 Greenwood Road, Blackwood, Caerphilly, NP12 1EZ£100,000 · 2018£180,000
- 19 Gwent Court, Fleur De Lis, Blackwood, Caerphilly, NP12 3UN£90,000 · 2019£145,000
- 19 Heol Waun Wen, Cwmgelli, Blackwood, Caerphilly, NP12 1FZ£330,000 · 2025£348,000
- 19 High Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UD£85,000 · 2009£156,000
- 19 High Street, Pengam, Blackwood, Caerphilly, NP12 3SY£137,000 · 2025£148,000
- 19 Highfield Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2ED£159,950 · 2016£252,000
- 19 Hillside Avenue, Markham, Blackwood, Caerphilly, NP12 0PT£86,850 · 2007£150,000
- 19 Islwyn Terrace, Pontllanfraith, Blackwood, Caerphilly, NP12 2LQ£97,000 · 2010£176,000
- 19 Lewis Lewis Avenue, Blackwood, Rhymney Valley, Mid Glamorgan, NP12 1JG£110,000 · 2005£262,000
- 19 Lilian Road, Blackwood, Caerphilly, NP12 1DN£239,000 · 2022£232,000
- 19 Llanover Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2EJ£95,500 · 2019£159,000
- 19 Llwynon Road, Oakdale, Blackwood, Caerphilly, NP12 0LX£190,000 · 2023£203,000
- 19 Llys Cyncoed, Oakdale, Blackwood, Caerphilly, NP12 0NQ£154,995 · 2005£290,000
- 19 Lon Pennant, Cwmgelli, Blackwood, Caerphilly, NP12 1EL£140,000 · 2003£357,000
- 19 Lon Rhymni, Gellihaf, Blackwood, Caerphilly, NP12 2QZ£67,722 · 2018£123,000
- 19 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£200,995 · 2019£279,000
- 19 Maple Close, The Bryn, Blackwood, Caerphilly, NP12 2PH£199,900 · 2021£247,000
- 19 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0JN£202,000 · 2024£213,000
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 →