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
- 8 Ffordd Penallta, Gellihaf, Blackwood, Caerphilly, NP12 2QX£183,995 · 2021£229,000
- 8 Ffordd Trefynwy, Gellihaf, Blackwood, Caerphilly, NP12 2QY£235,000 · 2025£268,000
- 8 Field Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2PD£123,000 · 2006£168,000
- 8 Flat, Central Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JU£123,000 · 2024£155,000
- 8 Flat, Central Buildings, Oakdale, Blackwood, Caerphilly, NP12 0JU£163,000 · 2025£235,000
- 8 Francis Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RU£32,500 · 1998£151,000
- 8 Frost Place, Blackwood, Caerphilly, NP12 1WF£68,000 · 2017£131,000
- 8 Gardd Jolyon, Blackwood, Caerphilly, NP12 3QU£56,500 · 1999£220,000
- 8 Garfield Street, Blackwood, Caerphilly, NP12 1DR£154,000 · 2021£212,000
- 8 Gelli Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2JR£100,000 · 2019£163,000
- 8 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£137,000 · 2022£165,000
- 8 George Street, Blackwood, Caerphilly, NP12 1NZ£185,000 · 2022£212,000
- 8 Glan Islwyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2DF£138,000 · 2024£154,000
- 8 Glanddu Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3XT£95,000 · 2004£136,000
- 8 Glasfryn, Blackwood, Caerphilly, NP12 1FQ£155,000 · 2013£305,000
- 8 Glen View, Hollybush, Blackwood, Caerphilly, NP12 0SQ£175,000 · 2026£190,000
- 8 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£164,995 · 2005£279,000
- 8 Greenfield Terrace, Argoed, Blackwood, Caerphilly, NP12 0HL£10,200 · 1996£131,000
- 8 Grosmont Close, Blackwood, Caerphilly, NP12 1GE£245,000 · 2014£419,000
- 8 Hawthorn Drive, The Bryn, Blackwood, Caerphilly, NP12 2PP£350,000 · 2026£355,000
- 8 Heath Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2PB£99,950 · 2019£164,000
- 8 Heol Trelyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2QL£57,000 · 2016£102,000
- 8 Heol Trelyn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2QL£61,950 · 2004£147,000
- 8 Heol Waun Wen, Cwmgelli, Blackwood, Caerphilly, NP12 1FZ£275,000 · 2025£290,000
- 8 Heol Y Bedw Hirion, Markham, Blackwood, Caerphilly, NP12 0RU£390,000 · 2024£462,000
- 8 Heolddu Road, Gelligroes, Blackwood, Caerphilly, NP12 2GZ£65,000 · 1999£225,000
- 8 Highfield Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2ED£59,950 · 1998£258,000
- 8 Highfield Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EA£150,000 · 2003£403,000
- 8 Hodges Crescent, Pengam, Blackwood, Caerphilly, NP12 3TL£79,000 · 2016£146,000
- 8 Homeland Place, Blackwood, Caerphilly, NP12 1AS£132,200 · 2025£235,000
- 8 Islwyn Terrace, Pontllanfraith, Blackwood, Caerphilly, NP12 2LJ£95,000 · 2011£175,000
- 8 Ivor Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RF£120,000 · 2018£195,000
- 8 James Street, Markham, Blackwood, Caerphilly, NP12 0QN£23,220 · 2003£102,000
- 8 Laburnum Grove, Pontllanfraith, Blackwood, Caerphilly, NP12 2PT£116,000 · 2016£209,000
- 8 Land At Rear Of, Henrietta Road, Blackwood, Caerphilly, NP12 0LA£92,000 · 2006£161,000
- 8 Laurel Drive, The Bryn, Blackwood, Caerphilly, NP12 2PR£182,500 · 2016£315,000
- 8 Lawrence Avenue, Markham, Blackwood, Caerphilly, NP12 0PW£68,000 · 2013£155,000
- 8 Lea Court, Pontllanfraith, Blackwood, Caerphilly, NP12 2GN£92,500 · 2009£173,000
- 8 Leonard Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3SB£97,000 · 2016£163,000
- 8 Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JG£190,000 · 2024£227,000
- 8 Lewis Street, Blackwood, Caerphilly, NP12 1PX£158,000 · 2024£183,000
- 8 Linden Lea Drive, Blackwood, Caerphilly, NP12 1FR£250,000 · 2025£306,000
- 8 Llanover Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2EJ£83,000 · 2014£151,000
- 8 Llwyn Coed, Blackwood, Caerphilly, NP12 1FT£93,950 · 1998£357,000
- 8 Llwynbach Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SH£150,000 · 2022£180,000
- 8 Llwynon Road, Oakdale, Blackwood, Caerphilly, NP12 0LX£110,000 · 2019£163,000
- 8 Llys Cyncoed, Oakdale, Blackwood, Caerphilly, NP12 0NQ£215,000 · 2021£302,000
- 8 Lon Pennant, Cwmgelli, Blackwood, Caerphilly, NP12 1EL£42,000 · 1997£229,000
- 8 Lon Rhymni, Gellihaf, Blackwood, Caerphilly, NP12 2QZ£287,000 · 2024£308,000
- 8 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£178,995 · 2019£254,000
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 →