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
- 35 Lon Rhymni, Gellihaf, Blackwood, Caerphilly, NP12 2QZ£233,995 · 2019£329,000
- 35 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£140,995 · 2019£199,000
- 35 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NW£155,000 · 2020£223,000
- 35 Mill Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2GE£170,000 · 2023£193,000
- 35 Millbrook Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AL£95,000 · 2018£168,000
- 35 Morrison Street, Blackwood, Caerphilly, NP12 1QQ£28,380 · 2003£199,000
- 35 Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LB£45,000 · 2006£131,000
- 35 Newport Road, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2JW£38,950 · 1999£187,000
- 35 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DG£124,950 · 2018£199,000
- 35 Overdene, Pontllanfraith, Blackwood, Caerphilly, NP12 2JS£36,000 · 2002£167,000
- 35 Parc Plas, Blackwood, Caerphilly, NP12 1SJ£98,950 · 1999£395,000
- 35 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£194,000 · 2013£356,000
- 35 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XJ£37,950 · 2001£155,000
- 35 Penmaen Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2DL£38,500 · 1998£163,000
- 35 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AY£75,500 · 2009£202,000
- 35 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PZ£149,950 · 2023£173,000
- 35 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NE£107,500 · 2021£151,000
- 35 Railway Terrace, Hollybush, Blackwood, Islwyn, Gwent, NP12 0SJ£24,000 · 1995£157,000
- 35 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£94,450 · 2000£339,000
- 35 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£294,995 · 2021£353,000
- 35 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£63,950 · 1999£268,000
- 35 Rhys Road, Blackwood, Caerphilly, NP12 3QR£170,000 · 2020£252,000
- 35 Salway Avenue, Pengam, Blackwood, Caerphilly, NP12 3TH£71,000 · 2012£164,000
- 35 Shannon Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FW£130,000 · 2014£244,000
- 35 Sir Ivor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£150,000 · 2024£170,000
- 35 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£38,500 · 1999£174,000
- 35 Sirhowy View, Pontllanfraith, Blackwood, Caerphilly, NP12 2GG£78,000 · 2009£153,000
- 35 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£300,000 · 2025£335,000
- 35 St Deinols Close, Pengam, Blackwood, Caerphilly, NP12 3TZ£310,000 · 2020£399,000
- 35 St Sannan Road, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2QJ£18,560 · 1995£116,000
- 35 Sycamore Court, Woodfieldside, Blackwood, Caerphilly, NP12 0DA£190,000 · 2025£221,000
- 35 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£340,000 · 2022£387,000
- 35 Tirbach Road, Wyllie, Blackwood, Caerphilly, NP12 2HL£52,950 · 2003£162,000
- 35 Twynyffald Road, Blackwood, Caerphilly, NP12 1HQ£130,000 · 2016£260,000
- 35 Upland Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2ND£150,000 · 2025£189,000
- 35 Vancouver Drive, Penmaen, Blackwood, Caerphilly, NP12 0UQ£51,500 · 1998£238,000
- 35 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UG£118,000 · 2016£193,000
- 35 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RT£118,000 · 2025£144,000
- 35 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LJ£178,500 · 2010£336,000
- 35 Woodbine Road, Blackwood, Caerphilly, NP12 1QF£175,000 · 2021£267,000
- 35 Woodfield Park Crescent, Woodfieldside, Blackwood, Caerphilly, NP12 0BX£130,000 · 2024£149,000
- 35 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£186,995 · 2022£185,000
- 35 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£238,500 · 2021£322,000
- 35B, Bloomfield Road, Blackwood, Caerphilly, NP12 1LX£40,500 · 2001£227,000
- 36 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PR£90,000 · 2026£145,000
- 36 Albany Road, Blackwood, Caerphilly, NP12 1DZ£29,000 · 1998£152,000
- 36 Albion Terrace, Blackwood, Caerphilly, NP12 1DH£65,000 · 1998£283,000
- 36 Apollo Way, Blackwood, Caerphilly, NP12 1WB£93,500 · 2006£165,000
- 36 Ashville, Oakdale, Blackwood, Caerphilly, NP12 0JR£94,950 · 2015£175,000
- 36 Attlee Road, Blackwood, Caerphilly, NP12 1QD£85,000 · 2007£194,000
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 →