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
- 15 Groveside Road, Oakdale, Blackwood, Caerphilly, NP12 0DN£144,995 · 2021£201,000
- 15 Hanbury Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XW£95,000 · 2015£164,000
- 15 Harlech Close, Blackwood, Caerphilly, NP12 1HJ£225,000 · 2012£416,000
- 15 High Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UD£180,000 · 2019—
- 15 High Street, Pengam, Blackwood, Caerphilly, NP12 3SY£150,000 · 2024£159,000
- 15 Highfield Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2ED£107,500 · 2013£200,000
- 15 Highfield Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EA£170,000 · 2007£356,000
- 15 Highmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2PF£71,000 · 2013£165,000
- 15 Ivor Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RF£175,000 · 2023£210,000
- 15 Lewis Street, Blackwood, Caerphilly, NP12 1PX£32,000 · 2001£158,000
- 15 Llys Cyncoed, Oakdale, Blackwood, Caerphilly, NP12 0NQ£174,995 · 2004£312,000
- 15 Lon Pennant, Cwmgelli, Blackwood, Caerphilly, NP12 1EL£89,250 · 2002£314,000
- 15 Lon Rhymni, Gellihaf, Blackwood, Caerphilly, NP12 2QZ£67,391 · 2018£123,000
- 15 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£206,995 · 2019£286,000
- 15 Maes Bengi, Oakdale, Blackwood, Caerphilly, NP12 0EX£285,000 · 2025£299,000
- 15 Manmoel Court, Oakdale, Blackwood, Caerphilly, NP12 0NL£129,950 · 2010£240,000
- 15 Millbrook Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AH£70,000 · 2013£175,000
- 15 Millers Wood, Penmaen, Blackwood, Caerphilly, NP12 0FE£320,000 · 2020£402,000
- 15 Nant Gau, Oakdale, Blackwood, Caerphilly, NP12 0GY£54,950 · 2000£197,000
- 15 Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LB£93,500 · 2022£130,000
- 15 Newfoundland Way, Blackwood, Caerphilly, NP12 1FS£240,000 · 2022£261,000
- 15 Newport Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JN£18,000 · 1998£148,000
- 15 Orchard Court, Pontllanfraith, Blackwood, Caerphilly, NP12 2NG£235,000 · 2022£301,000
- 15 Orchid Grove, Pontllanfraith, Blackwood, Caerphilly, NP12 2RQ£265,000 · 2024£279,000
- 15 Overdene, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2JS£39,500 · 1996£202,000
- 15 Parc Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2RA£90,000 · 1996£376,000
- 15 Parc Plas, Blackwood, Caerphilly, NP12 1SJ£170,000 · 2004£340,000
- 15 Parfitt Place, Blackwood, Caerphilly, NP12 1WD£91,333 · 2025£156,000
- 15 Park Lane, Oakdale, Blackwood, Caerphilly, NP12 0NS£146,000 · 2011£280,000
- 15 Park View Bungalows, Penmaen, Blackwood, Caerphilly, NP12 0DE£290,000 · 2022£314,000
- 15 Pen Derri Close, Oakdale, Blackwood, Caerphilly, NP12 0NJ£175,000 · 2022£203,000
- 15 Pen Y Cwarel Road, Wyllie, Blackwood, Caerphilly, NP12 2HP£122,000 · 2019£182,000
- 15 Pen Y Fan Way, Oakdale, Blackwood, Caerphilly, NP12 0JE£147,500 · 2010£263,000
- 15 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£166,500 · 2004£345,000
- 15 Pen-Rhiw Avenue, Oakdale, Blackwood, Caerphilly, NP12 0NH£186,000 · 2024£205,000
- 15 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LD£86,000 · 2007£143,000
- 15 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XH£115,000 · 2023£150,000
- 15 Penmaen Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JZ£31,000 · 1999£151,000
- 15 Penrhiw Avenue, Oakdale, Blackwood, Caerphilly, NP12 0NH£49,995 · 2003£176,000
- 15 Pentwyn Avenue, Blackwood, Caerphilly, NP12 1HS£199,950 · 2014£345,000
- 15 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JS£94,000 · 2018£142,000
- 15 Penywaun Close, Oakdale, Blackwood, Caerphilly, NP12 0BL£214,950 · 2007£359,000
- 15 Pinewood Court, Pontllanfraith, Blackwood, Caerphilly, NP12 2PA£130,000 · 2024£172,000
- 15 Pleasant Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2GQ£118,745 · 2006£236,000
- 15 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£340,000 · 2022£404,000
- 15 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NE£88,000 · 2019£144,000
- 15 Raglan Close, Blackwood, Caerphilly, NP12 1GA£180,000 · 2024£200,000
- 15 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£94,950 · 1999£345,000
- 15 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£378,000 · 2024£421,000
- 15 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£165,000 · 2019£248,000
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 →