House prices in NP12
Median value — November 2026
£216,000
Modelled from 8,053 properties Stede tracks in NP12
Market snapshot
£216,000
Median value
£243,444
Average value
306
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%£341,500
- 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
- 39 High Street, Argoed, Blackwood, Caerphilly, NP12 0HG£169,950 · 2015£294,000
- 39 Highfield Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EB£230,000 · 2021£299,000
- 39 Lilian Road, Blackwood, Caerphilly, NP12 1DN£155,000 · 2020£256,000
- 39 Mandeville Road, Bonnie View, Blackwood, Caerphilly, NP12 3PH£190,000 · 2023£225,000
- 39 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NW£175,000 · 2024£206,000
- 39 Meadow Close, Pengam, Blackwood, Caerphilly, NP12 3RD£119,000 · 2020£188,000
- 39 Mill Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LU£192,000 · 2025£221,000
- 39 Millers Wood, Penmaen, Blackwood, Caerphilly, NP12 0FE£295,000 · 2019£402,000
- 39 Morrison Street, Blackwood, Caerphilly, NP12 1QQ£46,000 · 2003£211,000
- 39 Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LB£85,000 · 2005£171,000
- 39 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DG£108,000 · 2007£174,000
- 39 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£86,500 · 2000£313,000
- 39 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LD£94,000 · 2006£171,000
- 39 Penmaen Road, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2DL£130,000 · 2025£157,000
- 39 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JS£165,000 · 2022£178,000
- 39 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PZ£83,000 · 2006£150,000
- 39 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£51,000 · 2001£213,000
- 39 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£270,000 · 2026£265,000
- 39 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£225,000 · 2024£263,000
- 39 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£195,000 · 2021£248,000
- 39 Salway Avenue, Pengam, Blackwood, Caerphilly, NP12 3TH£185,000 · 2022£202,000
- 39 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JL£33,000 · 1998£166,000
- 39 Sirhowy View, Pontllanfraith, Blackwood, Caerphilly, NP12 2GG£85,000 · 2019£135,000
- 39 Solent Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FT£165,000 · 2020£234,000
- 39 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£159,950 · 2006£286,000
- 39 Sunnybank Road, Blackwood, Caerphilly, NP12 1HZ£158,000 · 2020£221,000
- 39 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£185,000 · 2003£396,000
- 39 Twynyffald Road, Blackwood, Caerphilly, NP12 1HQ£36,950 · 1999£254,000
- 39 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RT£143,000 · 2024£151,000
- 39 Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3LA£100,000 · 2006£163,000
- 39 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£71,762 · 2024£118,000
- 39 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£88,950 · 1997£357,000
- 39 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£94,995 · 1999£330,000
- 3A, Bryn Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NA£190,000 · 2026£243,000
- 3A, Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RS£31,500 · 2002£119,000
- 3B, Bryn Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NA£175,000 · 2024—
- 4 Abernant Crescent, Markham, Blackwood, Caerphilly, NP12 0QL£41,950 · 2001£181,000
- 4 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PS£82,000 · 2007£156,000
- 4 Albion Terrace, Blackwood, Caerphilly, NP12 1DH£95,000 · 2007£157,000
- 4 Arvonia Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3RG£85,000 · 2022£120,000
- 4 Ash Court, Woodfieldside, Blackwood, Islwyn, Gwent, NP12 0BZ£37,500 · 1995£209,000
- 4 Attlee Road, Blackwood, Caerphilly, NP12 1QE£106,000 · 2016£233,000
- 4 Banalog Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SF£21,000 · 2003£134,000
- 4 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DE£84,000 · 2014£119,000
- 4 Beech Grove, Oakdale, Blackwood, Caerphilly, NP12 0JL£79,000 · 2016£160,000
- 4 Beechcroft, Pontllanfraith, Blackwood, Caerphilly, NP12 2EF£66,000 · 2009£173,000
- 4 Bevan Crescent, Blackwood, Caerphilly, NP12 1EW£115,000 · 2016£226,000
- 4 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BG£238,950 · 2006£375,000
- 4 Blackwood Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2BR£128,750 · 2008£217,000
- 4 Bloomfield Road, Blackwood, Caerphilly, NP12 1QB£60,000 · 2003£186,000
About this area
NP12 is a UK postcode district. Stede can model 8,053 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 £243,444.
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.
306 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 £243,444 and the median is £216,000 across 8,053 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 8,053 properties in NP12, with 306 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 →