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
- 66 Bryn Road, Markham, Blackwood, Caerphilly, NP12 0QF£100,000 · 2018£170,000
- 66 Coronation Road, Blackwood, Caerphilly, NP12 1ED£85,000 · 2016£195,000
- 66 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£226,000 · 2019£326,000
- 66 Derwendeg Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LN£179,000 · 2022£207,000
- 66 Dylan Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NG£125,000 · 2018£194,000
- 66 Edge Hill, Pontllanfraith, Blackwood, Caerphilly, NP12 2NY£84,000 · 2013£187,000
- 66 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£330,000 · 2024£345,000
- 66 Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JQ£116,000 · 2014£210,000
- 66 Meadow Close, Pengam, Blackwood, Caerphilly, NP12 3RD£59,500 · 2000£262,000
- 66 Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LD£380,000 · 2023£411,000
- 66 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DF£152,500 · 2015£254,000
- 66 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XJ£120,000 · 2024£150,000
- 66 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£80,000 · 2014£172,000
- 66 Penywerlod Road, Markham, Blackwood, Islwyn, Gwent, NP12 0PZ£30,000 · 1995£178,000
- 66 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£99,950 · 2005£201,000
- 66 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NS£150,000 · 2026£155,000
- 66 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LL£234,950 · 2018£339,000
- 66 Waun Llwyn Crescent, Blackwood, Caerphilly, NP12 1WQ£80,000 · 2015£158,000
- 66 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£326,995 · 2025£352,000
- 67 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0QH£35,000 · 2001£169,000
- 67 Addison Street, Blackwood, Caerphilly, NP12 1EN£149,000 · 2013£307,000
- 67 Albany Road, Blackwood, Caerphilly, NP12 1DX£85,000 · 2010£206,000
- 67 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£86,000 · 2002£307,000
- 67 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HE£52,950 · 1998£229,000
- 67 Bryn Road, Markham, Blackwood, Caerphilly, NP12 0QF£71,500 · 2007£166,000
- 67 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JZ£84,000 · 2016£152,000
- 67 Cefn Road, Blackwood, Caerphilly, NP12 1JB£110,000 · 2016£190,000
- 67 Central Avenue, Oakdale, Blackwood, Caerphilly, NP12 0DX£145,000 · 2019£223,000
- 67 Coronation Road, Blackwood, Caerphilly, NP12 1ED£190,000 · 2025£229,000
- 67 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£208,000 · 2023£229,000
- 67 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£142,000 · 2002£391,000
- 67 Fair View, Blackwood, Caerphilly, NP12 3NR£100,000 · 2021£143,000
- 67 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£269,875 · 2025£281,000
- 67 Gordon Road, Blackwood, Caerphilly, NP12 1DS£48,000 · 2000£207,000
- 67 Grange Hill, Bonnie View, Blackwood, Caerphilly, NP12 3PF£270,000 · 2024£311,000
- 67 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LZ£112,500 · 2017£181,000
- 67 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£39,000 · 2002£177,000
- 67 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NF£47,000 · 1999£255,000
- 67 Sunnybank Road, Blackwood, Caerphilly, NP12 1HZ£98,000 · 2016£192,000
- 67 Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3LA£28,000 · 2001£174,000
- 67 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£369,995 · 2024£394,000
- 68 Albany Road, Blackwood, Caerphilly, NP12 1DY£130,000 · 2018£234,000
- 68 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HB£150,000 · 2022£177,000
- 68 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£249,995 · 2013£411,000
- 68 Bryn Lane, The Bryn, Blackwood, Caerphilly, NP12 2PQ£164,995 · 2023£188,000
- 68 Bryn Road, Markham, Blackwood, Caerphilly, NP12 0QF£140,000 · 2022£177,000
- 68 Canberra Close, Penmaen, Blackwood, Caerphilly, NP12 0UT£126,000 · 2010£228,000
- 68 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LP£77,000 · 2006£149,000
- 68 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£165,000 · 2010£322,000
- 68 Derwendeg Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LN£48,000 · 2002£170,000
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 →