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
- 64 Derwendeg Avenue, Cefn Fforest, Blackwood, Islwyn, Gwent, NP12 3LN£27,500 · 1995£159,000
- 64 Edward Street, Fairview, Blackwood, Islwyn, Gwent, NP12 3NY£24,000 · 1995£137,000
- 64 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AB£130,000 · 2009£220,000
- 64 Fair View, Blackwood, Caerphilly, NP12 3NR£34,500 · 1998£158,000
- 64 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£370,000 · 2024£392,000
- 64 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PL£48,000 · 1997£242,000
- 64 Hanbury Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XP£77,000 · 2011£148,000
- 64 Highmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2PE£175,000 · 2024£90,000
- 64 Hill View, Pontllanfraith, Blackwood, Caerphilly, NP12 2EL£113,000 · 2019£165,000
- 64 James Street, Markham, Blackwood, Caerphilly, NP12 0QP£160,000 · 2024£202,000
- 64 Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JQ£82,000 · 2014£167,000
- 64 Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LD£262,000 · 2026£279,000
- 64 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DF£213,000 · 2021£259,000
- 64 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LF£114,950 · 2018£199,000
- 64 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XJ£110,000 · 2021£146,000
- 64 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LH£34,000 · 1996£159,000
- 64 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£71,950 · 2002£230,000
- 64 Sunnybank Road, Blackwood, Caerphilly, NP12 1HZ£115,000 · 2018£184,000
- 64 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LL£299,950 · 2022£328,000
- 64 William Street, Blackwood, Caerphilly, NP12 1NU£128,000 · 2018£221,000
- 64 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£326,995 · 2025£353,000
- 64A, Cefn Road, Blackwood, Caerphilly, NP12 1JB£166,000 · 2016£305,000
- 65 Addison Street, Blackwood, Caerphilly, NP12 1EN£124,950 · 2005£240,000
- 65 Albany Road, Blackwood, Caerphilly, NP12 1DX£49,475 · 2002£192,000
- 65 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£75,000 · 2001£346,000
- 65 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£170,000 · 2011£295,000
- 65 Brookfield Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AF£50,000 · 2010£123,000
- 65 Bryn Road, Markham, Blackwood, Caerphilly, NP12 0QF£24,300 · 2002£167,000
- 65 Cefn Fforest Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JZ£170,000 · 2026£173,000
- 65 Cefn Road, Blackwood, Caerphilly, NP12 1JB£84,250 · 2009£185,000
- 65 Central Avenue, Oakdale, Blackwood, Caerphilly, NP12 0DX£155,000 · 2021£213,000
- 65 Chartist Way, Blackwood, Caerphilly, NP12 1WH£112,000 · 2021£142,000
- 65 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£203,000 · 2024£226,000
- 65 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£174,995 · 2003£388,000
- 65 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£375,000 · 2025£394,000
- 65 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PL£59,500 · 2000£264,000
- 65 Gordon Road, Blackwood, Caerphilly, NP12 1DS£177,000 · 2021£236,000
- 65 Grange Hill, Bonnie View, Blackwood, Caerphilly, NP12 3PF£196,000 · 2022£234,000
- 65 Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JQ£180,000 · 2021£235,000
- 65 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LZ£26,315 · 2001£157,000
- 65 Meadow Close, Pengam, Blackwood, Caerphilly, NP12 3RD£99,995 · 2005£169,000
- 65 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DF£175,000 · 2019£268,000
- 65 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NF£225,000 · 2024£242,000
- 65 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UQ£120,000 · 2002£360,000
- 65 William Street, Blackwood, Caerphilly, NP12 1NU£187,500 · 2025£211,000
- 65 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£319,995 · 2023£336,000
- 66 Albany Road, Blackwood, Caerphilly, NP12 1DY£127,000 · 2020£200,000
- 66 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BG£214,500 · 2021£280,000
- 66 Bloomfield Road, Blackwood, Islwyn, Gwent, NP12 1LX£41,000 · 1995£242,000
- 66 Bryn Lane, The Bryn, Blackwood, Caerphilly, NP12 2PQ£155,000 · 2017£271,000
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 →