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
- 21 Bryn Derw, Blackwood, Islwyn, Gwent, NP12 1SN£69,502 · 1995£298,000
- 21 Bryn Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NA£145,000 · 2009£284,000
- 21 Brynhyfryd Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2BP£36,000 · 2000£163,000
- 21 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BY£94,500 · 2005£180,000
- 21 Burnet Drive, Pontllanfraith, Blackwood, Caerphilly, NP12 2FN£176,500 · 2006£311,000
- 21 Cae Collen, Blackwood, Caerphilly, NP12 1FF£248,000 · 2023£268,000
- 21 Cae Garw, Oakdale, Blackwood, Caerphilly, NP12 0NX£179,000 · 2022£171,000
- 21 Cae'r Delyn, Oakdale, Blackwood, Caerphilly, NP12 0NW£134,999 · 2019£171,000
- 21 Caer Garreg, Oakdale, Blackwood, Caerphilly, NP12 0PA£246,995 · 2020£314,000
- 21 Caldicot Close, Blackwood, Caerphilly, NP12 1HH£139,095 · 2004£303,000
- 21 Cardiff Road, Glan Y Nant, Blackwood, Caerphilly, NP12 3XE£100,000 · 2022£127,000
- 21 Castle Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UH£175,000 · 2010£284,000
- 21 Cefn Road, Blackwood, Caerphilly, NP12 1QA£66,000 · 2000£308,000
- 21 Central Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LE£120,000 · 2022£147,000
- 21 Chepstow Close, Grove Park, Blackwood, Caerphilly, NP12 1GP£46,950 · 2002£160,000
- 21 Cherry Tree Road, The Bryn, Blackwood, Caerphilly, NP12 2PY£93,745 · 2013£201,000
- 21 Clos Carolyn, Blackwood, Islwyn, Gwent, NP12 3QT£229,000 · 2022£228,000
- 21 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£300,000 · 2026£314,000
- 21 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£165,500 · 2017£292,000
- 21 Coed Y Bryn, Blackwood, Caerphilly, NP12 1HA£89,450 · 1999£330,000
- 21 Coronation Road, Blackwood, Caerphilly, NP12 1EA£29,000 · 2002£174,000
- 21 Criccieth Close, Grove Park, Blackwood, Caerphilly, NP12 1GH£157,000 · 2022£178,000
- 21 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£139,950 · 2005£203,000
- 21 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£79,995 · 2000£300,000
- 21 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£245,000 · 2024£265,000
- 21 Davies Street, Cefn Fforest, Blackwood, Caerphilly, NP12 3NB£212,000 · 2022£232,000
- 21 Derwendeg Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LN£34,750 · 1997£171,000
- 21 Edge Hill, Pontllanfraith, Blackwood, Caerphilly, NP12 2NZ£65,000 · 2017£137,000
- 21 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£114,183 · 2023£169,000
- 21 Flat A, High Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UD£115,000 · 2025—
- 21 Fleur De Lys Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2EN£34,000 · 1998£213,000
- 21 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PN£142,950 · 2004£284,000
- 21 Gelli Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2JR£155,000 · 2024£179,000
- 21 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JU£77,000 · 2009£148,000
- 21 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£20,000 · 2001£150,000
- 21 Gibbs Close, Blackwood, Caerphilly, NP12 1WL£65,000 · 2005£177,000
- 21 Glan Islwyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2DF£37,000 · 1996£201,000
- 21 Glan Yr Afon Lane, Fleur De Lis, Blackwood, Caerphilly, NP12 3WA£362,000 · 2021£466,000
- 21 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£232,000 · 2021£302,000
- 21 Greenwood Road, Blackwood, Caerphilly, NP12 1EY£127,500 · 2007£231,000
- 21 Groveside Road, Oakdale, Blackwood, Caerphilly, NP12 0DN£97,000 · 1998£359,000
- 21 Gwent Court, Fleur De Lis, Blackwood, Caerphilly, NP12 3UN£93,000 · 2007£111,000
- 21 Hanbury Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XW£97,000 · 2018£160,000
- 21 Heol Trelyn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2QL£32,000 · 1998£152,000
- 21 High Street, Pengam, Blackwood, Caerphilly, NP12 3SY£340,000 · 2025£369,000
- 21 Hill View, Pontllanfraith, Blackwood, Caerphilly, NP12 2EL£155,000 · 2026£167,000
- 21 Ivor Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RF£135,000 · 2007£201,000
- 21 Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JG£128,000 · 2018£219,000
- 21 Lewis Street, Blackwood, Caerphilly, NP12 1PX£165,000 · 2022£188,000
- 21 Lilian Road, Blackwood, Caerphilly, NP12 1DN£136,500 · 2005£261,000
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 →