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
- 74 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XJ£125,000 · 2022£153,000
- 74 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LH£20,000 · 2003£153,000
- 74 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£160,000 · 2023£206,000
- 74 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NS£124,000 · 2021£156,000
- 74 William Street, Blackwood, Caerphilly, NP12 1NU£200,000 · 2026£209,000
- 74 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£239,995 · 2024£245,000
- 75 - 77, High Street, Blackwood, Caerphilly, NP12 1YY£295,500 · 2019£376,000
- 75 Albany Road, Blackwood, Caerphilly, NP12 1DX£121,500 · 2020£204,000
- 75 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£249,000 · 2008£403,000
- 75 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£212,950 · 2011£338,000
- 75 Bloomfield Road, Blackwood, Caerphilly, NP12 1LY£137,000 · 2006£276,000
- 75 Bryn Road, Markham, Blackwood, Caerphilly, NP12 0QF£90,000 · 2026£122,000
- 75 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BX£92,500 · 2026£142,000
- 75 Cefn Road, Blackwood, Caerphilly, NP12 1JA£108,000 · 2016£203,000
- 75 Coronation Road, Blackwood, Caerphilly, NP12 1ED£102,500 · 2016£217,000
- 75 Gordon Road, Blackwood, Caerphilly, NP12 1DS£110,000 · 2006£183,000
- 75 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LG£75,000 · 2018£139,000
- 75 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LJ£123,000 · 2025£152,000
- 75 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£85,000 · 2019£130,000
- 75 Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3LA£127,000 · 2017£219,000
- 75 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£357,995 · 2024£386,000
- 75A, Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£180,000 · 2022£196,000
- 76 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0QJ£140,000 · 2024£179,000
- 76 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DE£153,000 · 2004£338,000
- 76 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£249,995 · 2011£395,000
- 76 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BX£182,000 · 2025£199,000
- 76 Cefn Road, Blackwood, Caerphilly, NP12 1JB£58,500 · 1998£258,000
- 76 Christchurch Road, Penmaen, Blackwood, Caerphilly, NP12 0UX£159,950 · 2016£278,000
- 76 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£188,310 · 2008£301,000
- 76 Derwendeg Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LN£184,000 · 2025£200,000
- 76 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AB£145,000 · 2009£267,000
- 76 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£350,000 · 2025£384,000
- 76 James Street, Markham, Blackwood, Caerphilly, NP12 0QP£260,000 · 2025£345,000
- 76 Markham Crescent, Oakdale, Blackwood, Caerphilly, NP12 0LZ£47,500 · 2002£172,000
- 76 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LF£65,000 · 2024£103,000
- 76 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LH£140,000 · 2025£166,000
- 76 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NS£32,632 · 1999£141,000
- 76 William Street, Blackwood, Caerphilly, NP12 1NU£101,000 · 2016£186,000
- 76 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£239,995 · 2024£245,000
- 77 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0QJ£87,500 · 2006£214,000
- 77 Apollo Way, Blackwood, Islwyn, Gwent, NP12 1WB£37,000 · 1995£191,000
- 77 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HB£275,000 · 2022£354,000
- 77 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BP£181,000 · 2011£305,000
- 77 Bloomfield Road, Blackwood, Caerphilly, NP12 1LY£124,000 · 2012£247,000
- 77 Christchurch Road, Penmaen, Blackwood, Caerphilly, NP12 0UX£130,000 · 2016£244,000
- 77 Fair View, Blackwood, Caerphilly, NP12 3NR£80,000 · 2008£136,000
- 77 Fleur De Lys Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2NT£122,000 · 2025£135,000
- 77 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AZ£197,500 · 2025£215,000
- 77 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£330,995 · 2024£345,000
- 78 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0QJ£88,000 · 2021£140,000
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 →