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
- 3 Cherry Trees, Markham, Blackwood, Caerphilly, NP12 0QW£38,000 · 1999£180,000
- 3 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£239,950 · 2019£381,000
- 3 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£65,000 · 2003£183,000
- 3 Clos Oakdale, Gellihaf, Blackwood, Caerphilly, NP12 2QU£278,995 · 2021£367,000
- 3 Clos Y Goron, Pontllanfraith, Blackwood, Caerphilly, NP12 2HZ£167,495 · 2002£475,000
- 3 Coed Gelli Parc, Cwmgelli, Blackwood, Caerphilly, NP12 1GS£207,500 · 2004£390,000
- 3 Coed Y Bryn, Blackwood, Caerphilly, NP12 1HA£180,000 · 2014£337,000
- 3 Coronation Road, Blackwood, Caerphilly, NP12 1EA£108,000 · 2019£188,000
- 3 Coundley Close, Fleur De Lis, Blackwood, Caerphilly, NP12 3TS£242,500 · 2022£261,000
- 3 Criccieth Close, Grove Park, Blackwood, Caerphilly, NP12 1GH£44,000 · 2003£132,000
- 3 Croeso Square, Blackwood, Caerphilly, NP12 1WE£95,000 · 2019£152,000
- 3 Crown Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2GD£220,000 · 2026£227,000
- 3 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£199,950 · 2006£285,000
- 3 Cwrt Bryn Y Grug, Blackwood, Caerphilly, NP12 1SP£110,000 · 2017£189,000
- 3 Cwrt Hendre, Fairview, Blackwood, Caerphilly, NP12 3LR£150,000 · 2014£278,000
- 3 Cwrt Pantycelyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2LT£117,500 · 2017£224,000
- 3 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£200,000 · 2016£337,000
- 3 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£257,000 · 2019£397,000
- 3 Darren Court, Oakdale, Blackwood, Caerphilly, NP12 0JF£39,000 · 1996£208,000
- 3 David Street, Blackwood, Caerphilly, NP12 1AP£115,000 · 2007£707,000
- 3 Denbigh Close, Blackwood, Caerphilly, NP12 1JH£390,000 · 2025£420,000
- 3 Dylan Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NQ£145,000 · 2019£197,000
- 3 Edward Street, Fairview, Blackwood, Caerphilly, NP12 3NT£169,000 · 2022£193,000
- 3 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AA£212,000 · 2021£280,000
- 3 Elm Court, Woodfieldside, Blackwood, Caerphilly, NP12 0PL£150,000 · 2021£198,000
- 3 Fairfield Close, Blackwood, Caerphilly, NP12 1EJ£152,000 · 2021£223,000
- 3 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£242,500 · 2024£263,000
- 3 Ffordd Penallta, Gellihaf, Blackwood, Caerphilly, NP12 2QX£182,995 · 2021£234,000
- 3 Ffynonwen Terrace, Pengam, Blackwood, Islwyn, Gwent, NP12 3TD£129,000 · 2020£178,000
- 3 Field Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2PD£165,000 · 2018£262,000
- 3 Flat 1A, Bryn Lane, The Bryn, Blackwood, Caerphilly, NP12 2PG£84,950 · 2018£110,000
- 3 Fords Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3XS£130,000 · 2017£204,000
- 3 Gardd Jolyon, Blackwood, Caerphilly, NP12 3QU£118,000 · 2005£223,000
- 3 Gelli Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2JR£266,000 · 2024£286,000
- 3 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JU£157,000 · 2025£172,000
- 3 Gellihaf Cottages, Gellihaf, Blackwood, Caerphilly, NP12 2QB£40,000 · 2015£91,000
- 3 Gellihaf Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UY£350,000 · 2024£378,000
- 3 Gellir Felin, Argoed, Blackwood, Caerphilly, NP12 0HS£340,000 · 2015£564,000
- 3 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£95,000 · 2006£193,000
- 3 George Street, Argoed, Blackwood, Caerphilly, NP12 0AW£83,000 · 2019£131,000
- 3 George Street, Blackwood, Caerphilly, NP12 1NZ£107,500 · 2016£186,000
- 3 Ger Y Felin, Gelligroes, Blackwood, Caerphilly, NP12 2GP£260,000 · 2008£406,000
- 3 Gerddi Ty Mawr, Gelligroes, Blackwood, Caerphilly, NP12 2GY£425,000 · 2022£475,000
- 3 Glanddu Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3XT£117,000 · 2018£189,000
- 3 Glasfryn, Blackwood, Caerphilly, NP12 1FQ£140,000 · 2017£220,000
- 3 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£193,000 · 2016£330,000
- 3 Gordon Road, Blackwood, Monmouthshire, NP12 1DW£125,000 · 2006£213,000
- 3 Great Western Cottages, Hollybush, Blackwood, Caerphilly, NP12 0SB£128,500 · 2019£181,000
- 3 Greenwood Road, Blackwood, Caerphilly, NP12 1EZ£169,995 · 2018£246,000
- 3 Grosmont Close, Blackwood, Caerphilly, NP12 1GE£247,500 · 2012£426,000
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 →