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
- 12 Brynteg Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2BY£90,000 · 2008£167,000
- 12 Cae Collen, Blackwood, Caerphilly, NP12 1FF£80,750 · 1998£324,000
- 12 Cae'r Delyn, Oakdale, Blackwood, Caerphilly, NP12 0NW£249,995 · 2020£344,000
- 12 Cae'r Garreg, Oakdale, Blackwood, Caerphilly, NP12 0PA£240,000 · 2024£273,000
- 12 Caer Hen Dy, Oakdale, Blackwood, Caerphilly, NP12 0NY£240,995 · 2020£302,000
- 12 Caer Nant, Oakdale, Blackwood, Caerphilly, NP12 0NZ£175,995 · 2020£216,000
- 12 Caernarvon Place, Blackwood, Islwyn, Gwent, NP12 1DB£49,000 · 1995£258,000
- 12 Cardiff Road, Glan Y Nant, Blackwood, Caerphilly, NP12 3XE£125,000 · 2023£145,000
- 12 Cardigan Way, Blackwood, Caerphilly, NP12 1GB£48,500 · 2000£221,000
- 12 Cefn Road, Blackwood, Caerphilly, NP12 1PR£160,000 · 2008£313,000
- 12 Central Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JU£62,500 · 2009£141,000
- 12 Chapel Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2AD£159,950 · 2018£261,000
- 12 Chepstow Close, Grove Park, Blackwood, Caerphilly, NP12 1GP£85,000 · 2004£152,000
- 12 Church View, Woodfieldside, Blackwood, Caerphilly, NP12 0BS£20,000 · 1997£120,000
- 12 Cinnabar Drive, Pontllanfraith, Blackwood, Caerphilly, NP12 2FP£205,000 · 2017£332,000
- 12 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£128,450 · 2003£371,000
- 12 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£55,000 · 1999£251,000
- 12 Clos Penllwyn, Gellihaf, Blackwood, Caerphilly, NP12 2QW£160,995 · 2021£184,000
- 12 Coed Gelli Parc, Cwmgelli, Blackwood, Caerphilly, NP12 1GS£99,995 · 1998£370,000
- 12 Coed Y Bryn, Blackwood, Caerphilly, NP12 1HA£102,000 · 2001£288,000
- 12 Coundley Close, Fleur De Lis, Blackwood, Caerphilly, NP12 3TS£135,000 · 2022£168,000
- 12 Craiglas Crescent, Cefn Fforest, Blackwood, Caerphilly, NP12 3JY£99,995 · 2017£173,000
- 12 Criccieth Close, Grove Park, Blackwood, Caerphilly, NP12 1GH£102,000 · 2006£170,000
- 12 Crown Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2GD£220,000 · 2024£237,000
- 12 Cwmalsie Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2LP£111,500 · 2005£202,000
- 12 Cwmdraw Court, Pontllanfraith, Blackwood, Caerphilly, NP12 2GH£92,000 · 2005£161,000
- 12 Cwrt Hendre, Fairview, Blackwood, Caerphilly, NP12 3LR£135,000 · 2017£236,000
- 12 Cwrt Pantycelyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2LT£132,000 · 2007£200,000
- 12 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£100,000 · 2015£245,000
- 12 Dan Y Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2FJ£114,500 · 2002£336,000
- 12 Darren Court, Oakdale, Blackwood, Caerphilly, NP12 0JF£162,500 · 2019£238,000
- 12 Derwen Close, Blackwood, Caerphilly, NP12 1JD£51,000 · 1997£284,000
- 12 Dylan Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NQ£126,000 · 2018£185,000
- 12 Elgar Close, Fairview, Blackwood, Caerphilly, NP12 3NP£132,000 · 2016£192,000
- 12 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AA£225,000 · 2021£269,000
- 12 Fair View, Blackwood, Caerphilly, NP12 3NS£79,000 · 2009£158,000
- 12 Farm Close, Oakdale, Blackwood, Caerphilly, NP12 0DS£152,500 · 2019£233,000
- 12 Ffordd Penallta, Gellihaf, Blackwood, Caerphilly, NP12 2QX£203,000 · 2026£217,000
- 12 Field Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2PD£149,950 · 2016£220,000
- 12 Floral Avenue, Fairview, Blackwood, Caerphilly, NP12 3NU£81,500 · 2011£171,000
- 12 Forest Hill, The Bryn, Blackwood, Caerphilly, NP12 2PW£215,000 · 2022£257,000
- 12 Gardd Jolyon, Blackwood, Caerphilly, NP12 3QU£133,500 · 2005£216,000
- 12 Garfield Street, Blackwood, Caerphilly, NP12 1DR£115,000 · 2014£197,000
- 12 Gelli Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2JR£89,950 · 2013£188,000
- 12 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JU£170,559 · 2022£204,000
- 12 Gellihaf Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UY£65,000 · 2000£278,000
- 12 Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£195,500 · 2026£201,000
- 12 George Street, Blackwood, Caerphilly, NP12 1NZ£116,500 · 2019£190,000
- 12 Glanhowy Road, Wyllie, Blackwood, Caerphilly, NP12 2HN£73,000 · 2003£177,000
- 12 Glasfryn, Blackwood, Caerphilly, NP12 1FQ£43,995 · 1998£145,000
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 →