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
311
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
- Sweetbriar Bungalow, Pennar Crossing, Pontllanfraith, Blackwood, Caerphilly, NP12 2AW£92,500 · 2004£211,000
- Sweetwell Cottage, Mynyddislwyn, Blackwood, Caerphilly, NP12 2BL£585,000 · 2024£628,000
- Swn-Yr-Adar, Woodfieldside, Blackwood, Caerphilly, NP12 0PJ£315,000 · 2022£373,000
- Swn-Yr-Ysgol, Crown Lane, The Bryn, Blackwood, Caerphilly, NP12 2HA£340,000 · 2019£512,000
- Tan Y Coed, Lon Maes Yr Haf, Oakdale, Blackwood, Caerphilly, NP12 0LH£315,000 · 2011£540,000
- Tan-Y-Bryn House, Bryn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EX£89,995 · 2004£201,000
- Tauline, Pentwyn Road, Blackwood, Caerphilly, NP12 1HN£182,000 · 2019£277,000
- Tawelfryn, Llwynbach Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SH£66,000 · 2002£236,000
- Tegfan, Tredegar Road, Blackwood, Caerphilly, NP12 1BY£85,000 · 2002£307,000
- The Brae, Coed Cae Ddu Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2DA£76,000 · 2003£242,000
- The Bungalow, Libanus Road, Blackwood, Caerphilly, NP12 1EH£168,000 · 2018£273,000
- The Bungalow, Pritchard Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3UW£130,000 · 2010£269,000
- The Bungalow, Thorncombe Road, Blackwood, Caerphilly, NP12 1AT£200,000 · 2009£389,000
- The Chapel Cottage, Maesruddud Lane, Blackwood, Caerphilly, NP12 0AG£330,000 · 2014£535,000
- The Chinese Oakdale, 6, Central Buildings, Oakdale, Blackwood, Caerphilly, NP12 0JU£148,000 · 2025£208,000
- The Coach House, Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XH£235,000 · 2026£252,000
- The Conifers, St Deinols Close, Pengam, Blackwood, Caerphilly, NP12 3TZ£345,000 · 2020£479,000
- The Croft, New Road, Pengam, Blackwood, Caerphilly, NP12 3QZ£63,000 · 1997£291,000
- The Croft, Park View Bungalows, Penmaen, Blackwood, Caerphilly, NP12 0DE£302,000 · 2023£361,000
- The Croft, Penmaen, Blackwood, Caerphilly, NP12 0DE£187,000 · 2006£307,000
- The Croft, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£195,400 · 2017£353,000
- The Dairy Barn, Argoed, Blackwood, Caerphilly, NP12 0BA£486,000 · 2025£685,000
- The Dairy, Stanley Street, Blackwood, Caerphilly, NP12 1PT£38,000 · 2023£49,000
- The Dorics, High Street, Blackwood, Caerphilly, NP12 1BE£245,000 · 2013£436,000
- The Finches, Libanus Road, Blackwood, Caerphilly, NP12 1EQ£255,000 · 2025£273,000
- The Firs, Bryngoleu Street, Cefn Fforest, Blackwood, Caerphilly, NP12 3ND£262,000 · 2023£306,000
- The Fruit Basket, Marionwen Street, Cefn Fforest, Blackwood, Caerphilly, NP12 3JT£31,000 · 2018£58,000
- The Glen, New Road, Pengam, Blackwood, Caerphilly, NP12 3QZ£250,000 · 2012£442,000
- The Glen, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£185,000 · 2011£363,000
- The Grove, Montclaire Avenue, Blackwood, Caerphilly, NP12 1EE£80,000 · 2003£213,000
- The Hollies, Sir Ivor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£200,000 · 2025£212,000
- The Jays, 13, Ladysmith Road, Blackwood, Caerphilly, NP12 1DJ£255,000 · 2022£309,000
- The Laurels, 3, The Rock, Blackwood, Caerphilly, NP12 0AB£260,000 · 2022£332,000
- The Laurels, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3ST£165,000 · 2025£186,000
- The Laurels, Glanhowy Road, Wyllie, Blackwood, Caerphilly, NP12 2HN£130,000 · 2005£234,000
- The Laurels, 6, Gerddi Ty Mawr, Gelligroes, Blackwood, Caerphilly, NP12 2GY£516,250 · 2026£590,000
- The Llanarth Club, Flat, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£50,000 · 2017£100,000
- The Majors, Julian Heights, Fleur De Lis, Blackwood, Caerphilly, NP12 3TT£121,780 · 2012£257,000
- The Majors, 1, Fair View, Blackwood, Caerphilly, NP12 3NS£160,000 · 2005£263,000
- The Manse, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3UA£155,000 · 2008£245,000
- The New Forge, Brynhoward Terrace, Oakdale, Blackwood, Caerphilly, NP12 0LG£600,000 · 2022£832,000
- The New Workshop, Fairview, Blackwood, Caerphilly, NP12 3PA£79,950 · 2025£134,000
- The Oaks, Rhosnewydd Terrace, Blackwood, Caerphilly, NP12 1DT£264,250 · 2016£428,000
- The Old Bake House, Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AU£280,000 · 2015£507,000
- The Old Church, Unit B, Brynhoward Terrace, Oakdale, Blackwood, Caerphilly, NP12 0LE£120,000 · 2021£171,000
- The Old Court, 2, William Street, Blackwood, Caerphilly, NP12 1NU£335,000 · 2025£357,000
- The Old Court, 3, Hall Street, Blackwood, Caerphilly, NP12 1NY£285,000 · 2026£365,000
- The Old Manse, Pentwyn Road, Blackwood, Caerphilly, NP12 1HN£284,950 · 2021£386,000
- The Old Surgery, Essentia Tattoo Studio, Bryn Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NA£128,000 · 2025£179,000
- The Retreat-Argoed, High Street, Argoed, Blackwood, Caerphilly, NP12 0HG£300,000 · 2007£460,000
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.
311 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 311 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 →