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
- Greenbanks, Tredegar Road, Blackwood, Caerphilly, NP12 1BW£176,000 · 2007£288,000
- Greenfield, Park Terrace, Woodfieldside, Blackwood, Caerphilly, NP12 0PE£215,000 · 2023£246,000
- Greenfield, 38, Blackwood Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2BW£170,000 · 2017£302,000
- Greenhill Villa, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£198,000 · 2025£227,000
- Greenmeadow Bungalows, Thorneville, Glan Y Nant, Blackwood, Caerphilly, NP12 3XR£400,000 · 2025£431,000
- Greenmeadow Farm, Tir-Pengam, Pengam Road, Glan Y Nant, Blackwood, Caerphilly, NP12 3XQ£3,000 · 2021—
- Greenmeadow, The Fairways, Blackwood, Caerphilly, NP12 1HX£440,000 · 2016£631,000
- Greenroofs, St Davids Road, Pengam, Blackwood, Caerphilly, NP12 3TY£165,000 · 2007£284,000
- Greenvale, Bryn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EX£60,000 · 1999£259,000
- Gregory Cottage, Woodfieldside, Blackwood, Caerphilly, NP12 0PJ£152,000 · 2019£232,000
- Grosvenor Bungalow, Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LD£215,000 · 2020£323,000
- Grosvenor House, Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LD£410,000 · 2022£463,000
- Grove Lodge, High Street, Blackwood, Caerphilly, NP12 1BE£200,000 · 2008£284,000
- Guiana Bungalow, Ladysmith Road, Blackwood, Caerphilly, NP12 1DJ£122,000 · 2011£257,000
- Gwerna Cottage, Woodfieldside, Blackwood, Caerphilly, NP12 0PJ£157,000 · 2024£185,000
- Gwesty House, Oakdale, Blackwood, Caerphilly, NP12 0LH£295,000 · 2018£505,000
- Gwynmora, Llwyn On Lane, Oakdale, Blackwood, Caerphilly, NP12 0NF£325,000 · 2023£378,000
- H Rowlands & Sons (Newsagents) Ltd, High Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UE£80,000 · 2003£203,000
- H Rowlands & Sons (Newsagents) Ltd, Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3JR£23,000 · 2021£60,000
- Hafod, St Davids Road, Pengam, Blackwood, Caerphilly, NP12 3RA£285,000 · 2017£470,000
- Hafodrisclawdd-Fach, Manmoel, Blackwood, Caerphilly, NP12 0HZ£399,999 · 2022£507,000
- Hawthorne Cottage, The Rhiw, Blackwood, Islwyn, Gwent, NP12 0EF£59,950 · 1995£297,000
- Hazel Court, 2, Glendale Gardens, Fleur De Lis, Blackwood, Caerphilly, NP12 3TR£300,000 · 2018£524,000
- Hazeldene, Gordon Road, Blackwood, Caerphilly, NP12 1DG£380,000 · 2026£391,000
- Hazeldene, Pentwyn Road, Blackwood, Caerphilly, NP12 1HW£124,995 · 2013£251,000
- Hazeldene, St Davids Avenue, Woodfieldside, Blackwood, Caerphilly, NP12 0PD£300,000 · 2025£334,000
- Hazeldene, 25, Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£58,000 · 2005£163,000
- Hazelhurst, Ground Floor Flat, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JY£75,000 · 2005£94,000
- Hazelhurst, 2, Basement Flat, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JY£85,000 · 2022£82,000
- Hazelhurst, 2, Ground Floor Flat, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JY£42,000 · 2020£57,000
- Hazelwood, Woodbine Road, Blackwood, Caerphilly, NP12 1QH£72,000 · 2002£270,000
- Hazlehurst, 2, Flat C, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JY£23,500 · 2001£72,000
- Heatherlea, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£216,500 · 2023£243,000
- Heddfan, Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XJ£43,000 · 1998£193,000
- Heol-Ddu House, Heol Ddu Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2GX£285,000 · 2021£393,000
- Heolddu Bungalow, 1, Heol Ddu Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2GX£245,000 · 2007£365,000
- Heolddu Bungalow, 2, Heol Ddu Lane, Pontllanfraith, Blackwood, Caerphilly, NP12 2GX£110,000 · 2013£203,000
- High View Bungalow, Edward Street, Fairview, Blackwood, Caerphilly, NP12 3NZ£1,100 · 2023£228,000
- Highbury House, Highbury Drive, Blackwood, Caerphilly, NP12 1DL£165,000 · 1998£593,000
- Highbury, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£48,500 · 1996£238,000
- Highcrest Garage, James Street, Markham, Blackwood, Caerphilly, NP12 0QN£400,000 · 2022£558,000
- Highfield, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£43,500 · 1997£218,000
- Highgield House, 3, Aspen Avenue, Blackwood, Caerphilly, NP12 1WW£527,500 · 2026£554,000
- Highmead, Tredegar Road, Blackwood, Caerphilly, NP12 1BY£154,934 · 2023£184,000
- Hightree House, Penllwyn Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2JX£31,000 · 1999£144,000
- Hightrees, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£216,000 · 2014£380,000
- Hill View, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3TX£109,000 · 2012£203,000
- Hillclose, Gellihaf, Blackwood, Caerphilly, NP12 2QE£137,000 · 2002£450,000
- Hillcrest, South View Road, Blackwood, Caerphilly, NP12 1HR£600,000 · 2022£728,000
- Hillfield, Libanus Road, Blackwood, Caerphilly, NP12 1EQ£255,000 · 2025£275,000
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 →