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
- Hillside Bungalow, Upper Trelyn, Blackwood, Caerphilly, NP12 1RR£400,000 · 2021£552,000
- Hillside Bungalow, Upper Trelyn, Blackwood, Islwyn, Gwent, NP12 1RR£95,950 · 1995£409,000
- Hillside Cottage, Argoed, Blackwood, Caerphilly, NP12 0HR£300,000 · 2013£465,000
- Hillside Cottage, St Davids Avenue, Woodfieldside, Blackwood, Caerphilly, NP12 0PD£69,000 · 1996£318,000
- Hillside, Gellihaf Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3SG£110,000 · 2012£210,000
- Hillside House, Argoed, Blackwood, Caerphilly, NP12 0HR£86,500 · 2001£320,000
- Hillside House, St Davids Avenue, Woodfieldside, Blackwood, Caerphilly, NP12 0PD£69,000 · 1997£319,000
- Holly Bungalow, New Road, Pengam, Blackwood, Caerphilly, NP12 3QY£375,000 · 2024£385,000
- Holly House, 5, Cefn Road, Blackwood, Caerphilly, NP12 1PR£247,500 · 2018£399,000
- Holly Lodge, Bloomfield Road, Blackwood, Caerphilly, NP12 1QB£415,000 · 2007£620,000
- Holly's Cottage, 21, Plas Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3RJ£225,000 · 2025£252,000
- Holmlands, Bedwellty, Blackwood, Caerphilly, NP12 0BD£260,000 · 2015£378,000
- Homeland, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3TX£135,050 · 2017£227,000
- Homeleigh, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LH£35,000 · 1999£192,000
- Homeleigh, Woodbine Road, Blackwood, Caerphilly, NP12 1QH£165,000 · 2006£279,000
- Honeymead, Tredegar Road, Blackwood, Caerphilly, NP12 1BY£115,066 · 2023£137,000
- Hyfield, Garfield Street, Blackwood, Caerphilly, NP12 1DR£115,000 · 2012£255,000
- Ide Cottage, Mount Pleasant, Fleur De Lis, Blackwood, Caerphilly, NP12 3SA£130,000 · 2002£382,000
- Inglenook, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£149,950 · 2018£229,000
- Inverness, Blackwood Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2BW£77,000 · 2002£261,000
- Islwyn House, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JG£350,000 · 2023£222,000
- Islwyn Inn, 29, Glanhowy Road, Wyllie, Blackwood, Caerphilly, NP12 2HN£130,000 · 2018£237,000
- Islwyn, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£230,000 · 2021£323,000
- Itec Training Solutions Ltd, 81, High Street, Blackwood, Caerphilly, NP12 1BA£225,000 · 2025£315,000
- Ivron, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£202,000 · 2007£355,000
- J R Brooks, Gordon Road South Lane, Blackwood, Caerphilly, NP12 1FJ£28,000 · 2020£48,000
- Jansan Wear Ltd, 19, High Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UD£102,500 · 2016£174,000
- Jasmine View, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£155,000 · 2002£437,000
- Kia-Ora, Nydfa Road, Pengam, Blackwood, Caerphilly, NP12 3SX£72,000 · 2012£138,000
- Kimberley, Gellihaf Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3SG£150,000 · 2024£172,000
- Kingdom Hall Of Jehovahs Witnesses, High Street, Blackwood, Caerphilly, NP12 1BB£210,000 · 2018£384,000
- Kuldana, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£179,995 · 2019£273,000
- Kym's Newsagents And General Store, 61, Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PR£70,000 · 2001£259,000
- Ladbrokes Ltd, High Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UE£120,000 · 2023£153,000
- Land At, The Crown, Pontllanfraith, Blackwood, Monmouthshire, NP12 2HE£60,000 · 1999£257,000
- Laurel Dene, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£16,000 · 2003£94,000
- Laurels, Bryn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EX£225,000 · 2006£335,000
- Laurels, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£240,000 · 2022£276,000
- Laurels, Tredegar Road, Blackwood, Caerphilly, NP12 1BW£495,000 · 2017£818,000
- Leodene, The Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2HD£120,000 · 2000£423,000
- Lewis Yard, Storage Workshop, William Street East Ul, Blackwood, Caerphilly, NP12 1HG£80,000 · 2022£113,000
- Libanus Christian Community Centre, Libanus Lifestyle (Wales) Cic, Libanus Road, Blackwood, Caerphilly, NP12 1EQ£45,000 · 2015£85,000
- Liberty Care Ltd, 76B, High Street, Blackwood, Caerphilly, NP12 1AE£80,000 · 2015£194,000
- Library Court, Flat 1, Gordon Road, Blackwood, Caerphilly, NP12 1FB£149,000 · 2024£155,000
- Library Court, Flat 3, Gordon Road, Blackwood, Caerphilly, NP12 1FB£138,000 · 2024£146,000
- Library Court, Flat 4, Gordon Road, Blackwood, Caerphilly, NP12 1FB£124,700 · 2019£161,000
- Lillystock, Libanus Road, Blackwood, Caerphilly, NP12 1EQ£250,000 · 2012£428,000
- Lindun, Highbury Drive, Blackwood, Caerphilly, NP12 1DL£165,000 · 2015£311,000
- Llan-Y-Bryn, Central Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JS£307,900 · 2024£353,000
- Llanarth Stores, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£86,000 · 2001£322,000
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 →