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
- 8 Lower James Street, Argoed, Blackwood, Caerphilly, NP12 0HW£17,100 · 2003£166,000
- 8 Maes Bengi, Oakdale, Blackwood, Caerphilly, NP12 0EX£154,950 · 2018£244,000
- 8 Maes Yr Afon, Pontllanfraith, Blackwood, Caerphilly, NP12 2GR£128,000 · 2014£194,000
- 8 Mersey Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FZ£128,000 · 2007£197,000
- 8 Millers Wood, Penmaen, Blackwood, Caerphilly, NP12 0FE£335,000 · 2020£417,000
- 8 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EE£48,000 · 2001£202,000
- 8 Mountain View, Markham, Blackwood, Caerphilly, NP12 0QU£90,000 · 2021£133,000
- 8 Nant Gau, Oakdale, Blackwood, Caerphilly, NP12 0GY£120,000 · 2016£222,000
- 8 Newfoundland Way, Blackwood, Caerphilly, NP12 1FS£100,000 · 2018£179,000
- 8 Newport Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JN£64,000 · 2008£135,000
- 8 Oak Court, Woodfieldside, Blackwood, Caerphilly, NP12 0BY£44,300 · 1997£217,000
- 8 Oak Terrace, Fleur De Lis, Blackwood, Islwyn, Gwent, NP12 3RW£25,000 · 1995£141,000
- 8 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DF£25,500 · 1999£179,000
- 8 Old School Place, Blackwood, Caerphilly, NP12 1FW£126,000 · 2017£241,000
- 8 Pantycefn Road, Markham, Blackwood, Caerphilly, NP12 0PX£90,000 · 2016£180,000
- 8 Parc Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2RA£110,000 · 2002£364,000
- 8 Parc Plas, Blackwood, Caerphilly, NP12 1SJ£86,950 · 1996£366,000
- 8 Park Lane, Oakdale, Blackwood, Caerphilly, NP12 0NS£142,000 · 2010£228,000
- 8 Parklands, Sunnybank, Blackwood, Caerphilly, NP12 1HU£210,000 · 2006£340,000
- 8 Pembroke Close, Blackwood, Caerphilly, NP12 1JL£62,500 · 1998£299,000
- 8 Pen Y Fan Way, Oakdale, Blackwood, Caerphilly, NP12 0JE£145,000 · 2015£235,000
- 8 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£400,000 · 2025£424,000
- 8 Pen-Rhiw Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JP£128,000 · 2022£161,000
- 8 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XH£169,500 · 2025£187,000
- 8 Penllwyn Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2JX£40,000 · 1996£202,000
- 8 Pentwyn Avenue, Blackwood, Caerphilly, NP12 1HS£327,500 · 2022£383,000
- 8 Penywaun Close, Oakdale, Blackwood, Caerphilly, NP12 0BL£323,000 · 2026£330,000
- 8 Penywerlod Terrace, Markham, Blackwood, Caerphilly, NP12 0RE£140,000 · 2024£156,000
- 8 Plas Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3SE£102,500 · 2009£173,000
- 8 Plas Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3RP£85,000 · 2015£154,000
- 8 Pleasant Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2GQ£174,995 · 2006£311,000
- 8 Pleasant View, Blackwood, Caerphilly, NP12 1JE£140,000 · 2022£192,000
- 8 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£300,000 · 2021£361,000
- 8 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NE£140,000 · 2026£153,000
- 8 Raglan Close, Blackwood, Caerphilly, NP12 1GA£125,000 · 2012£225,000
- 8 Railway Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SP£117,000 · 2023£139,000
- 8 Railway View, Pontllanfraith, Blackwood, Caerphilly, NP12 2DW£52,600 · 2001£213,000
- 8 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£98,450 · 2000£372,000
- 8 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£273,995 · 2020£382,000
- 8 Rhodfa Wyllie, Gellihaf, Blackwood, Caerphilly, NP12 2RF£317,995 · 2025£343,000
- 8 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£89,950 · 2001£312,000
- 8 Rhymney Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2QQ£36,000 · 1997£187,000
- 8 Rising Sun Close, Oakdale, Blackwood, Caerphilly, NP12 0JB£140,000 · 2007£235,000
- 8 River Terrace, Pengam, Blackwood, Caerphilly, NP12 3XB£150,000 · 2005£193,000
- 8 Rock Villas, The Rock, Blackwood, Caerphilly, NP12 0AD£223,000 · 2024£266,000
- 8 School Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UX£140,000 · 2023£199,000
- 8 School Way, Blackwood, Caerphilly, NP12 1FH£123,500 · 2006£216,000
- 8 Severn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2GA£102,500 · 2007£193,000
- 8 Sirhowy Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2RS£310,000 · 2024£324,000
- 8 Smiths Terrace, Woodfieldside, Blackwood, Caerphilly, NP12 0BW£131,000 · 2022£165,000
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 →