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
- 1 Nant Gau, Oakdale, Blackwood, Caerphilly, NP12 0GY£173,000 · 2005£319,000
- 1 New Bryngwyn Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RY£45,500 · 2001£188,000
- 1 Newfoundland Way, Blackwood, Islwyn, Gwent, NP12 1FS£64,750 · 1995£299,000
- 1 Nydfa Road, Pengam, Blackwood, Caerphilly, NP12 3SX£97,000 · 2015£159,000
- 1 Oak Court, Woodfieldside, Blackwood, Caerphilly, NP12 0BY£54,500 · 1997£255,000
- 1 Oak Street, Blackwood, Caerphilly, NP12 1PY£36,000 · 1999£166,000
- 1 Oak Tree Close, Fleur De Lis, Blackwood, Caerphilly, NP12 3RE£106,000 · 2000£380,000
- 1 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DF£35,000 · 1997£169,000
- 1 Oakfield, Pontllanfraith, Blackwood, Caerphilly, NP12 2AJ£146,000 · 2019£232,000
- 1 Old School Place, Blackwood, Caerphilly, NP12 1FW£106,250 · 2017£223,000
- 1 Old Vicarage Close, Pengam, Blackwood, Caerphilly, NP12 3TU£289,995 · 2015£477,000
- 1 Overdene, Pontllanfraith, Blackwood, Caerphilly, NP12 2JS£38,500 · 2001£187,000
- 1 Padfield Cottages, Fleur De Lis, Blackwood, Caerphilly, NP12 3SH£190,000 · 2021£257,000
- 1 Parc Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2RA£110,000 · 2000£405,000
- 1 Parc Plas, Blackwood, Caerphilly, NP12 1SJ£252,000 · 2021£333,000
- 1 Park Lane, Oakdale, Blackwood, Caerphilly, NP12 0NS£197,000 · 2011£334,000
- 1 Park Terrace, Woodfieldside, Blackwood, Caerphilly, NP12 0PE£78,930 · 2006£145,000
- 1 Parklands, Sunnybank, Blackwood, Caerphilly, NP12 1HU£75,000 · 1999£318,000
- 1 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£165,500 · 2013£317,000
- 1 Pen Y Mead, Pontllanfraith, Blackwood, Caerphilly, NP12 2QN£66,000 · 2015£139,000
- 1 Pen-Rhiw Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JP£185,000 · 2025£196,000
- 1 Penmaen Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JZ£135,000 · 2021£184,000
- 1 Penmaen Corner, Oakdale, Blackwood, Caerphilly, NP12 0NN£270,000 · 2022£337,000
- 1 Penmaen Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2DL£130,000 · 2022£161,000
- 1 Penmaen Villas, Penmaen, Blackwood, Caerphilly, NP12 0DL£240,000 · 2022£278,000
- 1 Penrhiw Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JP£88,000 · 2008£155,000
- 1 Penrhiw Terrace, Oakdale, Blackwood, Caerphilly, NP12 0JH£94,000 · 2009£251,000
- 1 Penrhiw Villas, Oakdale, Blackwood, Caerphilly, NP12 0JQ£262,500 · 2021£332,000
- 1 Pentre Cottages, Manmoel, Blackwood, Islwyn, Gwent, NP12 0RN£60,000 · 1995£290,000
- 1 Pentwyn Court, Blackwood, Caerphilly, NP12 1HL£90,000 · 1999£365,000
- 1 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JS£133,000 · 2019£203,000
- 1 Penybryn Terrace, The Bryn, Blackwood, Caerphilly, NP12 2EZ£108,000 · 2021£140,000
- 1 Penywaen Cottages, Bedwellty, Blackwood, Caerphilly, NP12 0BB£240,000 · 2006£365,000
- 1 Penywerlod Road, Markham, Blackwood, Islwyn, Gwent, NP12 0PY£125,000 · 2007£204,000
- 1 Penywerlod Terrace, Markham, Blackwood, Caerphilly, NP12 0RE£105,000 · 2005£180,000
- 1 Plas Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3RJ£57,000 · 1997£277,000
- 1 Plas View, Blackwood, Caerphilly, NP12 1DU£112,000 · 2014£242,000
- 1 Plasgwyn Terrace, Fleur De Lis, Blackwood, Islwyn, Gwent, NP12 3SD£38,000 · 1995£194,000
- 1 Pleasant Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2GQ£120,000 · 2020£181,000
- 1 Powis Close, Grove Park, Blackwood, Caerphilly, NP12 1GN£150,000 · 2011£260,000
- 1 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£164,950 · 2019£237,000
- 1 Pritchard Terrace, Fleur De Lis, Blackwood, Caerphilly, NP12 3UW£91,000 · 2012£168,000
- 1 Raglan Close, Blackwood, Caerphilly, NP12 1GA£114,000 · 2005£207,000
- 1 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£95,500 · 2000£331,000
- 1 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£332,500 · 2023£379,000
- 1 Rhodfa Wyllie, Gellihaf, Blackwood, Caerphilly, NP12 2RF£250,000 · 2025£293,000
- 1 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£185,000 · 2013£349,000
- 1 Rhosnewydd Terrace, Blackwood, Caerphilly, NP12 1DT£160,000 · 2022£184,000
- 1 Rhys Road, Blackwood, Caerphilly, NP12 3QR£167,000 · 2021£214,000
- 1 River Row, The Rhiw, Blackwood, Caerphilly, NP12 0EH£55,350 · 2003£178,000
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 →