House prices in NP12
Median value — November 2026
£216,000
Modelled from 8,053 properties Stede tracks in NP12
Market snapshot
£216,000
Median value
£243,444
Average value
306
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%£341,500
- 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
- 36 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£182,000 · 2005£326,000
- 36 Pen Y Mead, Pontllanfraith, Blackwood, Caerphilly, NP12 2QN£52,000 · 2004£131,000
- 36 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XJ£95,000 · 2009£162,000
- 36 Penllwyn Street, Ynysddu, Newport, Caerphilly, NP12 1AL£25,000 · 2001£109,000
- 36 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PZ£85,000 · 2007£146,000
- 36 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£229,000 · 2026£241,000
- 36 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NF£32,000 · 1999£156,000
- 36 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£88,500 · 2000£334,000
- 36 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£246,995 · 2021£295,000
- 36 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£133,500 · 2005£220,000
- 36 Salway Avenue, Pengam, Blackwood, Caerphilly, NP12 3TH£97,500 · 2024£144,000
- 36 Severn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2GA£215,050 · 2022£271,000
- 36 Shannon Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FW£235,000 · 2023£282,000
- 36 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JL£90,000 · 2017£170,000
- 36 Sirhowy View, Pontllanfraith, Blackwood, Caerphilly, NP12 2GG£170,000 · 2026£196,000
- 36 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£124,000 · 2004£233,000
- 36 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NR£210,000 · 2025£245,000
- 36 Sunnybank Road, Blackwood, Caerphilly, NP12 1HZ£142,000 · 2020£214,000
- 36 Syr Dafydd Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LA£105,000 · 2018£181,000
- 36 The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£416,000 · 2022£492,000
- 36 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£150,000 · 2011£278,000
- 36 Tree Tops Avenue, Blackwood, Caerphilly, NP12 1JF£210,000 · 2025£221,000
- 36 Vancouver Drive, Penmaen, Blackwood, Caerphilly, NP12 0UQ£215,000 · 2024£244,000
- 36 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RT£83,200 · 2018£132,000
- 36 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LL£74,000 · 1999£316,000
- 36 Waunborfa Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3LB£120,000 · 2021£159,000
- 36 William Street, Blackwood, Caerphilly, NP12 1NW£83,500 · 2011£171,000
- 36 Woodbine Road, Blackwood, Caerphilly, NP12 1QF£147,000 · 2018£215,000
- 36 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£189,995 · 2023£195,000
- 36 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£158,000 · 2016£287,000
- 36 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£79,950 · 1999£305,000
- 36A, Cefn Road, Blackwood, Caerphilly, NP12 1QA£151,000 · 2020£225,000
- 36A, Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£263,000 · 2023£315,000
- 36B, Gelynos Avenue, Argoed, Blackwood, Caerphilly, NP12 0AT£265,000 · 2024£318,000
- 37 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PR£75,000 · 2018£145,000
- 37 Addison Street, Blackwood, Caerphilly, NP12 1EN£148,000 · 2007£224,000
- 37 Attlee Road, Blackwood, Caerphilly, NP12 1QD£119,950 · 2018£207,000
- 37 Beech Grove, Oakdale, Blackwood, Caerphilly, NP12 0NB£82,000 · 2014£194,000
- 37 Bloomfield Road, Blackwood, Caerphilly, NP12 1LX£182,000 · 2022£227,000
- 37 Brisbane Court, Upper Trelyn, Blackwood, Caerphilly, NP12 3FJ£120,000 · 2007£192,000
- 37 Britannia Terrace, Pengam, Blackwood, Caerphilly, NP12 3TE£22,000 · 1999£161,000
- 37 Broadmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2NJ£77,000 · 2014£175,000
- 37 Burnet Drive, Pontllanfraith, Blackwood, Caerphilly, NP12 2FN£159,995 · 2004£325,000
- 37 Castle Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3UH£325,000 · 2019£473,000
- 37 Cefn Road, Blackwood, Caerphilly, NP12 1JB£300,000 · 2022£385,000
- 37 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£172,500 · 2010£354,000
- 37 Clos Coed Duon, Blackwood, Caerphilly, NP12 1FP£140,000 · 2006£246,000
- 37 Coronation Road, Blackwood, Caerphilly, NP12 1EA£190,000 · 2022£232,000
- 37 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£146,950 · 2006£256,000
- 37 Cwrt Y Coed, Blackwood, Caerphilly, NP12 1GL£200,000 · 2023£225,000
About this area
NP12 is a UK postcode district. Stede can model 8,053 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 £243,444.
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.
306 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 £243,444 and the median is £216,000 across 8,053 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 8,053 properties in NP12, with 306 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 →