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
- 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
- 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
- 46 Cefn Road, Blackwood, Caerphilly, NP12 1QA£280,000 · 2025£309,000
- 46 Chartist Way, Blackwood, Caerphilly, NP12 1WH£30,000 · 1996£168,000
- 46 Clos Coed Bach, Blackwood, Caerphilly, NP12 1GT£119,500 · 2003£294,000
- 46 Coronation Road, Blackwood, Caerphilly, NP12 1ED£160,000 · 2021£236,000
- 46 Croeso Square, Blackwood, Caerphilly, NP12 1WE£35,000 · 2001£151,000
- 46 Cwm Braenar, Pontllanfraith, Blackwood, Caerphilly, NP12 2DS£182,950 · 2006£318,000
- 46 Dylan Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3NG£37,500 · 2000£152,000
- 46 Edge Hill, Pontllanfraith, Blackwood, Caerphilly, NP12 2NY£45,950 · 2003£153,000
- 46 Edward Street, Fairview, Blackwood, Caerphilly, NP12 3NY£41,000 · 2015£107,000
- 46 Elim Way, Pontllanfraith, Blackwood, Caerphilly, NP12 2AB£205,000 · 2024£238,000
- 46 Fair View, Blackwood, Caerphilly, NP12 3NS£161,000 · 2025£176,000
- 46 Ffordd Caer Ywen, Cwmgelli, Blackwood, Caerphilly, NP12 1FX£210,000 · 2025£230,000
- 46 Gelligroes Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JT£144,000 · 2019£221,000
- 46 Glanhowy Road, Wyllie, Blackwood, Islwyn, Gwent, NP12 2HW£49,950 · 1995£234,000
- 46 Golwg Y Bont, Blackwood, Caerphilly, NP12 3FT£162,000 · 2015£302,000
- 46 Hanbury Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XP£50,000 · 2003£132,000
- 46 High Street, Pengam, Blackwood, Islwyn, Gwent, NP12 3SZ£120,000 · 2025£180,000
- 46 Highfield Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2ED£112,500 · 2015£205,000
- 46 James Street, Markham, Blackwood, Caerphilly, NP12 0QP£85,000 · 2015£219,000
- 46 Llwynon Crescent, Oakdale, Blackwood, Caerphilly, NP12 0ND£75,000 · 2003£203,000
- 46 Llwynon Road, Oakdale, Blackwood, Caerphilly, NP12 0LX£120,000 · 2021£151,000
- 46 Manor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NN£90,000 · 2011£196,000
- 46 Morrison Street, Blackwood, Caerphilly, NP12 1QQ£55,500 · 2003£219,000
- 46 Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LB£41,000 · 1998£193,000
- 46 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£190,000 · 2008£327,000
- 46 Pengam Street, Glan Y Nant, Blackwood, Merthyr Tydfil, NP12 3XJ£60,000 · 2003£172,000
- 46 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AY£108,000 · 2007£174,000
- 46 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PZ£30,500 · 1998£159,000
- 46 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£196,000 · 2026£195,000
- 46 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£267,000 · 2020£370,000
- 46 Salway Avenue, Pengam, Blackwood, Caerphilly, NP12 3TH£80,000 · 2014£156,000
- 46 Severn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2GA£63,000 · 1997£282,000
- 46 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JL£74,000 · 2009£158,000
- 46 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£327,500 · 2026£366,000
- 46 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NS£136,000 · 2021£166,000
- 46 Sunnybank Road, Blackwood, Caerphilly, NP12 1HZ£76,250 · 2003£199,000
- 46 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£168,000 · 2011£367,000
- 46 Tree Tops Avenue, Blackwood, Caerphilly, NP12 1JF£115,000 · 2021£191,000
- 46 Waun Goch Road, Oakdale, Blackwood, Caerphilly, NP12 0LL£425,000 · 2023£457,000
- 46 William Street, Blackwood, Caerphilly, NP12 1NW£188,000 · 2025£219,000
- 46 Woodbine Road, Blackwood, Caerphilly, NP12 1QF£120,000 · 2023£166,000
- 46 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£226,995 · 2023£229,000
- 46 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£89,500 · 1997£367,000
- 47 Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PR£30,500 · 2003£173,000
- 47 Addison Street, Blackwood, Caerphilly, NP12 1EN£87,000 · 2010£199,000
- 47 Aneurin Avenue, Fairview, Blackwood, Caerphilly, NP12 3NX£86,000 · 2006£161,000
- 47 Apollo Way, Blackwood, Caerphilly, NP12 1WB£54,950 · 2003£165,000
- 47 Ashville, Oakdale, Blackwood, Islwyn, Gwent, NP12 0JR£92,500 · 2004£182,000
- 47 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DF£161,000 · 2018£244,000
- 47 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HE£33,250 · 2001£154,000
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 →