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
- 14 Syr Dafydd Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LA£175,000 · 2025£193,000
- 14 Tamar Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FU£139,950 · 2017£230,000
- 14 The Avenue, Wyllie, Blackwood, Caerphilly, NP12 2HJ£150,000 · 2019£229,000
- 14 The Elms, Oakdale, Blackwood, Caerphilly, NP12 0EP£254,000 · 2017£406,000
- 14 The Oaks, Oakdale, Blackwood, Caerphilly, NP12 0EN£83,000 · 1997£455,000
- 14 The Twyn, Fleur De Lis, Blackwood, Caerphilly, NP12 3UL£133,000 · 2008£238,000
- 14 The Villas, Markham, Blackwood, Caerphilly, NP12 0PU£30,000 · 1997£165,000
- 14 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£320,000 · 2022£365,000
- 14 Tirfilkins Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2LY£240,000 · 2024£286,000
- 14 Underwood Road, Oakdale, Blackwood, Caerphilly, NP12 0DW£140,000 · 2018£232,000
- 14 Upland Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NF£92,000 · 2014£210,000
- 14 Vancouver Drive, Penmaen, Blackwood, Caerphilly, NP12 0UQ£175,000 · 2007£294,000
- 14 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RS£94,950 · 2007£158,000
- 14 Waun Llwyn Crescent, Blackwood, Caerphilly, NP12 1WQ£99,000 · 2007£169,000
- 14 West View Crescent, Oakdale, Blackwood, Caerphilly, NP12 0JG£50,000 · 2000£210,000
- 14 Woodfield Park Crescent, Woodfieldside, Blackwood, Caerphilly, NP12 0BX£100,000 · 2016£162,000
- 14 Woodfieldside Road, Gellihaf, Blackwood, Caerphilly, NP12 2RG£283,995 · 2022£322,000
- 14 Woodville Terrace, Argoed, Blackwood, Caerphilly, NP12 0AP£92,000 · 2019£137,000
- 14 Y Cedrwydden, Blackwood, Caerphilly, NP12 1FD£115,000 · 2017£203,000
- 14 Yew Grove, Woodfieldside, Blackwood, Caerphilly, NP12 0DD£68,500 · 2002£224,000
- 14 Ynys Y Coed, Oakdale, Blackwood, Caerphilly, NP12 0EG£167,000 · 2016£292,000
- 140 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LQ£139,500 · 2024£176,000
- 141 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DQ£140,000 · 2024£157,000
- 141 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HA£175,000 · 2007£306,000
- 141 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LH£112,500 · 2020£177,000
- 142 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LQ£36,000 · 2000£163,000
- 143 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DQ£195,000 · 2006£277,000
- 143 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HA£169,250 · 2011£321,000
- 144 - 146, Unit B, High Street, Blackwood, Caerphilly, NP12 1AH£250,000 · 2004£481,000
- 145 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DQ£150,000 · 2022£184,000
- 145 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HA£185,000 · 2007£313,000
- 145 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LH£122,500 · 2007£196,000
- 147 Beaumaris Way, Grove Park, Blackwood, Caerphilly, NP12 1DQ£92,500 · 2017£163,000
- 147 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HA£320,000 · 2026£327,000
- 147 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LH£154,000 · 2021£203,000
- 148 High Street, Blackwood, Caerphilly, NP12 1YZ£100,000 · 2025—
- 148 Pencoed Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3LQ£75,000 · 2018£138,000
- 149 High Street, Blackwood, Caerphilly, NP12 1AB£325,000 · 2015—
- 14A, Glendale Gardens, Fleur De Lis, Blackwood, Caerphilly, NP12 3TR£200,000 · 2018£325,000
- 14B, Glendale Gardens, Fleur De Lis, Blackwood, Caerphilly, NP12 3TR£166,000 · 2007£257,000
- 14C, Glendale Gardens, Fleur De Lis, Blackwood, Caerphilly, NP12 3TR£152,000 · 2015£288,000
- 14D, Glendale Gardens, Fleur De Lis, Blackwood, Caerphilly, NP12 3TR£249,000 · 2020£364,000
- 15 Albion Terrace, Blackwood, Caerphilly, NP12 1DH£70,000 · 2015£150,000
- 15 Alder Rise, Pontllanfraith, Blackwood, Caerphilly, NP12 2NB£87,000 · 2018£187,000
- 15 Aneurin Avenue, Fairview, Blackwood, Caerphilly, NP12 3NX£108,000 · 2022£147,000
- 15 Ashgrove, Blackwood, Islwyn, Gwent, NP12 1WR£83,000 · 1995£374,000
- 15 Beech Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2EP£73,000 · 2019£163,000
- 15 Berllanllwyd Avenue, Markham, Blackwood, Caerphilly, NP12 0QQ£90,000 · 2020£151,000
- 15 Birchwood Close, Blackwood, Caerphilly, NP12 1WX£370,000 · 2019£576,000
- 15 Blacksmith Close, Oakdale, Blackwood, Caerphilly, NP12 0BG£300,000 · 2022£348,000
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 →