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
- 17 Penmaen Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2DL£144,000 · 2024£165,000
- 17 Pentwyn Avenue, Blackwood, Caerphilly, NP12 1HS£229,950 · 2008£377,000
- 17 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JS£50,000 · 2017£85,000
- 17 Penybryn Terrace, The Bryn, Blackwood, Caerphilly, NP12 2EZ£94,000 · 2020£151,000
- 17 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AU£39,950 · 2001£169,000
- 17 Penywaun Close, Oakdale, Blackwood, Caerphilly, NP12 0BL£182,000 · 2012£344,000
- 17 Pinewood Court, Pontllanfraith, Blackwood, Caerphilly, NP12 2PA£36,000 · 1998£223,000
- 17 Plas Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3RJ£198,000 · 2019£303,000
- 17 Pleasant Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2GQ£149,400 · 2006£308,000
- 17 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£205,000 · 2015£355,000
- 17 Pwllglas Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3NE£140,000 · 2024£162,000
- 17 Raglan Close, Blackwood, Caerphilly, NP12 1GA£184,500 · 2022£207,000
- 17 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£285,000 · 2021£385,000
- 17 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£268,995 · 2020£370,000
- 17 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£64,000 · 2002£228,000
- 17 Rising Sun Close, Oakdale, Blackwood, Caerphilly, NP12 0JB£151,000 · 2022£178,000
- 17 Rushmere Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EG£94,000 · 2014£190,000
- 17 Salway Avenue, Pengam, Blackwood, Caerphilly, NP12 3TH£145,150 · 2022£181,000
- 17 Shannon Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FW£130,000 · 2006£230,000
- 17 Sir Ivor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£137,000 · 2026£149,000
- 17 Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£80,000 · 2018£137,000
- 17 Solent Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FT£134,300 · 2006£228,000
- 17 St Andrews Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ET£440,000 · 2023£468,000
- 17 St Davids Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FE£230,000 · 2021£312,000
- 17 St Maelog Close, Libanus Fields, Blackwood, Caerphilly, NP12 2FD£54,250 · 1998£201,000
- 17 St Marys Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2NR£105,000 · 2007£190,000
- 17 St Peters Drive, Libanus Fields, Blackwood, Caerphilly, NP12 2ER£38,995 · 2002£153,000
- 17 St Rhidian Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FF£134,950 · 2017£220,000
- 17 Stanley Street, Blackwood, Caerphilly, NP12 1PT£34,000 · 1996£167,000
- 17 Swallow Drive, Fleur De Lis, Blackwood, Caerphilly, NP12 3SN£54,000 · 2021£116,000
- 17 Syr Dafydd Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LA£80,000 · 2017£143,000
- 17 The Elms, Oakdale, Blackwood, Caerphilly, NP12 0EP£83,950 · 2000£311,000
- 17 The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£330,000 · 2021£419,000
- 17 The Grove, Pontllanfraith, Blackwood, Caerphilly, NP12 2EQ£78,500 · 2014£158,000
- 17 The Oaks, Oakdale, Blackwood, Caerphilly, NP12 0EN£270,000 · 2006£447,000
- 17 The Spinney, The Bryn, Blackwood, Caerphilly, NP12 2PJ£43,000 · 1998£208,000
- 17 The Twyn, Fleur De Lis, Blackwood, Caerphilly, NP12 3UL£49,000 · 1996£261,000
- 17 The Villas, Markham, Blackwood, Caerphilly, NP12 0PU£82,000 · 2020£156,000
- 17 Tir Berllan, Oakdale, Blackwood, Caerphilly, NP12 0GZ£187,500 · 2015£319,000
- 17 Tirfilkins Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2LY£250,000 · 2018£407,000
- 17 Twyn Gardens, Cefn Fforest, Blackwood, Caerphilly, NP12 3LU£104,500 · 2019£161,000
- 17 Twynyffald Road, Blackwood, Caerphilly, NP12 3HD£88,500 · 2011£173,000
- 17 Tynycoed Crescent, Cefn Fforest, Blackwood, Caerphilly, NP12 3LL£43,000 · 1999£180,000
- 17 Vancouver Drive, Penmaen, Blackwood, Caerphilly, NP12 0UQ£203,500 · 2022£254,000
- 17 Victoria Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3UG£155,000 · 2021£200,000
- 17 Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RS£89,500 · 2014£155,000
- 17 Waun Goch Road, Oakdale, Blackwood, Islwyn, Gwent, NP12 0LJ£64,500 · 2001£248,000
- 17 Waun Llwyn Crescent, Blackwood, Caerphilly, NP12 1WQ£115,000 · 2022£150,000
- 17 William Street, Blackwood, Caerphilly, NP12 1NX£32,000 · 2001£147,000
- 17 Woodfield Park Crescent, Woodfieldside, Blackwood, Caerphilly, NP12 0BX£101,000 · 2013£171,000
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 →