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
- 20 Gordon Road, Blackwood, Caerphilly, NP12 1DG£155,000 · 2022£191,000
- 20 Greenwood Road, Blackwood, Caerphilly, NP12 1EY£125,000 · 2007£220,000
- 20 Groveside Road, Oakdale, Blackwood, Caerphilly, NP12 0DN£130,000 · 2021£169,000
- 20 Gwent Court, Fleur De Lis, Blackwood, Caerphilly, NP12 3UN£24,950 · 1997£131,000
- 20 Hall Street, Blackwood, Caerphilly, NP12 1NY£172,500 · 2008£333,000
- 20 Highfield Crescent, Pontllanfraith, Blackwood, Caerphilly, NP12 2ED£140,000 · 2006£237,000
- 20 Highfield Road, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2EB£55,000 · 1995£269,000
- 20 Highmead, Pontllanfraith, Blackwood, Caerphilly, NP12 2PE£85,000 · 2007£170,000
- 20 Hillside Avenue, Markham, Blackwood, Caerphilly, NP12 0PT£45,000 · 2013£125,000
- 20 Islwyn Terrace, Pontllanfraith, Blackwood, Caerphilly, NP12 2LQ£138,000 · 2026£159,000
- 20 Ivor Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RF£135,000 · 2014£242,000
- 20 Lewis Street, Blackwood, Caerphilly, NP12 1PX£35,000 · 1999£161,000
- 20 Lilian Road, Blackwood, Caerphilly, NP12 1DN£137,000 · 2007£250,000
- 20 Llwyn Coed, Blackwood, Caerphilly, NP12 1FT£39,995 · 1999£159,000
- 20 Llwynbach Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SH£100,000 · 2010£204,000
- 20 Llwynon Road, Oakdale, Blackwood, Caerphilly, NP12 0LX£109,950 · 2021£165,000
- 20 Llys Cyncoed, Oakdale, Blackwood, Caerphilly, NP12 0NQ£300,000 · 2025£333,000
- 20 Lon Pennant, Cwmgelli, Blackwood, Caerphilly, NP12 1EL£277,000 · 2021£384,000
- 20 Lon Rhymni, Gellihaf, Blackwood, Caerphilly, NP12 2QZ£61,449 · 2019£132,000
- 20 Lon Tredegar, Gellihaf, Blackwood, Caerphilly, NP12 2RD£207,995 · 2019£287,000
- 20 Maes-Y-Garn Road, Oakdale, Blackwood, Caerphilly, NP12 0NA£125,000 · 2018£200,000
- 20 Meadow Close, Pengam, Blackwood, Caerphilly, NP12 3RB£5,000 · 2019£217,000
- 20 Meadow Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AQ£118,950 · 2007£204,000
- 20 Mersey Close, Pontllanfraith, Blackwood, Caerphilly, NP12 2FZ£138,000 · 2020£203,000
- 20 Millbrook Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AL£69,000 · 2005£193,000
- 20 Montclaire Avenue, Blackwood, Caerphilly, NP12 1EE£60,000 · 2002£202,000
- 20 Newfoundland Way, Blackwood, Caerphilly, NP12 1FS£113,500 · 2017£181,000
- 20 Newport Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JW£58,500 · 2009£160,000
- 20 Oakdale Terrace, Penmaen, Blackwood, Caerphilly, NP12 0DF£37,000 · 1999£168,000
- 20 Overdene, Pontllanfraith, Blackwood, Caerphilly, NP12 2JS£71,000 · 2010£170,000
- 20 Pantycefn Road, Markham, Blackwood, Caerphilly, NP12 0QD£225,000 · 2024£286,000
- 20 Parc Bryn, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2RA£45,000 · 1995£208,000
- 20 Parc Plas, Blackwood, Caerphilly, NP12 1SJ£67,950 · 1996£298,000
- 20 Park Lane, Oakdale, Blackwood, Caerphilly, NP12 0NS£222,995 · 2010£359,000
- 20 Pembrey Gardens, Pontllanfraith, Blackwood, Caerphilly, NP12 2LR£85,000 · 2007£180,000
- 20 Pen Y Cwarel Road, Wyllie, Blackwood, Caerphilly, NP12 2HP£81,500 · 2012£154,000
- 20 Pen Y Fan Way, Oakdale, Blackwood, Caerphilly, NP12 0JE£116,000 · 2004£260,000
- 20 Pen Y Groes, Oakdale, Blackwood, Caerphilly, NP12 0ER£89,950 · 2001£306,000
- 20 Pengam Street, Glan Y Nant, Blackwood, Caerphilly, NP12 3XJ£125,000 · 2020£191,000
- 20 Penmaen Avenue, Oakdale, Blackwood, Caerphilly, NP12 0JZ£102,500 · 2021£146,000
- 20 Penybryn Avenue, Cefn Fforest, Blackwood, Caerphilly, NP12 3JS£82,000 · 2005£173,000
- 20 Penylan Road, Argoed, Blackwood, Caerphilly, NP12 0AY£175,000 · 2025£205,000
- 20 Penywerlod Road, Markham, Blackwood, Caerphilly, NP12 0PY£87,500 · 2015£162,000
- 20 Plas Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3RJ£210,000 · 2003£446,000
- 20 Priorsgate, Oakdale, Blackwood, Caerphilly, NP12 0EL£95,000 · 2000£360,000
- 20 Rhodfa Glascoed, Blackwood, Caerphilly, NP12 1GW£93,950 · 2000£326,000
- 20 Rhodfa Sirhywi, Gellihaf, Blackwood, Caerphilly, NP12 2RE£209,995 · 2020£269,000
- 20 Rhos Y Dderwen, Blackwood, Caerphilly, NP12 1HB£230,000 · 2025£259,000
- 20 Rushmere Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EG£165,000 · 2022£203,000
- 20 School Way, Blackwood, Caerphilly, NP12 1FH£170,000 · 2026£252,000
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 →