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
- 42 Cae Collen, Blackwood, Caerphilly, NP12 1FF£185,000 · 2026£199,000
- 54 Bedwellty Road, Cefn Fforest, Blackwood, Caerphilly, NP12 3HB£230,000 · 2026£225,000
- 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
- Fern Cottage, Bryn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EX£47,000 · 1997£212,000
- Fernbank, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3UA£47,000 · 1997£225,000
- Fernbank, The Rock, Blackwood, Caerphilly, NP12 0AD£45,000 · 1997£223,000
- Fernlea, The Avenue, Wyllie, Blackwood, Caerphilly, NP12 2HJ£450,000 · 2021£627,000
- Fernleigh, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3TX£41,000 · 1998£181,000
- Ffynnon Wen, Bedwellty, Blackwood, Caerphilly, NP12 0BQ£269,000 · 2017£437,000
- Ffynnon Wen, 47, Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LD£297,000 · 2021£410,000
- Field Grove, Park Terrace, Woodfieldside, Blackwood, Caerphilly, NP12 0PE£82,000 · 2003£238,000
- Firtree Cottage, 2, Hillside Terrace, Blackwood, Caerphilly, NP12 1PS£225,000 · 2023£259,000
- Foin Avon, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£102,000 · 2000£393,000
- Foundry House, Foundry Hill, Cwmgelli, Blackwood, Caerphilly, NP12 1BL£285,000 · 2017£455,000
- Fourwinds, Gordon Road, Blackwood, Caerphilly, NP12 1DS£208,000 · 2020£294,000
- Freestyle, Woodfieldside, Blackwood, Caerphilly, NP12 0PJ£194,950 · 2019£351,000
- Frondeg, Windy Ridge, Pontllanfraith, Blackwood, Caerphilly, NP12 2DR£415,000 · 2022£486,000
- Frontier Medical Products Ltd, Newbridge Road Industrial Estate, Pontllanfraith, Blackwood, Caerphilly, NP12 2YN£5,782,122 · 2022£7,468,000
- G P Body Repairs, Glan Yr Afon Lane, Fleur De Lis, Blackwood, Caerphilly, NP12 3WA£37,000 · 2005£88,000
- Garage 13, Ty Isha Terrace, Blackwood, Caerphilly, NP12 1ER£172,000 · 2021£254,000
- Gelli House, Cwmgelli, Blackwood, Islwyn, Gwent, NP12 1BX£402,000 · 2026£416,000
- Gelli Wen Farm, Alandale, Bedwellty Road, Markham, Blackwood, Caerphilly, NP12 0PP£120,000 · 2015£219,000
- Gelligoediog Bungalow, Manmoel, Blackwood, Caerphilly, NP12 0RH£350,000 · 2020£454,000
- Gellihaf Bungalow, The Rock, Blackwood, Caerphilly, NP12 0AD£235,000 · 2010£420,000
- Gellihaf House, Gellihaf, Blackwood, Caerphilly, NP12 2QE£525,000 · 2017£727,000
- Gelynos Cottage, New Road, Argoed, Blackwood, Caerphilly, NP12 0AS£107,000 · 2006£176,000
- Geminis, 16, Banalog Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SF£180,000 · 2014£347,000
- Gernant, Cwmgelli, Blackwood, Caerphilly, NP12 1BQ£216,500 · 2017£353,000
- Gilwern House, Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2AX£320,000 · 2022£444,000
- Glabsin House, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£295,000 · 2018£485,000
- Glan Yr Afon Lodge, William Street, Hollybush, Blackwood, Caerphilly, NP12 0SL£290,000 · 2021£402,000
- Glan-Y-Nant, 1, Cwmnantyrodyn, Pontllanfraith, Blackwood, Caerphilly, NP12 2DU£430,000 · 2017£837,000
- Glanhowy House, The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£314,000 · 2014£493,000
- Glanhowy, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£360,000 · 2022£450,000
- Glanhowy, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£92,000 · 2004£215,000
- Glanmont, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£22,000 · 1999£128,000
- Glasfryn, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£124,950 · 2017£218,000
- Glen View, Blackwood Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2BW£70,000 · 1998£299,000
- Glen View, Nydfa Road, Pengam, Blackwood, Caerphilly, NP12 3SX£43,950 · 2000£184,000
- Glencross, Penmaen Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2DN£81,000 · 2001£294,000
- Glenrise, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£159,000 · 2021£213,000
- Glenroy, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3TX£148,500 · 2010£273,000
- Glenside, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£350,000 · 2024£376,000
- Glenview, 2, Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PR£20,000 · 2002£56,000
- Glenview, Flat 2, Abernant Road, Markham, Blackwood, Caerphilly, NP12 0PR£20,000 · 2002£56,000
- Glyncliffe Bungalow, Woodfieldside, Blackwood, Caerphilly, NP12 0PJ£180,000 · 2015£309,000
- Glyndwr House, Occupation Road, Cwmpenmaen, Blackwood, Caerphilly, NP12 0EQ£360,000 · 2022£462,000
- Gorseland, Flat 1, Cliff Road, Blackwood, Caerphilly, NP12 0NT£235,000 · 2024£306,000
- Graig View, 1, Highland Terrace, Blackwood, Caerphilly, NP12 1QN£175,000 · 2025£124,000
- Graig View, 2, Highland Terrace, Blackwood, Caerphilly, NP12 1QN£125,000 · 2025£140,000
- Graig View, 3, Highland Terrace, Blackwood, Caerphilly, NP12 1QN£98,000 · 2007£190,000
- Graig View, 4, Highland Terrace, Bedwellty, Blackwood, Caerphilly, NP12 1QN£41,950 · 2002£168,000
- Greenacres, St Davids Road, Pengam, Blackwood, Caerphilly, NP12 3RA£280,000 · 2008£436,000
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 →