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
311
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
- Penrhiw House, Penrhiw Nursery, Penrhiw Terrace, Oakdale, Blackwood, Caerphilly, NP12 0JH£341,458 · 2018£487,000
- Penrhiwbengi Farm, Syr Dafydd Avenue, Oakdale, Blackwood, Caerphilly, NP12 0LA£360,000 · 2018£663,000
- Pentre House, Mynyddislwyn, Blackwood, Caerphilly, NP12 2BG£385,000 · 2006£591,000
- Pentwyn House, South View Road, Blackwood, Caerphilly, NP12 1HR£267,000 · 2021£358,000
- Pentwyn Lodge, Pentwyn Avenue, Blackwood, Caerphilly, NP12 1HS£285,000 · 2011£492,000
- Penybryn, Gellihaf Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3SG£137,000 · 2007£226,000
- Penyfan Cottage, Manmoel, Blackwood, Caerphilly, NP12 0HZ£147,000 · 1999£440,000
- Penygarn House, Bryn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2BU£200,000 · 2018£349,000
- Perry's Yard, Woodfield Street, Woodfieldside, Blackwood, Caerphilly, NP12 0BT£190,000 · 2021£296,000
- Pine Tree, Foundry Hill, Cwmgelli, Blackwood, Caerphilly, NP12 1BL£220,000 · 2017£361,000
- Plas Cwrt, 1, Plas Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3PY£320,000 · 2019£488,000
- Plas Cwrt, 3, Plas Road, Fleur De Lis, Blackwood, Caerphilly, NP12 3PY£269,000 · 2007£442,000
- Plas House, Rhosnewydd Terrace, Blackwood, Caerphilly, NP12 1DT£395,000 · 2016£598,000
- Plas View, 2, Gordon Road, Blackwood, Caerphilly, NP12 1DU£27,000 · 1998£151,000
- Plot 65, Lon Rhymni, Gellihaf, Blackwood, Caerphilly, NP12 2QZ£61,449 · 2018£117,000
- Plough Inn, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JJ£110,000 · 2009£248,000
- Pont Gwaith Barn, Pont Gwaith Yr Haearn Farm Lane, Hollybush, Blackwood, Caerphilly, NP12 0RP£125,000 · 2016£245,000
- Pont Gwaith Yr Haearn Farm, Pont Gwaith Yr Haearn Farm Lane, Hollybush, Blackwood, Caerphilly, NP12 0RP£600,000 · 2020£956,000
- Pontllanfraith Ex-Servicemens Club, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JY£100,000 · 2025£141,000
- Pontllanfraith Youth Centre, Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£60,000 · 2021£93,000
- Post Office Buildings, 5, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3SS£148,000 · 2024£162,000
- Pre Loved Furniture, 113, High Street, Blackwood, Caerphilly, NP12 1AD£220,000 · 2008£367,000
- Preswylfa, New Road, Argoed, Blackwood, Caerphilly, NP12 0AS£80,000 · 2016£143,000
- Quaintways, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£185,000 · 2015£345,000
- Quinton, The Fairways, Blackwood, Caerphilly, NP12 1HX£314,000 · 2004£529,000
- Quoits Cottage, High Street, Argoed, Blackwood, Caerphilly, NP12 0HQ£145,000 · 1999£367,000
- R T J News And Wines Ltd, 130, High Street, Blackwood, Caerphilly, NP12 1AF£90,000 · 2016£155,000
- Railway Cottages, 2, Railway Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SW£90,000 · 2019£158,000
- Railway Cottages, 3, Railway Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SW£54,950 · 2012£134,000
- Railway Cottages, 4, Railway Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SW£80,000 · 2018£126,000
- Railway Cottages, 6, Railway Terrace, Hollybush, Blackwood, Caerphilly, NP12 0SW£45,000 · 2013£128,000
- Railway Court, 1, Heolddu Road, Gelligroes, Blackwood, Caerphilly, NP12 2HS£330,000 · 2021£425,000
- Red Cross Bungalow, Fleur De Lis, Blackwood, Caerphilly, NP12 3RN£150,000 · 2007£278,000
- Red Lion Inn, High Street, Blackwood, Caerphilly, NP12 1BB£200,000 · 2018£366,000
- Redesdale, Pengam, Blackwood, Caerphilly, NP12 3SS£165,000 · 2022£211,000
- Rees House, The Rock, Blackwood, Caerphilly, NP12 1DA£155,000 · 1999£569,000
- Rhiwfelin, Manmoel Crossing, Argoed, Blackwood, Caerphilly, NP12 0AX£69,000 · 1998£302,000
- Rhoswen Farm, 1, Argoed, Blackwood, Caerphilly, NP12 0BA£277,000 · 2018£432,000
- Rhoswen Farm, 2, Argoed, Blackwood, Caerphilly, NP12 0BA£320,000 · 2008£443,000
- Rhoswen House, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£175,000 · 2012£345,000
- Rhoswen House, The Rock, Blackwood, Caerphilly, NP12 0AA£11,655 · 2001£93,000
- Rhosynog, New Road, Argoed, Blackwood, Caerphilly, NP12 0AS£117,000 · 2024£133,000
- Rhymney Villa, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3TX£167,000 · 2016£270,000
- Riverside Bungalow, Pantycelyn, Pontllanfraith, Blackwood, Islwyn, Gwent, NP12 2JJ£67,500 · 1995£329,000
- Riverside Works, High Street, Pengam, Blackwood, Caerphilly, NP12 3XD£225,000 · 2017£427,000
- Riverwood Bungalow, High Street, Argoed, Blackwood, Caerphilly, NP12 0HG£90,000 · 2002£285,000
- Rock Cottage, St Davids Avenue, Woodfieldside, Blackwood, Caerphilly, NP12 0PD£219,950 · 2019£333,000
- Rock House, 3, Highland Terrace, Blackwood, Caerphilly, NP12 1QL£335,000 · 2024£370,000
- Rockleigh, Warne Street, Fleur De Lis, Blackwood, Caerphilly, NP12 3RS£58,950 · 1996£276,000
- Rose Bungalow, Greenfield Terrace, Argoed, Blackwood, Caerphilly, NP12 0HL£85,000 · 2000£325,000
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.
311 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 311 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 →