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
- 9A, High Street, Pengam, Blackwood, Caerphilly, NP12 3SY£21,840 · 1997£131,000
- 9A, Railway View, Pontllanfraith, Blackwood, Caerphilly, NP12 2DW£34,000 · 2017£66,000
- A 1 Trade Sales, Belmont Garage, Newbridge Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LB£300,000 · 2023£400,000
- Adforton, Llanarth Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2LG£190,000 · 2025£214,000
- Adref, Bryn Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2EY£210,000 · 2020£292,000
- Ael-Y-Bryn, Halls Crossing, Woodfieldside, Blackwood, Caerphilly, NP12 0PF£230,000 · 2018£354,000
- Aeron, 6, Pentwyn Road, Blackwood, Caerphilly, NP12 1HN£100,000 · 2017£216,000
- Afonlais, Pengam, Blackwood, Caerphilly, NP12 3SS£90,000 · 2023£116,000
- Aldi Foodstore Ltd, High Street, Blackwood, Caerphilly, NP12 1BE£780,000 · 2017£1,519,000
- Amberley, 6, Cherry Trees, Markham, Blackwood, Caerphilly, NP12 0QW£430,000 · 2026£467,000
- Ambulance Hall, Gordon Road, Blackwood, Caerphilly, NP12 1DG£30,000 · 2019£51,000
- Amphion House, Nydfa Road, Pengam, Blackwood, Caerphilly, NP12 3SX£125,000 · 2021£166,000
- Argoed Primary School, Woodville Terrace, Argoed, Blackwood, Caerphilly, NP12 0AP£74,000 · 2010£143,000
- Argoed Uchaf Farm, Long Barn, Sunnyview, Argoed, Blackwood, Caerphilly, NP12 0AJ£740,000 · 2022£513,000
- Argoed Uchaf Farm, Lot 3, Sunnyview, Argoed, Blackwood, Caerphilly, NP12 0AJ£80,000 · 2023£104,000
- Argoed Uchaf Farm, Lot 4, Sunnyview, Argoed, Blackwood, Caerphilly, NP12 0AJ£62,700 · 2024£82,000
- Argoed Uchaf Farm, Ysgubor Maenderw, Sunnyview, Argoed, Blackwood, Caerphilly, NP12 0AJ£485,000 · 2020£663,000
- Arkhill House, Nydfa Road, Pengam, Blackwood, Caerphilly, NP12 3SX£113,000 · 2006£183,000
- Arvon Villa, Sir Ivor Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£180,000 · 2024£190,000
- Arvon Villa, Sir Ivors Road, Pontllanfraith, Blackwood, Caerphilly, NP12 2JH£125,000 · 2019£158,000
- Ash View, Glanhowy Road, Wyllie, Blackwood, Caerphilly, NP12 2HN£155,000 · 2007£282,000
- Ashleigh House, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3TX£175,000 · 2021£235,000
- Ashley House, Commercial Street, Pontllanfraith, Blackwood, Caerphilly, NP12 2JZ£158,000 · 2016£280,000
- Ashley House, The Rhiw, Blackwood, Caerphilly, NP12 0EF£65,000 · 1997£295,000
- Ashtead, New Road, Argoed, Blackwood, Caerphilly, NP12 0HF£91,000 · 2002£286,000
- Ashton, Pentwyn Road, Blackwood, Caerphilly, NP12 1HN£167,000 · 2018£261,000
- Avalon, Thorncombe Road, Blackwood, Caerphilly, NP12 1AT£219,995 · 2021£289,000
- Avondale, The Bryn, Pontllanfraith, Blackwood, Caerphilly, NP12 2HD£65,000 · 2002£241,000
- Awelfryn, 4, Valley View, Pontllanfraith, Blackwood, Caerphilly, NP12 2EE£190,000 · 2018£293,000
- Barn Field Cottage, Argoed, Blackwood, Caerphilly, NP12 0JA£50,000 · 2002£211,000
- Barnfield Cottage, Argoed, Blackwood, Caerphilly, NP12 0JA£650,000 · 2022£642,000
- Bay Tree Cottage, Lon Pennant, Cwmgelli, Blackwood, Caerphilly, NP12 1BR£178,500 · 2014£344,000
- Bay Tree House, 14, Coed Y Bryn, Blackwood, Caerphilly, NP12 1HA£369,000 · 2022£432,000
- Beech Tree Bungalow, Libanus Road, Blackwood, Caerphilly, NP12 1EQ£185,000 · 2016£311,000
- Beeches, Sunnybank Road, Blackwood, Caerphilly, NP12 1HT£185,000 · 2015£324,000
- Beggars Roost, Woodfieldside, Blackwood, Caerphilly, NP12 0PJ£365,000 · 2017£578,000
- Belmont, Commercial Street, Pengam, Blackwood, Caerphilly, NP12 3TX£146,000 · 2010£269,000
- Berwyn, Crown Lane, The Bryn, Blackwood, Caerphilly, NP12 2HA£260,000 · 2026£273,000
- Bethany House, Brynglas Avenue, Pontllanfraith, Blackwood, Caerphilly, NP12 2DB£70,000 · 2021£109,000
- Bilson House, New Road, Argoed, Blackwood, Caerphilly, NP12 0HF£115,000 · 2017£191,000
- Birchgrove, 3, The Glade, Wyllie, Blackwood, Caerphilly, NP12 2HB£335,000 · 2019£513,000
- Birchwood, New Road, Argoed, Blackwood, Caerphilly, NP12 0AR£164,950 · 2022£192,000
- Blackthorn Farm, The Rhiw, Blackwood, Caerphilly, NP12 0EF£51,000 · 2017£97,000
- Blackwood Atc, Lewis Lewis Avenue, Blackwood, Caerphilly, NP12 1JG£42,500 · 2025£63,000
- Blackwood Business Centre, 85, High Street, Blackwood, Caerphilly, NP12 1ZA£198,000 · 2024£1,370,000
- Bliss, 161, High Street, Blackwood, Caerphilly, NP12 1AA£200,000 · 2023£224,000
- Block C, Unit 15-19, Newbridge Road Industrial Estate, Pontllanfraith, Blackwood, Caerphilly, NP12 2XF£625,000 · 2016£1,095,000
- Block D, Unit 4, Newbridge Road Industrial Estate, Pontllanfraith, Blackwood, Caerphilly, NP12 2AN£1,075,000 · 2023£1,442,000
- Block G, Unit 11, Penmaen Industrial Estate, Pontllanfraith, Blackwood, Caerphilly, NP12 2DQ£282,000 · 2018£324,000
- Bluebell Bungalow, Upper Gelligroes, Blackwood, Caerphilly, NP12 2HT£150,000 · 2016£268,000
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 →