St. Margarets Avenue - NP12 3NJ
Key Postcode Insights
NP12 3NJ is a residential postcode situated on St. Margarets Avenue, Cefn Fforest, Blackwood, NP12 with 46 addresses.
It ranks as the 1329th largest and 351st most expensive of the 1,371 postcodes in the NP12 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 46 properties: 46 houses.
- Ave. Sale Price
- £145,160
- 10 Year change
- up 82.9%
- Ave. Rental Price
- £899pcm
- 10 Year change
- up 78.3%
- Ave. £ per ft²
- £152/ft²
- Ave. Gross Yield
- 7.4%/year/yr
Key Postcode Insights
NP12 3NJ is a residential postcode situated on St. Margarets Avenue, Cefn Fforest, Blackwood, NP12 with 46 addresses.
It ranks as the 1329th largest and 351st most expensive of the 1,371 postcodes in the NP12 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 46 properties: 46 houses.
- Ave. Sale Price
- £145,160
- 10 Year change
- up 82.9%
- Ave. Rental Price
- £899pcm
- 10 Year change
- up 78.3%
- Ave. £ per ft²
- £152/ft²
- Ave. Gross Yield
- 7.4%/year/yr
Explore Propertiesin NP12 3NJ
- 7 St. Margarets Avenue
4 Bed Mid-century House
- 9 St. Margarets Avenue
3 Bed Mid-century House
- 11 St. Margarets Avenue
3 Bed Mid-century House
- 12 St. Margarets Avenue
3 Bed Mid-century House
- 13 St. Margarets Avenue
3 Bed Mid-century House
Sales Market Trends
The last sale in NP12 3NJ sold for £140,000 on 7th January 2025. Since then prices are up an average of 5.4%.
The current average value in the postcode is £145,160.
The NP12 3NJ Sales Market has increased by 82.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.4% | £145,160 |
| June 2025 | 3.7% | £140,439 |
| June 2024 | 0.2% | £135,369 |
| June 2023 | 4.4% | £135,138 |
| June 2022 | 17.4% | £129,487 |
| June 2021 | 11.2% | £110,307 |
| June 2020 | 4.4% | £99,191 |
| June 2019 | 9.8% | £95,026 |
| June 2018 | 5.6% | £86,515 |
| June 2017 | 3.2% | £81,926 |
| June 2016 | 1.3% | £79,361 |
| June 2015 | 2.5% | £78,334 |
| June 2014 | 6.6% | £76,441 |
| June 2013 | -3.5% | £71,718 |
| June 2012 | -0.5% | £74,319 |
| June 2011 | -1.8% | £74,714 |
| June 2010 | 0.9% | £76,087 |
| June 2009 | -14.9% | £75,435 |
| June 2008 | 1.9% | £88,643 |
| June 2007 | 0% | £87,008 |
Rental Market Trends
The current average rental value in the postcode is £899.
The NP12 3NJ Rental Market has increased by 78.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.1% | £899pcm |
| June 2025 | 5.5% | £881pcm |
| June 2024 | 5.7% | £835pcm |
| June 2023 | 6.5% | £790pcm |
| June 2022 | 14.8% | £742pcm |
| June 2021 | 10.5% | £646pcm |
| June 2020 | 4.8% | £584pcm |
| June 2019 | 3.6% | £558pcm |
| June 2018 | 2.9% | £538pcm |
| June 2017 | 3.7% | £523pcm |
| June 2016 | 3.8% | £504pcm |
| June 2015 | 0.5% | £486pcm |
| June 2014 | 1.9% | £483pcm |
| June 2013 | -1.7% | £474pcm |
| June 2012 | -1% | £483pcm |
| June 2011 | 2.5% | £487pcm |
| June 2010 | 2.9% | £476pcm |
| June 2009 | -4.4% | £462pcm |
| June 2008 | -0.2% | £483pcm |
| June 2007 | 0% | £484pcm |
Sales History
The last sale was on 7th January 2025 for £140,000 and since then the market in the area has increased by 5.4%. The postcode has had a total of 10 sales since 1995.
NP12 3NJ has seen 1 sale in the last three years and no sales in the last twelve months.
- Sold Jan 2025£140,000 | 4 Bed House22, St. Margarets Avenue, Blackwood, NP12 3NJ22, St. Margarets Avenue, Blackwood, NP12 3NJ
- Sold Oct 2020£80,000 | 3 Bed House52, St. Margarets Avenue, Blackwood, NP12 3NJ52, St. Margarets Avenue, Blackwood, NP12 3NJ
- Sold Jan 2015£80,000 | 3 Bed House14, St. Margarets Avenue, Blackwood, NP12 3NJ14, St. Margarets Avenue, Blackwood, NP12 3NJ
- Sold May 2014£75,000 | 3 Bed House26, St. Margarets Avenue, Blackwood, NP12 3NJ26, St. Margarets Avenue, Blackwood, NP12 3NJ
- Sold Apr 2013£75,000 | 3 Bed House34, St. Margarets Avenue, Blackwood, NP12 3NJ34, St. Margarets Avenue, Blackwood, NP12 3NJ
Nearby Postcodes
NP12 3NJ is the 1329th largest and the 351st most expensive postcode out of the 1,371 postcodes in the NP12 area.
- NP12 3NN, Cefn Fforest Avenue, Cefn Fforest, Blackwood, NP12NP12 3NN38 Addresses|71 m away
- NP12 3NG, Dylan Avenue, Cefn Fforest, Blackwood, NP12NP12 3NG40 Addresses|93 m away
- NP12 3NQ, Dylan Avenue, Cefn Fforest, Blackwood, NP12NP12 3NQ34 Addresses|102 m away
- NP12 3NF, Pwllglas Road, Cefn Fforest, Blackwood, NP12NP12 3NF20 Addresses|128 m away
- NP12 3ND, Bryngoleu Street, Cefn Fforest, Blackwood, NP12NP12 3ND23 Addresses|135 m away
Property Types
- 31 mid-century houses built between 1936 and 1979
- 1 house of an unknown age
- 5 early-century houses built between 1912 and 1935
- 9 other addresses of unknown type
- mid-century house (31)
- house (1)
- early-century house (5)
- Unknown (9)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 36 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (26)
- G (0)
- D (10)
- No EPC (10)
Top 3 Most Expensive Sales
- Sold Sep 2023£210,000 | 3 Bed House4, St. Margarets Avenue, Blackwood, NP12 3NH4, St. Margarets Avenue, Blackwood, NP12 3NH
- Sold Jan 2020£158,000 | 3 Bed House5, St. Margarets Avenue, Blackwood, NP12 3NH5, St. Margarets Avenue, Blackwood, NP12 3NH
- Sold Jan 2025£140,000 | 4 Bed House22, St. Margarets Avenue, Blackwood, NP12 3NJ22, St. Margarets Avenue, Blackwood, NP12 3NJ
Schools Nearby
Public Transport Nearby
The closest station to NP12 3NJ is Pengam station, which is 1.2 kilometres away.
- Pengam|1.2 km away
- Gilfach Fargoed|1.9 km away
- Hengoed|2.6 km away
- Bargoed|2.8 km away
