Derwendeg Avenue - NP12 3LW
Key Postcode Insights
NP12 3LW is a residential postcode situated on Derwendeg Avenue, Cefn Fforest, Blackwood, NP12 with 30 addresses.
It ranks as the 1077th largest and 491st 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 30 properties: 30 houses.
- Ave. Sale Price
- £156,459
- 10 Year change
- up 80.1%
- Ave. Rental Price
- £952pcm
- 10 Year change
- up 75.5%
- Ave. £ per ft²
- £184/ft²
- Ave. Gross Yield
- 7.3%/year/yr
Key Postcode Insights
NP12 3LW is a residential postcode situated on Derwendeg Avenue, Cefn Fforest, Blackwood, NP12 with 30 addresses.
It ranks as the 1077th largest and 491st 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 30 properties: 30 houses.
- Ave. Sale Price
- £156,459
- 10 Year change
- up 80.1%
- Ave. Rental Price
- £952pcm
- 10 Year change
- up 75.5%
- Ave. £ per ft²
- £184/ft²
- Ave. Gross Yield
- 7.3%/year/yr
Explore Propertiesin NP12 3LW
- 1 Derwendeg Avenue
3 Bed Mid-century House
- 2 Derwendeg Avenue
3 Bed Early-century House
- 3 Derwendeg Avenue
Unknown
- 4 Derwendeg Avenue
Unknown
- 5 Derwendeg Avenue
Unknown
Sales Market Trends
The last sale in NP12 3LW sold for £148,000 on 15th August 2025. Since then prices are up an average of 4.4%.
The current average value in the postcode is £156,459.
The NP12 3LW Sales Market has increased by 80.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3% | £156,459 |
| June 2025 | 3.4% | £151,879 |
| June 2024 | 0.1% | £146,917 |
| June 2023 | 4.4% | £146,810 |
| June 2022 | 17.2% | £140,562 |
| June 2021 | 10.8% | £119,971 |
| June 2020 | 4.4% | £108,307 |
| June 2019 | 9.6% | £103,730 |
| June 2018 | 5.4% | £94,678 |
| June 2017 | 3.3% | £89,794 |
| June 2016 | 1.1% | £86,894 |
| June 2015 | 2.5% | £85,913 |
| June 2014 | 6.6% | £83,814 |
| June 2013 | -3.4% | £78,589 |
| June 2012 | -0.2% | £81,374 |
| June 2011 | -1.6% | £81,552 |
| June 2010 | 1.2% | £82,844 |
| June 2009 | -14.5% | £81,825 |
| June 2008 | 2.2% | £95,700 |
| June 2007 | 0% | £93,669 |
Rental Market Trends
The current average rental value in the postcode is £952.
The NP12 3LW Rental Market has increased by 75.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.7% | £952pcm |
| June 2025 | 5.1% | £936pcm |
| June 2024 | 5.6% | £890pcm |
| June 2023 | 6.6% | £843pcm |
| June 2022 | 14.6% | £791pcm |
| June 2021 | 10.1% | £690pcm |
| June 2020 | 4.8% | £627pcm |
| June 2019 | 3.4% | £598pcm |
| June 2018 | 2.7% | £579pcm |
| June 2017 | 3.8% | £563pcm |
| June 2016 | 3.7% | £542pcm |
| June 2015 | 0.5% | £523pcm |
| June 2014 | 1.9% | £521pcm |
| June 2013 | -1.6% | £511pcm |
| June 2012 | -0.7% | £519pcm |
| June 2011 | 2.7% | £523pcm |
| June 2010 | 3.3% | £509pcm |
| June 2009 | -3.9% | £492pcm |
| June 2008 | 0% | £513pcm |
| June 2007 | 0% | £512pcm |
Sales History
The last sale was on 15th August 2025 for £148,000 and since then the market in the area has increased by 4.4%. The postcode has had a total of 19 sales since 1995.
NP12 3LW has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Aug 2025£148,000 | 3 Bed House16, Derwendeg Avenue, Blackwood, NP12 3LW16, Derwendeg Avenue, Blackwood, NP12 3LW
- Sold Jul 2025£150,000 | 3 Bed House36, Derwendeg Avenue, Blackwood, NP12 3LW36, Derwendeg Avenue, Blackwood, NP12 3LW
- Sold Feb 2023£146,000 | 3 Bed House44, Derwendeg Avenue, Blackwood, NP12 3LW44, Derwendeg Avenue, Blackwood, NP12 3LW
- Sold Dec 2020£139,950 | 3 Bed House28, Derwendeg Avenue, Blackwood, NP12 3LW28, Derwendeg Avenue, Blackwood, NP12 3LW
- Sold Jun 2017£78,500 | 3 Bed House2, Derwendeg Avenue, Blackwood, NP12 3LW2, Derwendeg Avenue, Blackwood, NP12 3LW
Nearby Postcodes
NP12 3LW is the 1077th largest and the 491st most expensive postcode out of the 1,371 postcodes in the NP12 area.
- NP12 3LD, Pencoed Avenue, Cefn Fforest, Blackwood, NP12NP12 3LD44 Addresses|60 m away
- NP12 3JY, Craiglas Crescent, Cefn Fforest, Blackwood, NP12NP12 3JY22 Addresses|72 m away
- NP12 3LA, Waunborfa Road, Cefn Fforest, Blackwood, NP12NP12 3LA36 Addresses|93 m away
- NP12 3AE, Hillcrest Close, Cefn Fforest, Blackwood, NP12NP12 3AE16 Addresses|115 m away
- NP12 3JZ, Cefn Fforest Avenue, Cefn Fforest, Blackwood, NP12NP12 3JZ22 Addresses|115 m away
Property Types
- 2 period houses built between 1800 and 1911
- 7 mid-century houses built between 1936 and 1979
- 6 early-century houses built between 1912 and 1935
- 15 other addresses of unknown type
- period house (2)
- mid-century house (7)
- early-century house (6)
- Unknown (15)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 15 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (0)
- F (0)
- C (5)
- G (0)
- D (9)
- No EPC (15)
Top 3 Most Expensive Sales
- Sold Oct 2025£184,000 | 3 Bed House76, Derwendeg Avenue, Blackwood, NP12 3LN76, Derwendeg Avenue, Blackwood, NP12 3LN
- Sold Sep 2022£179,000 | 3 Bed House66, Derwendeg Avenue, Blackwood, NP12 3LN66, Derwendeg Avenue, Blackwood, NP12 3LN
- Sold Apr 2021£150,000 | 3 Bed House66, Derwendeg Avenue, Blackwood, NP12 3LN66, Derwendeg Avenue, Blackwood, NP12 3LN
Schools Nearby
Public Transport Nearby
The closest station to NP12 3LW is Pengam station, which is 1.2 kilometres away.
- Pengam|1.2 km away
- Gilfach Fargoed|1.7 km away
- Bargoed|2.6 km away
- Hengoed|2.8 km away