Derwendeg Avenue - NP12 3LN
Key Postcode Insights
NP12 3LN is a residential postcode situated on Derwendeg Avenue, Cefn Fforest, Blackwood, NP12 with 23 addresses.
It ranks as the 901st largest and 661st 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 23 properties: 23 houses.
- Ave. Sale Price
- £167,654
- 10 Year change
- up 86.1%
- Ave. Rental Price
- £973pcm
- 10 Year change
- up 81.4%
- Ave. £ per ft²
- £193/ft²
- Ave. Gross Yield
- 7.0%/year/yr
Key Postcode Insights
NP12 3LN is a residential postcode situated on Derwendeg Avenue, Cefn Fforest, Blackwood, NP12 with 23 addresses.
It ranks as the 901st largest and 661st 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 23 properties: 23 houses.
- Ave. Sale Price
- £167,654
- 10 Year change
- up 86.1%
- Ave. Rental Price
- £973pcm
- 10 Year change
- up 81.4%
- Ave. £ per ft²
- £193/ft²
- Ave. Gross Yield
- 7.0%/year/yr
Explore Propertiesin NP12 3LN
- 17 Derwendeg Avenue
3 Bed Early-century House
- 19 Derwendeg Avenue
3 Bed House
- 21 Derwendeg Avenue
3 Bed Early-century House
- 23 Derwendeg Avenue
3 Bed Mid-century House
- 46 Derwendeg Avenue
House
Sales Market Trends
The last sale in NP12 3LN sold for £184,000 on 10th October 2025. Since then prices are up an average of 3.9%.
The current average value in the postcode is £167,654.
The NP12 3LN Sales Market has increased by 86.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.8% | £167,654 |
| June 2025 | 4.1% | £161,565 |
| June 2024 | 0.3% | £155,171 |
| June 2023 | 4.3% | £154,677 |
| June 2022 | 17.6% | £148,292 |
| June 2021 | 11.7% | £126,119 |
| June 2020 | 4.3% | £112,905 |
| June 2019 | 10.1% | £108,251 |
| June 2018 | 5.8% | £98,323 |
| June 2017 | 3.1% | £92,921 |
| June 2016 | 1.5% | £90,095 |
| June 2015 | 2.4% | £88,780 |
| June 2014 | 6.5% | £86,667 |
| June 2013 | -3.6% | £81,397 |
| June 2012 | -0.8% | £84,434 |
| June 2011 | -2% | £85,128 |
| June 2010 | 0.5% | £86,870 |
| June 2009 | -15.3% | £86,447 |
| June 2008 | 1.5% | £102,040 |
| June 2007 | 0% | £100,519 |
Rental Market Trends
The current average rental value in the postcode is £973.
The NP12 3LN Rental Market has increased by 81.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.5% | £973pcm |
| June 2025 | 5.9% | £950pcm |
| June 2024 | 5.8% | £897pcm |
| June 2023 | 6.5% | £848pcm |
| June 2022 | 15% | £796pcm |
| June 2021 | 11% | £692pcm |
| June 2020 | 4.7% | £623pcm |
| June 2019 | 3.9% | £596pcm |
| June 2018 | 3.1% | £573pcm |
| June 2017 | 3.6% | £556pcm |
| June 2016 | 4% | £537pcm |
| June 2015 | 0.4% | £516pcm |
| June 2014 | 1.8% | £514pcm |
| June 2013 | -1.8% | £505pcm |
| June 2012 | -1.3% | £514pcm |
| June 2011 | 2.2% | £521pcm |
| June 2010 | 2.6% | £509pcm |
| June 2009 | -4.8% | £496pcm |
| June 2008 | -0.6% | £522pcm |
| June 2007 | 0% | £525pcm |
Sales History
The last sale was on 10th October 2025 for £184,000 and since then the market in the area has increased by 3.9%. The postcode has had a total of 23 sales since 1995.
NP12 3LN has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Oct 2025£184,000 | 3 Bed House76, Derwendeg Avenue, Blackwood, NP12 3LN76, Derwendeg Avenue, Blackwood, NP12 3LN
- Sold May 2024£131,000 | 3 Bed House52, Derwendeg Avenue, Blackwood, NP12 3LN52, Derwendeg Avenue, Blackwood, NP12 3LN
- Sold Dec 2023£90,000 | 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
Nearby Postcodes
NP12 3LN is the 901st largest and the 661st most expensive postcode out of the 1,371 postcodes in the NP12 area.
- NP12 3LG, Pencoed Avenue, Cefn Fforest, Blackwood, NP12NP12 3LG26 Addresses|43 m away
- NP12 3LF, Pencoed Avenue, Cefn Fforest, Blackwood, NP12NP12 3LF39 Addresses|68 m away
- NP12 3LL, Tynycoed Crescent, Cefn Fforest, Blackwood, NP12NP12 3LL14 Addresses|71 m away
- NP12 3LP, Cefn Fforest Avenue, Cefn Fforest, Blackwood, NP12NP12 3LP8 Addresses|100 m away
- NP12 3LQ, Pencoed Avenue, Cefn Fforest, Blackwood, NP12NP12 3LQ42 Addresses|127 m away
Property Types
- 2 period houses built between 1800 and 1911
- 12 mid-century houses built between 1936 and 1979
- 1 house of an unknown age
- 3 early-century houses built between 1912 and 1935
- 5 other addresses of unknown type
- period house (2)
- mid-century house (12)
- house (1)
- early-century house (3)
- Unknown (5)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 17 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (0)
- F (0)
- C (1)
- G (0)
- D (15)
- No EPC (6)
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 3LN is Pengam station, which is 1.2 kilometres away.
- Pengam|1.2 km away
- Gilfach Fargoed|1.5 km away
- Bargoed|2.4 km away
- Hengoed|3.0 km away
