St. Mary Street - NP20 4DG
Key Postcode Insights
NP20 4DG is a residential postcode situated on St. Mary Street, Newport, NP20 with 12 addresses.
It ranks as the 405th largest and 291st most expensive of the 1,239 postcodes in the NP20 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 12 properties: 10 houses and 2 flats.
- Ave. Sale Price
- £132,810
- 10 Year change
- up 63.1%
- Ave. Rental Price
- £845pcm
- 10 Year change
- up 72.4%
- Ave. £ per ft²
- £186/ft²
- Ave. Gross Yield
- 7.6%/year/yr
Key Postcode Insights
NP20 4DG is a residential postcode situated on St. Mary Street, Newport, NP20 with 12 addresses.
It ranks as the 405th largest and 291st most expensive of the 1,239 postcodes in the NP20 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 12 properties: 10 houses and 2 flats.
- Ave. Sale Price
- £132,810
- 10 Year change
- up 63.1%
- Ave. Rental Price
- £845pcm
- 10 Year change
- up 72.4%
- Ave. £ per ft²
- £186/ft²
- Ave. Gross Yield
- 7.6%/year/yr
Explore Propertiesin NP20 4DG
- 11 St. Mary Street
3 Bed Period House
- 12 St. Mary Street
3 Bed Period House
- 13 St. Mary Street
3 Bed Period House
- 14 St. Mary Street
3 Bed Period House
- 15 St. Mary Street
3 Bed Period House
Sales Market Trends
The last sale in NP20 4DG sold for £105,000 on 25th July 2025. Since then prices are up an average of 11.6%.
The current average value in the postcode is £132,810.
The NP20 4DG Sales Market has increased by 63.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.1% | £132,810 |
| June 2025 | 3.8% | £128,760 |
| June 2024 | 1.1% | £124,094 |
| June 2023 | 2.7% | £122,792 |
| June 2022 | 8.4% | £119,532 |
| June 2021 | 10.3% | £110,315 |
| June 2020 | 2.1% | £100,058 |
| June 2019 | 7.3% | £98,026 |
| June 2018 | 5.3% | £91,325 |
| June 2017 | 6.6% | £86,760 |
| June 2016 | 3.6% | £81,414 |
| June 2015 | 1.6% | £78,563 |
| June 2014 | 4.8% | £77,329 |
| June 2013 | 2.5% | £73,793 |
| June 2012 | -2.8% | £71,974 |
| June 2011 | -6.2% | £74,074 |
| June 2010 | 4.5% | £78,952 |
| June 2009 | -13.8% | £75,531 |
| June 2008 | -3.8% | £87,617 |
| June 2007 | 0% | £91,099 |
Rental Market Trends
The current average rental value in the postcode is £845.
The NP20 4DG Rental Market has increased by 72.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.6% | £845pcm |
| June 2025 | 4.7% | £824pcm |
| June 2024 | 6.9% | £787pcm |
| June 2023 | 8.3% | £736pcm |
| June 2022 | 12.5% | £680pcm |
| June 2021 | 9.1% | £604pcm |
| June 2020 | 4.4% | £554pcm |
| June 2019 | 3.1% | £530pcm |
| June 2018 | 1.8% | £515pcm |
| June 2017 | 3.1% | £505pcm |
| June 2016 | 3.5% | £490pcm |
| June 2015 | 1.9% | £474pcm |
| June 2014 | 2% | £465pcm |
| June 2013 | -0.3% | £456pcm |
| June 2012 | 0.5% | £457pcm |
| June 2011 | -1% | £455pcm |
| June 2010 | 1.2% | £460pcm |
| June 2009 | -7.4% | £454pcm |
| June 2008 | 3.7% | £490pcm |
| June 2007 | 0% | £473pcm |
Sales History
The last sale was on 25th July 2025 for £105,000 and since then the market in the area has increased by 11.6%. The postcode has had a total of 18 sales since 1995.
NP20 4DG has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Jul 2025£105,000 | 2 Bed FlatGround Floor Flat, 19, St. Mary Street, Newport, NP20 4DGGround Floor Flat, 19, St. Mary Street, Newport, NP20 4DG
- Sold Jun 2022£138,000 | 3 Bed House21, St. Mary Street, Newport, NP20 4DG21, St. Mary Street, Newport, NP20 4DG
- Sold Apr 2020£69,000 | 3 Bed House17, St. Mary Street, Newport, NP20 4DG17, St. Mary Street, Newport, NP20 4DG
- Sold Oct 2018£85,000 | 3 Bed House12, St. Mary Street, Newport, NP20 4DG12, St. Mary Street, Newport, NP20 4DG
- Sold Oct 2014£62,500 | 3 Bed House18, St. Mary Street, Newport, NP20 4DG18, St. Mary Street, Newport, NP20 4DG
Nearby Postcodes
NP20 4DG is the 405th largest and the 291st most expensive postcode out of the 1,239 postcodes in the NP20 area.
- NP20 4DH, Beaufort Terrace, Newport, NP20NP20 4DH6 Addresses|35 m away
- NP20 4GJ, Jones Street, Newport, NP20NP20 4GJ38 Addresses|39 m away
- NP20 4DL, Bailey Street, Newport, NP20NP20 4DL2 Addresses|46 m away
- NP20 4GL, Jones Street, Newport, NP20NP20 4GL39 Addresses|58 m away
- NP20 4DF, St. Mary Street, Newport, NP20NP20 4DF34 Addresses|72 m away
Property Types
- 10 period houses built between 1800 and 1911
- 2 period flats built between 1800 and 1911
- period house (10)
- period flat (2)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 10 properties.
- The most common rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (1)
- G (0)
- D (6)
- No EPC (2)
Top 3 Most Expensive Sales
- Sold Apr 2024£180,000 | 4 Bed House36, St. Mary Street, Newport, NP20 4DF36, St. Mary Street, Newport, NP20 4DF
- Sold Oct 2018£145,000 | 3 Bed House41, St. Mary Street, Newport, NP20 4DF41, St. Mary Street, Newport, NP20 4DF
- Sold Jun 2022£138,000 | 3 Bed House21, St. Mary Street, Newport, NP20 4DG21, St. Mary Street, Newport, NP20 4DG
Schools Nearby
Public Transport Nearby
The closest station to NP20 4DG is Newport (South Wales) station, which is 500 metres away.
- Newport (South Wales)|500 m away
- Pye Corner|2.9 km away
- Rogerstone|4.8 km away
- Risca & Pontymister|6.8 km away
