Dunster Street - NN1 3JY
Key Postcode Insights
NN1 3JY is a residential postcode situated on Dunster Street, Northampton, NN1 with 46 addresses.
It ranks as the 514th largest and 327th most expensive of the 637 postcodes in the NN1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 46 properties: 23 houses and 23 flats.
- Ave. Sale Price
- £175,109
- 10 Year change
- up 17.9%
- Ave. Rental Price
- £881pcm
- 10 Year change
- up 41.2%
- Ave. £ per ft²
- £235/ft²
- Ave. Gross Yield
- 6.0%/year/yr
Key Postcode Insights
NN1 3JY is a residential postcode situated on Dunster Street, Northampton, NN1 with 46 addresses.
It ranks as the 514th largest and 327th most expensive of the 637 postcodes in the NN1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 46 properties: 23 houses and 23 flats.
- Ave. Sale Price
- £175,109
- 10 Year change
- up 17.9%
- Ave. Rental Price
- £881pcm
- 10 Year change
- up 41.2%
- Ave. £ per ft²
- £235/ft²
- Ave. Gross Yield
- 6.0%/year/yr
Explore Propertiesin NN1 3JY
- 16 Dunster Street
Unknown
- 18-22 Dunster Street
Modern Building | 11 Units
- 34 Dunster Street
Building  |  4 Flats
- 36 Dunster Street
Unknown
- 40 Dunster Street
Unknown
Sales Market Trends
The last sale in NN1 3JY sold for £205,000 on 3rd February 2026. Since then prices are up an average of 1.4%.
The current average value in the postcode is £175,109.
The NN1 3JY Sales Market has increased by 17.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.9% | £175,109 |
| June 2025 | 0.1% | £176,632 |
| June 2024 | -2% | £176,383 |
| June 2023 | -1.7% | £180,025 |
| June 2022 | 6.5% | £183,169 |
| June 2021 | 2.2% | £171,969 |
| June 2020 | 4.4% | £168,202 |
| June 2019 | -1.3% | £161,115 |
| June 2018 | 1.7% | £163,237 |
| June 2017 | 8.1% | £160,517 |
| June 2016 | 7.6% | £148,514 |
| June 2015 | 6.5% | £137,962 |
| June 2014 | 8.6% | £129,519 |
| June 2013 | -0.6% | £119,251 |
| June 2012 | 2.7% | £119,951 |
| June 2011 | -3% | £116,753 |
| June 2010 | 5.7% | £120,365 |
| June 2009 | -15.9% | £113,886 |
| June 2008 | -6.9% | £135,468 |
| June 2007 | 0% | £145,476 |
Rental Market Trends
The current average rental value in the postcode is £881.
The NN1 3JY Rental Market has increased by 41.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.4% | £881pcm |
| June 2025 | 3.7% | £869pcm |
| June 2024 | 7.1% | £838pcm |
| June 2023 | 7.3% | £783pcm |
| June 2022 | 7.7% | £730pcm |
| June 2021 | 4.2% | £677pcm |
| June 2020 | -0.3% | £650pcm |
| June 2019 | 0.9% | £652pcm |
| June 2018 | 0.6% | £646pcm |
| June 2017 | 2.9% | £642pcm |
| June 2016 | 5.4% | £624pcm |
| June 2015 | 6.9% | £592pcm |
| June 2014 | 3.1% | £554pcm |
| June 2013 | 2.1% | £538pcm |
| June 2012 | 2.4% | £527pcm |
| June 2011 | 1.5% | £514pcm |
| June 2010 | 1.2% | £507pcm |
| June 2009 | -7.1% | £501pcm |
| June 2008 | 0.7% | £539pcm |
| June 2007 | 0% | £536pcm |
Sales History
The last sale was on 3rd February 2026 for £205,000 and since then the market in the area has increased by 1.4%. The postcode has had a total of 51 sales since 1995.
NN1 3JY has seen 3 sales in the last three years and 2 sales in the last twelve months.
- Sold Feb 2026£205,000 | 2 Bed House16, Dunster Street, Northampton, NN1 3JY16, Dunster Street, Northampton, NN1 3JY
- Sold Dec 2025£190,000 | 2 Bed FlatFlat 2, 54, Dunster Street, Northampton, NN1 3JYFlat 2, 54, Dunster Street, Northampton, NN1 3JY
- Sold Feb 2024£169,000 | 2 Bed House56, Dunster Street, Northampton, NN1 3JY56, Dunster Street, Northampton, NN1 3JY
- Sold Jun 2022£150,000 | 2 Bed House40, Dunster Street, Northampton, NN1 3JY40, Dunster Street, Northampton, NN1 3JY
- Sold Apr 2022£179,995 | 2 Bed House92, Dunster Street, Northampton, NN1 3JY92, Dunster Street, Northampton, NN1 3JY
Nearby Postcodes
NN1 3JY is the 514th largest and the 327th most expensive postcode out of the 637 postcodes in the NN1 area.
- NN1 3LB, Dunster Street, Northampton, NN1NN1 3LB43 Addresses|27 m away
- NN1 3JT, St. Michaels Road, Northampton, NN1NN1 3JT60 Addresses|29 m away
- NN1 3DL, Dunster Street, Northampton, NN1NN1 3DL9 Addresses|51 m away
- NN1 3LF, Alcombe Road, Northampton, NN1NN1 3LF55 Addresses|57 m away
- NN1 3LD, Alcombe Terrace, Northampton, NN1NN1 3LD13 Addresses|66 m away
Property Types
- 14 period houses built between 1800 and 1911
- 3 period flats built between 1800 and 1911
- 20 modern flats built after 1980
- 9 other addresses of unknown type
- period house (14)
- period flat (3)
- modern flat (20)
- Unknown (9)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 35 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (3)
- F (0)
- C (18)
- G (0)
- D (13)
- No EPC (11)
Top 3 Most Expensive Sales
- Sold Apr 2020£341,000 | 1 Bed FlatFlat 1, 48A , Dunster Street, Northampton, NN1 3JYFlat 1, 48A , Dunster Street, Northampton, NN1 3JY
- Sold Jun 2017£217,500 | 1 Bed FlatFlat 1, 54, Dunster Street, Northampton, NN1 3JYFlat 1, 54, Dunster Street, Northampton, NN1 3JY
- Sold Mar 2025£205,500 | 2 Bed House75, Dunster Street, Northampton, NN1 3LB75, Dunster Street, Northampton, NN1 3LB
Schools Nearby
- Vernon Terrace Primary School700 m away
- Castle Academy700 m away
- Stimpson Avenue Academy900 m away
- Northampton School for Boys1.5 km away
- Malcolm Arnold Academy1.5 km away
- Northampton School for Girls2.9 km away
More reading links
Public Transport Nearby
The closest station to NN1 3JY is Northampton station, which is 1.3 kilometres away.
- Northampton|1.3 km away
- Long Buckby|14.7 km away
- Wellingborough|16.0 km away
- Kettering|20.0 km away