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Registered Address: 2 Leman St, London E1 8FA
NN3 9SZHouse Prices / East Midlands, West Northamptonshire, Sladeswell Court
Last updated May 2026
Key Postcode Insights
NN3 9SZ is a residential postcode situated on Sladeswell Court, Northampton, NN3 with 34 addresses.
It ranks as the 889th largest and 386th most expensive of the 1,232 postcodes in the NN3 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 34 properties: 22 houses and 12 flats.
34
Properties
- Houses
- Flats
Key Postcode Insights
NN3 9SZ is a residential postcode situated on Sladeswell Court, Northampton, NN3 with 34 addresses.
It ranks as the 889th largest and 386th most expensive of the 1,232 postcodes in the NN3 area. The dominant property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 34 properties: 22 houses and 12 flats.
34
Properties
- Houses
- Flats
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House Pricesin NN3 9SZ
Sale prices range from £118,648 for 2 bedroom leasehold flats (516 ft2) to £255,149 for 4 bedroom freehold houses with a garden (1,205 ft2) .
Monthly rental prices range from £862 pcm for 2 bed flats to £1,334 pcm for 4 bed houses.
The gross rental yield is between 6.3% and 8.7%.
The average value per square foot is £233.
Average Sale Value
£185,794
Average Rental Value
£1,103 pcm
Average Rental Yield
7.1% /year
Average Value Per Sqft
£233 /ft2
Sales Market Trendsin NN3 9SZ
The last sale in NN3 9SZ sold for £225,000 on 27th November 2025. Since then prices are up an average of 2.2%.
The current average value in the postcode is £185,794.
The NN3 9SZ Sales Market has increased by 41.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 0.5% | £185,794 |
| April 2025 | 2.6% | £184,948 |
| April 2024 | -2.9% | £180,221 |
| April 2023 | 2% | £185,695 |
| April 2022 | 10.3% | £181,971 |
| April 2021 | 6.1% | £164,943 |
| April 2020 | 1% | £155,455 |
| April 2019 | -0.4% | £153,892 |
| April 2018 | 5.9% | £154,520 |
| April 2017 | 11.3% | £145,932 |
| April 2016 | 9.6% | £131,094 |
| April 2015 | 4.7% | £119,601 |
| April 2014 | 8.4% | £114,256 |
| April 2013 | 2.6% | £105,382 |
| April 2012 | -0.6% | £102,679 |
| April 2011 | -1% | £103,316 |
| April 2010 | 9.1% | £104,316 |
| April 2009 | -15.2% | £95,654 |
| April 2008 | -1.2% | £112,793 |
| April 2007 | 0% | £114,126 |
Rental Market Trendsin NN3 9SZ
The current average rental value in the postcode is £1,103.
The NN3 9SZ Rental Market has increased by 52.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 1.6% | £1,103pcm |
| April 2025 | 7.4% | £1,085pcm |
| April 2024 | 5.9% | £1,010pcm |
| April 2023 | 10.5% | £954pcm |
| April 2022 | 8.2% | £864pcm |
| April 2021 | 3.9% | £798pcm |
| April 2020 | 0.3% | £768pcm |
| April 2019 | 0.2% | £765pcm |
| April 2018 | 2.1% | £763pcm |
| April 2017 | 3% | £747pcm |
| April 2016 | 5.7% | £725pcm |
| April 2015 | 7.4% | £686pcm |
| April 2014 | 3.6% | £639pcm |
| April 2013 | 3.3% | £617pcm |
| April 2012 | 1.5% | £597pcm |
| April 2011 | 3.4% | £589pcm |
| April 2010 | 2% | £569pcm |
| April 2009 | -6.8% | £558pcm |
| April 2008 | 2.7% | £599pcm |
| April 2007 | 0% | £583pcm |
Explore Propertiesin NN3 9SZ, Sladeswell Court, Northampton, NN3
- 1, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 2, Sladeswell Court, Northampton, NN3 9SZ3 bed early-century house
- 3, Sladeswell Court, Northampton, NN3 9SZ4 bed mid-century house
- 4, Sladeswell Court, Northampton, NN3 9SZ3 bed early-century house
- 5, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 6, Sladeswell Court, Northampton, NN3 9SZ4 bed mid-century house
- 7, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 8, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 9, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 10, Sladeswell Court, Northampton, NN3 9SZ3 bed early-century house
- 11, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 12, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 14, Sladeswell Court, Northampton, NN3 9SZ3 bed modern house
- 15, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 16, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 17, Sladeswell Court, Northampton, NN3 9SZ3 bed early-century house
- 18, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 19, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 20, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 21, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 22, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 23, Sladeswell Court, Northampton, NN3 9SZ3 bed mid-century house
- 24, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 25, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 26, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 27, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 28, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 29, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 30, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 31, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 32, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 33, Sladeswell Court, Northampton, NN3 9SZ2 bed modern flat
- 34, Sladeswell Court, Northampton, NN3 9SZ2 bed mid-century flat
- 35, Sladeswell Court, Northampton, NN3 9SZ
Sales Historyin NN3 9SZ
The last sale was on 27th November 2025 for £225,000 and since then the market in the area has increased by 2.2%. The postcode has had a total of 30 sales since 1995.
NN3 9SZ has seen 5 sales in the last three years and 1 sale in the last twelve months.
Sold Nov 2025£225,000 | 3 Bed HouseSladeswell Court15, Sladeswell Court, Northampton, NN3 9SZ
Sold Apr 2024£118,000 | 2 Bed FlatSladeswell Court31, Sladeswell Court, Northampton, NN3 9SZ
Sold Oct 2023£205,000 | 3 Bed HouseSladeswell Court5, Sladeswell Court, Northampton, NN3 9SZ
Sold Jun 2023£205,000 | 3 Bed HouseSladeswell Court5, Sladeswell Court, Northampton, NN3 9SZ
Sold Mar 2023£210,000 | 3 Bed HouseSladeswell Court21, Sladeswell Court, Northampton, NN3 9SZ
Sold Oct 2021£120,000 | 2 Bed FlatSladeswell Court31, Sladeswell Court, Northampton, NN3 9SZ
Sold Oct 2019£164,000 | 3 Bed HouseSladeswell Court18, Sladeswell Court, Northampton, NN3 9SZ
Sold Jul 2019£130,000 | 3 Bed HouseSladeswell Court5, Sladeswell Court, Northampton, NN3 9SZ
Sold Nov 2017£141,500 | 4 Bed HouseSladeswell Court3, Sladeswell Court, Northampton, NN3 9SZ
Sold Aug 2017£95,000 | 2 Bed FlatSladeswell Court31, Sladeswell Court, Northampton, NN3 9SZ
Sold Jul 2017£164,995 | 3 Bed HouseSladeswell Court19, Sladeswell Court, Northampton, NN3 9SZ
Sold Nov 2016£90,000 | 2 Bed FlatSladeswell Court31, Sladeswell Court, Northampton, NN3 9SZ
Sold May 2015£115,000 | 3 Bed HouseSladeswell Court22, Sladeswell Court, Northampton, NN3 9SZ
Sold Jul 2012£54,000 | 2 Bed FlatSladeswell Court31, Sladeswell Court, Northampton, NN3 9SZ
Sold Jul 2011£106,000 | 3 Bed HouseSladeswell Court22, Sladeswell Court, Northampton, NN3 9SZ
Sold Feb 2008£136,750 | 3 Bed HouseSladeswell Court23, Sladeswell Court, Northampton, NN3 9SZ
Sold Apr 2007£116,500 | 3 Bed HouseSladeswell Court1, Sladeswell Court, Northampton, NN3 9SZ
Sold May 2006£105,000 | 3 Bed HouseSladeswell Court18, Sladeswell Court, Northampton, NN3 9SZ
Sold Apr 2006£108,000 | 3 Bed HouseSladeswell Court5, Sladeswell Court, Northampton, NN3 9SZ
Sold Jun 2005£55,000 | 3 Bed HouseSladeswell Court5, Sladeswell Court, Northampton, NN3 9SZ
Sold Apr 2005£58,000 | 3 Bed HouseSladeswell Court19, Sladeswell Court, Northampton, NN3 9SZ
Sold Sep 2003£88,750 | 3 Bed HouseSladeswell Court8, Sladeswell Court, Northampton, NN3 9SZ
Sold May 2003£73,000 | 3 Bed HouseSladeswell Court22, Sladeswell Court, Northampton, NN3 9SZ
Sold May 2003£84,000 | 3 Bed HouseSladeswell Court1, Sladeswell Court, Northampton, NN3 9SZ
Sold Jul 2002£66,500 | 3 Bed HouseSladeswell Court22, Sladeswell Court, Northampton, NN3 9SZ
Sold Nov 2001£34,000 | 3 Bed HouseSladeswell Court18, Sladeswell Court, Northampton, NN3 9SZ
Sold Nov 2000£56,000 | 3 Bed HouseSladeswell Court22, Sladeswell Court, Northampton, NN3 9SZ
Sold Aug 1998£39,995 | 3 Bed HouseSladeswell Court22, Sladeswell Court, Northampton, NN3 9SZ
Sold Jan 1998£31,000 | 3 Bed HouseSladeswell Court5, Sladeswell Court, Northampton, NN3 9SZ
Sold Mar 1997£36,000 | 3 Bed HouseSladeswell Court21, Sladeswell Court, Northampton, NN3 9SZ
Nearby Postcodesto NN3 9SZ
NN3 9SZ is the 889th largest and the 386th most expensive postcode out of the 1,232 postcodes in the NN3 area.
- 101 mNN3 9XB, Broadhurst Drive, Northampton, NN3NN3 9XB17 Addresses
- 107 mNN3 9TS, Brickwell Court, Northampton, NN3NN3 9TS68 Addresses
- 113 mNN3 9TY, Stockmead Road, Northampton, NN3NN3 9TY39 Addresses
- 126 mNN3 9SX, Padwell Court, Northampton, NN3NN3 9SX4 Addresses
- 138 mNN3 9SY, Bestwell Court, Northampton, NN3NN3 9SY5 Addresses
- 142 mNN3 9TX, Stockmead Road, Northampton, NN3NN3 9TX66 Addresses
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Property Typesin NN3 9SZ
- 1 modern house built after 1980
- 1 modern flat built after 1980
- 17 mid-century houses built between 1936 and 1979
- 10 mid-century flats built between 1936 and 1979
- 4 early-century houses built between 1912 and 1935
- 1 other address of unknown type
- modern house (1)
- modern flat (1)
- mid-century house (17)
- mid-century flat (10)
- early-century house (4)
- Unknown (1)
Energy Efficiencyof properties in NN3 9SZ
- Energy Performance Certificate (EPC) surveys conducted for 33 properties.
- The dominant rating is D.
- A (0)
- E (6)
- B (0)
- F (2)
- C (11)
- G (0)
- D (14)
- No EPC (1)
Top 3 Most Expensive Saleson Sladeswell Court
Schools Nearbyto NN3 9SZ
The nearest primary school to NN3 9SZ is Standens Barn Primary School which is 159 metres away.
- 159mStandens Barn Primary School
- 1.5kmWeston Favell CofE Primary School
- 1.6kmLumbertubs Primary School
The nearest secondary school is Northampton Academy which is 981 metres away.
- 981mNorthampton Academy
- 1.6kmWeston Favell Academy
- 2.9kmNorthampton School for Boys
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Public Transport Nearbyto NN3 9SZ
The closest station to NN3 9SZ is Northampton station which is 5.4 kilometres away.
- 5.4kmNorthampton
- 12.0kmWellingborough
- 17.3kmKettering
- 18.2kmLong Buckby
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