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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
|
VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
NN1 1JTHouse Prices / East Midlands, West Northamptonshire, Castilian Street
Last updated May 2026
Key Postcode Insights
NN1 1JT is a residential postcode situated on Castilian Street, Northampton, NN1 with 15 addresses.
It ranks as the 238th largest and 153rd most expensive of the 638 postcodes in the NN1 area.
The postcode contains a total of 15 properties: 15 flats.
15
Properties
- Flats
Key Postcode Insights
NN1 1JT is a residential postcode situated on Castilian Street, Northampton, NN1 with 15 addresses.
It ranks as the 238th largest and 153rd most expensive of the 638 postcodes in the NN1 area.
The postcode contains a total of 15 properties: 15 flats.
15
Properties
- Flats
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House Pricesin NN1 1JT
Sale prices range from £136,493 for 2 bedroom leasehold flats (731 ft2) to £173,176 for 3 bedroom leasehold flats with a garden (947 ft2) .
Monthly rental prices range from £832 pcm for 2 bed flats to £1,051 pcm for 3 bed flats.
The gross rental yield is between 7.2% and 7.3%.
The average value per square foot is £186.
Average Sale Value
£142,057
Average Rental Value
£865 pcm
Average Rental Yield
7.3% /year
Average Value Per Sqft
£186 /ft2
Sales Market Trendsin NN1 1JT
The last sale in NN1 1JT sold for £182,000 on 2nd September 2022. Since then prices are down an average of 5.4%.
The current average value in the postcode is £142,057.
The NN1 1JT Sales Market has increased by 12.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -1.2% | £142,057 |
| April 2025 | -1% | £143,714 |
| April 2024 | -1% | £145,153 |
| April 2023 | -0.9% | £146,660 |
| April 2022 | 4% | £148,035 |
| April 2021 | 0.6% | £142,318 |
| April 2020 | 3.1% | £141,406 |
| April 2019 | -1.9% | £137,173 |
| April 2018 | 2.6% | £139,885 |
| April 2017 | 7.7% | £136,367 |
| April 2016 | 7.2% | £126,653 |
| April 2015 | 6.4% | £118,175 |
| April 2014 | 7.6% | £111,031 |
| April 2013 | -0.5% | £103,150 |
| April 2012 | 0.3% | £103,687 |
| April 2011 | -3.5% | £103,395 |
| April 2010 | 6.2% | £107,125 |
| April 2009 | -19.6% | £100,853 |
| April 2008 | -3.9% | £125,414 |
| April 2007 | 0% | £130,560 |
Rental Market Trendsin NN1 1JT
The current average rental value in the postcode is £865.
The NN1 1JT Rental Market has increased by 29.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -0.3% | £865pcm |
| April 2025 | 2.9% | £868pcm |
| April 2024 | 8.3% | £843pcm |
| April 2023 | 5.7% | £779pcm |
| April 2022 | 5.1% | £737pcm |
| April 2021 | 1.4% | £701pcm |
| April 2020 | 0.1% | £691pcm |
| April 2019 | 0.6% | £690pcm |
| April 2018 | 0.6% | £686pcm |
| April 2017 | 1.7% | £682pcm |
| April 2016 | 5.1% | £670pcm |
| April 2015 | 6.9% | £638pcm |
| April 2014 | 1.5% | £597pcm |
| April 2013 | 2.2% | £588pcm |
| April 2012 | 0.7% | £575pcm |
| April 2011 | 2.3% | £571pcm |
| April 2010 | -1.2% | £558pcm |
| April 2009 | -7.4% | £565pcm |
| April 2008 | 0.5% | £611pcm |
| April 2007 | 0% | £608pcm |
Explore Buildingsin NN1 1JT, Castilian Street, Northampton, NN1
- 17, Castilian Street, Northampton, NN1 building 15 units
Sales Historyin NN1 1JT
The last sale was on 2nd September 2022 for £182,000 and since then the market in the area has decreased by 5.4%. The postcode has had a total of 19 sales since 1995.
NN1 1JT has seen no sales in the last three years and no sales in the last twelve months.
Sold Sep 2022£182,000 | 3 Bed Flat17, Castilian StreetFlat 14, 17, Castilian Street, Northampton, NN1 1JT
Sold Jul 2022£176,000 | 2 Bed Flat17, Castilian StreetFlat 10, 17, Castilian Street, Northampton, NN1 1JT
Sold Mar 2022£125,000 | 2 Bed Flat17, Castilian StreetFlat 5, 17, Castilian Street, Northampton, NN1 1JT
Sold Jul 2019£147,000 | 3 Bed Flat17, Castilian StreetFlat 1, 17, Castilian Street, Northampton, NN1 1JT
Sold Aug 2017£129,000 | 3 Bed Flat17, Castilian StreetFlat 1, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£130,000 | 2 Bed Flat17, Castilian StreetFlat 8, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£145,000 | 2 Bed Flat17, Castilian StreetFlat 7, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£190,000 | 2 Bed Flat17, Castilian StreetFlat 5, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£145,000 | 2 Bed Flat17, Castilian StreetFlat 3, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£210,000 | 3 Bed Flat17, Castilian StreetFlat 14, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£145,000 | 2 Bed Flat17, Castilian StreetFlat 12, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£145,000 | 2 Bed Flat17, Castilian StreetFlat 9, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£130,000 | 2 Bed Flat17, Castilian StreetFlat 4, 17, Castilian Street, Northampton, NN1 1JT
Sold Jan 2006£190,000 | 2 Bed Flat17, Castilian StreetFlat 10, 17, Castilian Street, Northampton, NN1 1JT
Sold Nov 2005£190,000 | 2 Bed Flat17, Castilian StreetFlat 11, 17, Castilian Street, Northampton, NN1 1JT
Sold Nov 2005£170,000 | 2 Bed Flat17, Castilian StreetFlat 13, 17, Castilian Street, Northampton, NN1 1JT
Sold Nov 2005£170,000 | 2 Bed Flat17, Castilian StreetFlat 2, 17, Castilian Street, Northampton, NN1 1JT
Sold Aug 2005£176,500 | 2 Bed Flat17, Castilian StreetFlat 6, 17, Castilian Street, Northampton, NN1 1JT
Sold Jul 2005£140,000 | 3 Bed Flat17, Castilian StreetFlat 1, 17, Castilian Street, Northampton, NN1 1JT
Nearby Postcodesto NN1 1JT
NN1 1JT is the 238th largest and the 153rd most expensive postcode out of the 638 postcodes in the NN1 area.
- 22 mNN1 1JS, Castilian Street, Northampton, NN1NN1 1JS17 Addresses
- 39 mNN1 1JX, Castilian Street, Northampton, NN1NN1 1JX20 Addresses
- 40 mNN1 1LD, Castilian Terrace, Northampton, NN1NN1 1LD12 Addresses
- 48 mNN1 1TY, Derngate, Northampton, NN1NN1 1TY82 Addresses
- 59 mNN1 1JY, Castilian Street, Northampton, NN1NN1 1JY20 Addresses
- 80 mNN1 1UE, Derngate, Northampton, NN1NN1 1UE42 Addresses
Estate Agents active nearby!
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Property Typesin NN1 1JT
- 15 other addresses of unknown type
- Unknown (15)
Energy Efficiencyof properties in NN1 1JT
- Energy Performance Certificate (EPC) surveys conducted for 3 properties.
- The dominant rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (2)
- G (0)
- D (1)
- No EPC (12)
Top 3 Most Expensive Saleson Castilian Street
- Sold Aug 2016£715,000 | 3 Bed Flat24, Castilian StreetFlat 2, 24, Castilian Street, Northampton, NN1 1JX
- Sold Sep 2021£572,000 | 3 Bed Flat24, Castilian StreetFlat 2, 24, Castilian Street, Northampton, NN1 1JX
- Sold Aug 2016£300,000 | 3 Bed Flat24, Castilian StreetFlat 2, 24, Castilian Street, Northampton, NN1 1JX
Schools Nearbyto NN1 1JT
The nearest primary school to NN1 1JT is Spring Lane Primary School which is 828 metres away.
- 828mSpring Lane Primary School
- 841mCastle Academy
- 888mVernon Terrace Primary School
The nearest secondary school is Northampton School for Boys which is 1.7 kilometres away.
- 1.7kmNorthampton School for Boys
- 1.9kmMalcolm Arnold Academy
- 2.5kmAbbeyfield School
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Public Transport Nearbyto NN1 1JT
The closest station to NN1 1JT is Northampton station which is 1.0 kilometres away.
- 975mNorthampton
- 14.7kmLong Buckby
- 16.5kmWellingborough
- 20.0kmWolverton
