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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
NN5 6JZHouse Prices / East Midlands, West Northamptonshire, Castle Avenue
Last updated May 2026
Key Postcode Insights
NN5 6JZ is a residential postcode situated on Castle Avenue, Northampton, NN5 with 20 addresses.
It ranks as the 372nd largest and 42nd most expensive of the 817 postcodes in the NN5 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 20 properties: 9 houses and 11 flats.
20
Properties
- Houses
- Flats
Key Postcode Insights
NN5 6JZ is a residential postcode situated on Castle Avenue, Northampton, NN5 with 20 addresses.
It ranks as the 372nd largest and 42nd most expensive of the 817 postcodes in the NN5 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 20 properties: 9 houses and 11 flats.
20
Properties
- Houses
- Flats
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House Pricesin NN5 6JZ
Sale prices range from £112,788 for 2 bedroom leasehold flats (452 ft2) to £265,890 for 3 bedroom freehold houses with a garden (1,065 ft2) .
Monthly rental prices range from £741 pcm for 2 bed flats to £1,381 pcm for 3 bed houses.
The gross rental yield is between 6.2% and 7.9%.
The average value per square foot is £242.
Average Sale Value
£155,120
Average Rental Value
£924 pcm
Average Rental Yield
7.1% /year
Average Value Per Sqft
£242 /ft2
Sales Market Trendsin NN5 6JZ
The last sale in NN5 6JZ sold for £230,000 on 5th February 2025. Since then prices are up an average of 0.2%.
The current average value in the postcode is £155,120.
The NN5 6JZ Sales Market has increased by 34.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 0.4% | £155,120 |
| April 2025 | 2.8% | £154,570 |
| April 2024 | -1.5% | £150,420 |
| April 2023 | -0.6% | £152,768 |
| April 2022 | 10.7% | £153,650 |
| April 2021 | 5.6% | £138,772 |
| April 2020 | 0.3% | £131,419 |
| April 2019 | 1.5% | £130,988 |
| April 2018 | 5.1% | £129,006 |
| April 2017 | 6.7% | £122,738 |
| April 2016 | 11.1% | £115,046 |
| April 2015 | 5.4% | £103,528 |
| April 2014 | 8.4% | £98,259 |
| April 2013 | 2% | £90,672 |
| April 2012 | 1.2% | £88,861 |
| April 2011 | -1.1% | £87,831 |
| April 2010 | 6.6% | £88,798 |
| April 2009 | -16.1% | £83,269 |
| April 2008 | -1.6% | £99,246 |
| April 2007 | 0% | £100,901 |
Rental Market Trendsin NN5 6JZ
The current average rental value in the postcode is £924.
The NN5 6JZ Rental Market has increased by 46.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 2.2% | £924pcm |
| April 2025 | 5.4% | £904pcm |
| April 2024 | 6.2% | £858pcm |
| April 2023 | 8.2% | £808pcm |
| April 2022 | 7.7% | £747pcm |
| April 2021 | 3.4% | £693pcm |
| April 2020 | -0.2% | £671pcm |
| April 2019 | 0.3% | £672pcm |
| April 2018 | 2.2% | £670pcm |
| April 2017 | 4.1% | £655pcm |
| April 2016 | 6.1% | £630pcm |
| April 2015 | 3.8% | £594pcm |
| April 2014 | 4.2% | £572pcm |
| April 2013 | 2.9% | £549pcm |
| April 2012 | 2.7% | £533pcm |
| April 2011 | 1.7% | £519pcm |
| April 2010 | 0.5% | £510pcm |
| April 2009 | -7.8% | £508pcm |
| April 2008 | 0.2% | £551pcm |
| April 2007 | 0% | £550pcm |
Explore Propertiesin NN5 6JZ, Castle Avenue, Northampton, NN5
- 74, Castle Avenue, Northampton, NN5 6JZ2 bed house
- 76, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 78, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 80, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 82, Castle Avenue, Northampton, NN5 6JZ
- 84, Castle Avenue, Northampton, NN5 6JZ2 bed flat
- 86, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 88, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 90, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 92, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 94, Castle Avenue, Northampton, NN5 6JZ
- 96, Castle Avenue, Northampton, NN5 6JZ
- 98, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 100, Castle Avenue, Northampton, NN5 6JZ2 bed mid-century flat
- 102, Castle Avenue, Northampton, NN5 6JZ3 bed house
- 104, Castle Avenue, Northampton, NN5 6JZ
- 106, Castle Avenue, Northampton, NN5 6JZ3 bed mid-century house
- 108, Castle Avenue, Northampton, NN5 6JZ3 bed mid-century house
- 110, Castle Avenue, Northampton, NN5 6JZ3 bed mid-century house
- 112, Castle Avenue, Northampton, NN5 6JZ
Sales Historyin NN5 6JZ
The last sale was on 5th February 2025 for £230,000 and since then the market in the area has increased by 0.2%. The postcode has had a total of 31 sales since 1995.
NN5 6JZ has seen 2 sales in the last three years and no sales in the last twelve months.
Sold Feb 2025£230,000 | 3 Bed HouseCastle Avenue108, Castle Avenue, Northampton, NN5 6JZ
Sold Jun 2023£115,000 | 2 Bed FlatCastle Avenue88, Castle Avenue, Northampton, NN5 6JZ
Sold Dec 2022£118,000 | 2 Bed FlatCastle Avenue92, Castle Avenue, Northampton, NN5 6JZ
Sold Jun 2021£100,000 | 2 Bed HouseCastle Avenue74, Castle Avenue, Northampton, NN5 6JZ
Sold Apr 2021£108,000 | 2 Bed FlatCastle Avenue78, Castle Avenue, Northampton, NN5 6JZ
Sold Dec 2015£70,000 | 2 Bed FlatCastle Avenue84, Castle Avenue, Northampton, NN5 6JZ
Sold Sep 2014£74,500 | 2 Bed HouseCastle Avenue94, Castle Avenue, Northampton, NN5 6JZ
Sold Dec 2013£150,000 | 3 Bed HouseCastle Avenue102, Castle Avenue, Northampton, NN5 6JZ
Sold Jun 2008£67,687 | 3 Bed HouseCastle Avenue106, Castle Avenue, Northampton, NN5 6JZ
Sold Feb 2008£77,500 | 2 Bed FlatCastle Avenue78, Castle Avenue, Northampton, NN5 6JZ
Sold Oct 2007£70,000 | 2 Bed FlatCastle Avenue78, Castle Avenue, Northampton, NN5 6JZ
Sold Aug 2007£165,000 | 3 Bed HouseCastle Avenue110, Castle Avenue, Northampton, NN5 6JZ
Sold Jun 2007£79,995 | 2 Bed FlatCastle Avenue76, Castle Avenue, Northampton, NN5 6JZ
Sold Jul 2006£83,500 | 2 Bed FlatCastle Avenue84, Castle Avenue, Northampton, NN5 6JZ
Sold Apr 2006£83,000 | 2 Bed FlatCastle Avenue100, Castle Avenue, Northampton, NN5 6JZ
Sold Aug 2004£80,000 | 2 Bed FlatCastle Avenue92, Castle Avenue, Northampton, NN5 6JZ
Sold Feb 2004£60,000 | 2 Bed HouseCastle Avenue74, Castle Avenue, Northampton, NN5 6JZ
Sold Jul 2003£60,000 | 2 Bed FlatCastle Avenue92, Castle Avenue, Northampton, NN5 6JZ
Sold Feb 2003£51,995 | 2 Bed FlatCastle Avenue86, Castle Avenue, Northampton, NN5 6JZ
Sold Oct 2002£48,500 | 2 Bed FlatCastle Avenue90, Castle Avenue, Northampton, NN5 6JZ
Sold Sep 2001£41,000 | 2 Bed FlatCastle Avenue88, Castle Avenue, Northampton, NN5 6JZ
Sold May 2001£36,500 | 2 Bed FlatCastle Avenue90, Castle Avenue, Northampton, NN5 6JZ
Sold May 2000£35,500 | 2 Bed FlatCastle Avenue86, Castle Avenue, Northampton, NN5 6JZ
Sold May 2000£34,000 | 2 Bed FlatCastle Avenue88, Castle Avenue, Northampton, NN5 6JZ
Sold Apr 1999£26,000 | 2 Bed FlatCastle Avenue98, Castle Avenue, Northampton, NN5 6JZ
Sold Jan 1999£25,000 | 2 Bed HouseCastle Avenue96, Castle Avenue, Northampton, NN5 6JZ
Sold Apr 1998£24,000 | 2 Bed HouseCastle Avenue94, Castle Avenue, Northampton, NN5 6JZ
Sold Sep 1997£25,500 | 2 Bed FlatCastle Avenue98, Castle Avenue, Northampton, NN5 6JZ
Sold May 1996£21,000 | 2 Bed FlatCastle Avenue88, Castle Avenue, Northampton, NN5 6JZ
Sold Apr 1996£25,000 | 2 Bed FlatCastle Avenue86, Castle Avenue, Northampton, NN5 6JZ
Sold Jan 1996£21,000 | 2 Bed FlatCastle Avenue76, Castle Avenue, Northampton, NN5 6JZ
Nearby Postcodesto NN5 6JZ
NN5 6JZ is the 372nd largest and the 42nd most expensive postcode out of the 817 postcodes in the NN5 area.
- 89 mNN5 6LB, Barnard Close, Northampton, NN5NN5 6LB28 Addresses
- 119 mNN5 6LZ, Castle Close, Northampton, NN5NN5 6LZ10 Addresses
- 136 mNN5 6PW, Rosette Close, Northampton, NN5NN5 6PW9 Addresses
- 143 mNN5 6PQ, Sir John Pascoe Way, Northampton, NN5NN5 6PQ31 Addresses
- 144 mNN5 6LE, Warwick Close, Northampton, NN5NN5 6LE10 Addresses
- 154 mNN5 6LN, Hardlands Road, Northampton, NN5NN5 6LN19 Addresses
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Property Typesin NN5 6JZ
- 3 mid-century houses built between 1936 and 1979
- 9 mid-century flats built between 1936 and 1979
- 2 houses of an unknown age
- 1 flat of an unknown age
- 5 other addresses of unknown type
- mid-century house (3)
- mid-century flat (9)
- house (2)
- flat (1)
- Unknown (5)
Energy Efficiencyof properties in NN5 6JZ
- Energy Performance Certificate (EPC) surveys conducted for 14 properties.
- The dominant rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (5)
- G (0)
- D (6)
- No EPC (6)
Top 3 Most Expensive Saleson Castle Avenue
Schools Nearbyto NN5 6JZ
The nearest primary school to NN5 6JZ is Hopping Hill Primary School which is 450 metres away.
- 450mHopping Hill Primary School
- 830mDuston Eldean Primary School
- 966mChiltern Primary School
The nearest secondary school is Malcolm Arnold Academy which is 3.8 kilometres away.
- 3.8kmMalcolm Arnold Academy
- 4.5kmAbbeyfield School
- 4.8kmKingsthorpe College
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Public Transport Nearbyto NN5 6JZ
The closest station to NN5 6JZ is Northampton station which is 2.9 kilometres away.
- 2.9kmNorthampton
- 10.9kmLong Buckby
- 19.3kmWellingborough
- 21.8kmKettering
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