NN1 4LJ is a residential postcode situated on Adams Avenue, Northampton, NN1 with 64 addresses.
It ranks as the 601st largest and 531st most expensive of the 638 postcodes in the NN1 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 64 properties: 57 houses and 7 flats.
NN1 4LJ is a residential postcode situated on Adams Avenue, Northampton, NN1 with 64 addresses.
It ranks as the 601st largest and 531st most expensive of the 638 postcodes in the NN1 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 64 properties: 57 houses and 7 flats.
Sale prices range from £138,905 for 2 bedroom Leasehold flats (516 ft2) to £380,557 for 5 bedroom freehold houses with a garden (2,206 ft2) .
Monthly rental prices range from £807 pcm for 2 bed flats to £1,415 pcm for 5 bed houses.
The gross rental yield is between 4.3% and 7.1%.
The average value per square foot is £224.
The last sale in NN1 4LJ sold for £255,000 on 10th November 2025. Since then prices are up an average of 2.1%.
The current average value in the postcode is £257,802.
The NN1 4LJ Sales Market has increased by 23.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 0.2% | £257,802 |
| April 2025 | 0% | £257,249 |
| April 2024 | -1.8% | £257,266 |
| April 2023 | 0.8% | £262,031 |
| April 2022 | 6.2% | £259,922 |
| April 2021 | 2.8% | £244,858 |
| April 2020 | 3.4% | £238,211 |
| April 2019 | -2.1% | £230,337 |
| April 2018 | 2.8% | £235,263 |
| April 2017 | 9.5% | £228,868 |
| April 2016 | 7.5% | £209,036 |
| April 2015 | 6.6% | £194,513 |
| April 2014 | 8.7% | £182,478 |
| April 2013 | 0.8% | £167,811 |
| April 2012 | 2.1% | £166,415 |
| April 2011 | -4.2% | £163,024 |
| April 2010 | 8.1% | £170,145 |
| April 2009 | -18.9% | £157,442 |
| April 2008 | -3.5% | £194,182 |
| April 2007 | 0% | £201,200 |
The current average rental value in the postcode is £1,033.
The NN1 4LJ Rental Market has increased by 42.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 1% | £1,033pcm |
| April 2025 | 3.9% | £1,022pcm |
| April 2024 | 7.5% | £984pcm |
| April 2023 | 7.6% | £916pcm |
| April 2022 | 7.5% | £851pcm |
| April 2021 | 4% | £791pcm |
| April 2020 | 0% | £761pcm |
| April 2019 | 0.9% | £761pcm |
| April 2018 | 0.9% | £754pcm |
| April 2017 | 3.2% | £747pcm |
| April 2016 | 5.6% | £724pcm |
| April 2015 | 7.2% | £685pcm |
| April 2014 | 2.3% | £639pcm |
| April 2013 | 3.8% | £625pcm |
| April 2012 | 2.4% | £601pcm |
| April 2011 | 1.9% | £587pcm |
| April 2010 | 0.2% | £576pcm |
| April 2009 | -6.1% | £575pcm |
| April 2008 | 1.2% | £613pcm |
| April 2007 | 0% | £605pcm |
The last sale was on 10th November 2025 for £255,000 and since then the market in the area has increased by 2.1%. The postcode has had a total of 119 sales since 1995.
NN1 4LJ has seen 5 sales in the last three years and 1 sale in the last twelve months.
NN1 4LJ is the 601st largest and the 531st most expensive postcode out of the 638 postcodes in the NN1 area.
Be the first Estate
Agent here!
The closest station to NN1 4LJ is Northampton station which is 2.0 kilometres away.
Connect me with
an Estate Agent
Our partner Agents appear here!
Book a demo
Find an Estate
Agent
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
The recent census recorded whether a resident owned or rented their home.
In the area around NN1 4LJ, 55.7% of property is privately rented and 25.0% is privately owned with a mortgage.
The graph below shows how this compares to East Midlands and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around NN1 4LJ, 28.7% of residents are recorded as possessing school level qualifications and 30.0% as possessing degree level qualifications.
The graph below shows how this compares to East Midlands and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around NN1 4LJ, the average age was 36.3 and the most common age was 32.
The graph below shows how this compares to East Midlands and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around NN1 4LJ, 1.0% of property was a second home.
Comparison figures for East Midlands and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around NN1 4LJ, there are an average of 1.0 cars per household.
See below for how this compares to East Midlands and the rest of England & Wales.