NN1 3JL

Key Postcode Insights

NN1 3JL is a residential postcode situated on Overstone Road, Northampton, NN1 with 24 addresses.

It ranks as the 333rd largest and 390th 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 24 properties: 18 houses and 6 flats.

24
Properties
  • Houses
  • Flats

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House Pricesin NN1 3JL

Sale prices range from £82,836 for 1 bedroom leasehold flats with a garden (430 ft2) to £212,562 for 3 bedroom freehold houses with a garden (1,022 ft2) .

Monthly rental prices range from £553 pcm for 1 bed flats to £983 pcm for 3 bed houses.

The gross rental yield is between 5.5% and 8.1%.

The average value per square foot is £218.

Average Sale Value
£172,595
Average Rental Value
£864 pcm
Average Rental Yield
6.0% /year
Average Value Per Sqft
£218 /ft2
Prices last updated 1st May 2026
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Sales History
in NN1 3JL

The last sale was on 19th December 2025 for £200,000 and since then the market in the area has increased by 2.1%. The postcode has had a total of 48 sales since 1995.

NN1 3JL has seen 4 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodesto NN1 3JL

NN1 3JL is the 333rd largest and the 390th most expensive postcode out of the 638 postcodes in the NN1 area.

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Property Typesin NN1 3JL

  • 15 period houses built between 1800 and 1911
  • 6 period flats built between 1800 and 1911
  • 1 house of an unknown age
  • 2 other addresses of unknown type
  • period house (15)
  • period flat (6)
  • house (1)
  • Unknown (2)
Energy Efficiency

Energy Efficiencyof properties in NN1 3JL

  • Energy Performance Certificate (EPC) surveys conducted for 19 properties.
  • The dominant rating is D.
  • A (0)
  • E (2)
  • B (0)
  • F (0)
  • C (4)
  • G (0)
  • D (13)
  • No EPC (5)
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Schools Nearby

Schools Nearbyto NN1 3JL

The nearest primary school to NN1 3JL is Castle Academy which is 633 metres away.
  • 633
    m
    Castle Academy
  • 816
    m
    Vernon Terrace Primary School
  • 936
    m
    Spring Lane Primary School
The nearest secondary school is Malcolm Arnold Academy which is 1.3 kilometres away.
  • 1.3
    km
    Malcolm Arnold Academy
  • 1.6
    km
    Northampton School for Boys
  • 2.7
    km
    Northampton School for Girls
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto NN1 3JL

The closest station to NN1 3JL is Northampton station which is 1.3 kilometres away.

  • 1.3
    km
    Northampton
  • 14.6
    km
    Long Buckby
  • 16.0
    km
    Wellingborough
  • 19.9
    km
    Kettering
Source: National Rail
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