NN1 4JG

Key Postcode Insights

NN1 4JG is a residential postcode situated on St. Michaels Mount, Northampton, NN1 with 34 addresses.

It ranks as the 420th largest and 516th 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 34 properties: 29 houses and 5 flats.

34
Properties
  • Houses
  • Flats

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House Pricesin NN1 4JG

Sale prices range from £98,207 for 1 bedroom leasehold flats (473 ft2) to £313,112 for 5 bedroom freehold houses with a garden (2,077 ft2) .

Monthly rental prices range from £494 pcm for 1 bed flats to £1,338 pcm for 5 bed houses.

The gross rental yield is between 5.0% and 8.0%.

The average value per square foot is £180.

Average Sale Value
£225,561
Average Rental Value
£1,021 pcm
Average Rental Yield
5.4% /year
Average Value Per Sqft
£180 /ft2
Prices last updated 1st May 2026
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Properties and Buildingsin NN1 4JG, St. Michaels Mount, Northampton, NN1

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Sales History
in NN1 4JG

The last sale was on 16th July 2024 for £300,000 and since then the market in the area has increased by 1.0%. The postcode has had a total of 52 sales since 1995.

NN1 4JG has seen 1 sale in the last three years and no sales in the last twelve months.

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Nearby Postcodesto NN1 4JG

NN1 4JG is the 420th largest and the 516th most expensive postcode out of the 638 postcodes in the NN1 area.

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Property Typesin NN1 4JG

  • 19 period houses built between 1800 and 1911
  • 5 period flats built between 1800 and 1911
  • 1 modern flat built after 1980
  • 1 house of an unknown age
  • 8 other addresses of unknown type
  • period house (19)
  • period flat (5)
  • modern flat (1)
  • house (1)
  • Unknown (8)
Energy Efficiency

Energy Efficiencyof properties in NN1 4JG

  • Energy Performance Certificate (EPC) surveys conducted for 24 properties.
  • The dominant rating is D.
  • A (0)
  • E (8)
  • B (0)
  • F (0)
  • C (7)
  • G (0)
  • D (9)
  • No EPC (10)
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Schools Nearby

Schools Nearbyto NN1 4JG

The nearest primary school to NN1 4JG is Stimpson Avenue Academy which is 338 metres away.
  • 338
    m
    Stimpson Avenue Academy
  • 598
    m
    Barry Primary School
  • 652
    m
    Vernon Terrace Primary School
The nearest secondary school is Northampton School for Boys which is 1.1 kilometres away.
  • 1.1
    km
    Northampton School for Boys
  • 1.3
    km
    Malcolm Arnold Academy
  • 2.4
    km
    Northampton School for Girls
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto NN1 4JG

The closest station to NN1 4JG is Northampton station which is 1.9 kilometres away.

  • 1.9
    km
    Northampton
  • 15.0
    km
    Long Buckby
  • 15.4
    km
    Wellingborough
  • 19.4
    km
    Kettering
Source: National Rail
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