51  Castle Street

51 Castle StreetHouse Prices / East Midlands, West Northamptonshire, Castle Street, NN1 2RS

Last updated Jun 2026

Key Building Insights

51 Castle Street is a residential building situated on Castle Street, Northampton, NN1 with 5 addresses.

It ranks as the 707th largest and 865th most expensive of the 998 buildings in the NN1 area. The dominant property type is a modern flat built after 1980.

The building contains a total of 5 properties: 5 flats.

5
Properties
  • Flats

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House Pricesin 51 Castle Street

Sale prices range from £131,091 for 2 bedroom Leasehold flats (731 ft2) to £174,278 for 3 bedroom Leasehold flats (828 ft2) .

Monthly rental prices range from £833 pcm for 2 bed flats to £1,037 pcm for 3 bed flats.

The gross rental yield is between 7.1% and 7.6%.

The average value per square foot is £210.

Average Sale Value
£165,641
Average Rental Value
£996 pcm
Average Rental Yield
7.2% /year
Average Value Per Sqft
£210 /ft2
Prices last updated 1st June 2026
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properties list title title

Property Typesin 51 Castle Street

  • 5 modern flats built after 1980
  • modern flat (5)
Energy Efficiency

Energy Efficiencyof properties in 51 Castle Street

  • Energy Performance Certificate (EPC) surveys conducted for 5 properties.
  • The dominant rating is B.
  • A (0)
  • E (0)
  • B (3)
  • F (0)
  • C (2)
  • G (0)
  • D (0)
  • No EPC (0)
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Schools Nearby

Schools Nearby

The nearest primary school to 51, Castle Street, Northampton, NN1 2RS is Spring Lane Primary School, which is 200 metres away.
  • 200
    m
    Spring Lane Primary School
  • 600
    m
    Castle Academy
  • 1.0
    km
    St James Church of England Primary School
The nearest secondary school is Malcolm Arnold Academy, which is 1.9 kilometres away.
  • 1.9
    km
    Malcolm Arnold Academy
  • 2.4
    km
    Northampton School for Boys
  • 2.5
    km
    Abbeyfield School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to 51, Castle Street, Northampton, NN1 2RS is Northampton station, which is 300 metres away.

  • 300
    m
    Northampton
  • 14.0
    km
    Long Buckby
  • 17.0
    km
    Wellingborough
  • 20.3
    km
    Wolverton
Source: National Rail
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