NW3 4BL

NW3 4BLHouse Prices / London, Camden, Belsize Avenue

Last updated May 2026

Key Postcode Insights

NW3 4BL is a residential postcode situated on Belsize Avenue, London, NW3 with 113 addresses.

It ranks as the 1181st largest and 240th most expensive of the 1,185 postcodes in the NW3 area. The dominant property type is a period flat built between 1800 and 1911.

The postcode contains a total of 113 properties: 1 house and 112 flats.

113
Properties
  • Houses
  • Flats

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House Pricesin NW3 4BL

Sale prices range from £203,716 for studio leasehold flats (139 ft2) to £5,686,310 for 6 bedroom freehold houses with a garden (3,648 ft2) .

Monthly rental prices range from £760 pcm for studio flats to £15,110 pcm for 6 bed houses.

The gross rental yield is between 3.2% and 5.6%.

The average value per square foot is £1,064.

Average Sale Value
£810,374
Average Rental Value
£3,036 pcm
Average Rental Yield
4.5% /year
Average Value Per Sqft
£1,064 /ft2
Prices last updated 1st May 2026
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Sales History
in NW3 4BL

The last sale was on 14th November 2025 for £780,000 and since then the market in the area has increased by 2.3%. The postcode has had a total of 128 sales since 1995.

NW3 4BL has seen 9 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodesto NW3 4BL

NW3 4BL is the 1181st largest and the 240th most expensive postcode out of the 1,185 postcodes in the NW3 area.

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Property Typesin NW3 4BL

  • 84 period flats built between 1800 and 1911
  • 28 mid-century flats built between 1936 and 1979
  • 1 other address of unknown type
  • period flat (84)
  • mid-century flat (28)
  • Unknown (1)
Energy Efficiency

Energy Efficiencyof properties in NW3 4BL

  • Energy Performance Certificate (EPC) surveys conducted for 74 properties.
  • The dominant rating is C.
  • A (0)
  • E (2)
  • B (0)
  • F (0)
  • C (36)
  • G (0)
  • D (36)
  • No EPC (39)
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Schools Nearby

Schools Nearbyto NW3 4BL

The nearest primary school to NW3 4BL is Rosary Catholic Primary School which is 375 metres away.
  • 375
    m
    Rosary Catholic Primary School
  • 590
    m
    Fitzjohn's Primary School
  • 650
    m
    Holy Trinity CofE Primary School, NW3
The nearest secondary school is The UCL Academy which is 883 metres away.
  • 883
    m
    The UCL Academy
  • 1.3
    km
    Haverstock School
  • 1.4
    km
    Harris Academy St John's Wood
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto NW3 4BL

The closest station to NW3 4BL is Belsize Park station which is 400 metres away.

  • 407
    m
    Belsize Park
  • 711
    m
    Finchley Road
  • 730
    m
    Hampstead Heath
  • 744
    m
    Swiss Cottage
Source: TFL & National Rail
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