NW3 4DX

Belsize Park - NW3 4DX

Last updated Jul 2026

Key Postcode Insights

NW3 4DX is a residential postcode situated on Belsize Park, London, NW3 with 50 addresses.

It ranks as the 1053rd largest and 468th most expensive of the 1,182 postcodes in the NW3 area. The most common property type is a period flat built between 1800 and 1911.

The postcode contains a total of 50 properties: 50 flats.

Ave. Sale Price
£893,966
10 Year change
down 7.3%
Ave. Rental Price
£3,191pcm
10 Year change
up 41.8%
Ave. £ per ft²
£1,128/ft²
Ave. Gross Yield
4.3%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin NW3 4DX

House
0 houses
Group
50 flats

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Sales History

The last sale was on 14th November 2025 for £670,000 and since then the market in the area has decreased by 0.1%. The postcode has had a total of 45 sales since 1995.

NW3 4DX has seen 2 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodes

NW3 4DX is the 1053rd largest and the 468th most expensive postcode out of the 1,182 postcodes in the NW3 area.

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Property Types

  • 43 period flats built between 1800 and 1911
  • 7 early-century flats built between 1912 and 1935
  • period flat (43)
  • early-century flat (7)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 34 properties.
  • The most common rating is C.
  • A (0)
  • E (4)
  • B (0)
  • F (0)
  • C (15)
  • G (0)
  • D (15)
  • No EPC (16)
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Schools Nearby

Schools Nearby

The nearest primary school to NW3 4DX is Holy Trinity CofE Primary School, NW3, which is 400 metres away.
  • Holy Trinity CofE Primary School, NW3
    400 m away
  • Rosary Catholic Primary School
    600 m away
  • Fitzjohn's Primary School
    700 m away
The nearest secondary school is The UCL Academy, which is 700 metres away.
  • The UCL Academy
    700 m away
  • Harris Academy St John's Wood
    1.1 km away
  • Haverstock School
    1.4 km away
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to NW3 4DX is Finchley Road station, which is 500 metres away.

  • Finchley Road
    |
    500 m away
  • Swiss Cottage
    |
    500 m away
  • Belsize Park
    |
    600 m away
  • Finchley Road & Frognal
    |
    700 m away
Source: TFL & National Rail