NW9 4BJ

NW9 4BJHouse Prices / London, Barnet, Observer Close

Last updated May 2026

Key Postcode Insights

NW9 4BJ is a residential postcode situated on Observer Close, London, NW9 with 25 addresses.

It ranks as the 811th largest and 655th most expensive of the 1,346 postcodes in the NW9 area. The dominant property type is a modern flat built after 1980.

The postcode contains a total of 25 properties: 25 flats.

25
Properties
  • Flats

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House Pricesin NW9 4BJ

Sale prices range from £319,930 for 1 bedroom leasehold flats with a balcony (505 ft2) to £436,773 for 3 bedroom leasehold flats with a balcony (807 ft2) .

Monthly rental prices range from £1,705 pcm for 1 bed flats to £2,334 pcm for 3 bed flats.

The gross rental yield is between 6.2% and 6.6%.

The average value per square foot is £546.

Average Sale Value
£391,188
Average Rental Value
£2,074 pcm
Average Rental Yield
6.4% /year
Average Value Per Sqft
£546 /ft2
Prices last updated 1st May 2026
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Explore Buildingsin NW9 4BJ, Observer Close, London, NW9

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Sales History
in NW9 4BJ

The last sale was on 7th July 2025 for £435,000 and since then the market in the area has decreased by 1.2%. The postcode has had a total of 30 sales since 1995.

NW9 4BJ has seen 2 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodesto NW9 4BJ

NW9 4BJ is the 811th largest and the 655th most expensive postcode out of the 1,346 postcodes in the NW9 area.

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Property Typesin NW9 4BJ

  • 25 modern flats built after 1980
  • modern flat (25)
Energy Efficiency

Energy Efficiencyof properties in NW9 4BJ

  • Energy Performance Certificate (EPC) surveys conducted for 25 properties.
  • The dominant rating is B.
  • A (0)
  • E (0)
  • B (23)
  • F (0)
  • C (2)
  • G (0)
  • D (0)
  • No EPC (0)
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Schools Nearby

Schools Nearbyto NW9 4BJ

The nearest primary school to NW9 4BJ is Beis Yaakov Primary School which is 537 metres away.
  • 537
    m
    Beis Yaakov Primary School
  • 556
    m
    Colindale Primary School
  • 1.1
    km
    Blessed Dominic Catholic Primary School
The nearest secondary school is Saracens High School which is 832 metres away.
  • 832
    m
    Saracens High School
  • 1.1
    km
    St James' Catholic High School
  • 1.6
    km
    Hasmonean High School for Girls
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto NW9 4BJ

The closest station to NW9 4BJ is Colindale station which is 200 metres away.

  • 224
    m
    Colindale
  • 1.4
    km
    Burnt Oak
  • 1.7
    km
    Hendon
  • 2.0
    km
    Hendon Central
Source: TFL & National Rail