423, Blackfen Road, Sidcup, DA15 9NN

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423  Blackfen Road

423 Blackfen RoadHouse Prices / London, Bexley, Blackfen Road, DA15 9NN

Last updated May 2026

Key Building Insights

423 Blackfen Road is a residential building situated on Blackfen Road, Sidcup, DA15 with 8 addresses.

It ranks as the 192nd largest and 29th most expensive of the 236 buildings in the DA15 area. The dominant property type is a modern flat built after 1980.

The building contains a total of 8 properties: 8 flats.

8
Properties
  • Flats

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House Pricesin 423 Blackfen Road

Sale prices range from £222,894 for 1 bedroom leasehold flats (387 ft2) to £285,828 for 2 bedroom leasehold flats (592 ft2) .

Monthly rental prices range from £1,175 pcm for 1 bed flats to £1,552 pcm for 2 bed flats.

The gross rental yield is between 6.3% and 6.5%.

The average value per square foot is £552.

Average Sale Value
£240,702
Average Rental Value
£1,274 pcm
Average Rental Yield
6.4% /year
Average Value Per Sqft
£552 /ft2
Prices last updated 1st May 2026
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Sales History
in 423, Blackfen Road, Sidcup, DA15 9NN

The last sale was on 25th April 2025 for £230,000 and since then the market in the area has increased by 0.9%. The building has had a total of 37 sales since 1995.

423, Blackfen Road, Sidcup, DA15 9NN has seen 1 sale in the last three years and no sales in the last twelve months.

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Property Typesin 423 Blackfen Road

  • 6 modern flats built after 1980
  • 1 flat of an unknown age
  • 1 other address of unknown type
  • modern flat (6)
  • flat (1)
  • Unknown (1)
Energy Efficiency

Energy Efficiencyof properties in 423 Blackfen Road

  • Energy Performance Certificate (EPC) surveys conducted for 6 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (1)
  • F (0)
  • C (3)
  • G (0)
  • D (2)
  • No EPC (2)
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Schools Nearby

Schools Nearbyto 423, Blackfen Road, Sidcup, DA15 9NN

The nearest primary school to 423, Blackfen Road, Sidcup, DA15 9NN is Sherwood Park Primary School which is 291 metres away.
  • 291
    m
    Sherwood Park Primary School
  • 964
    m
    Danson Primary School
  • 1.0
    km
    Days Lane Primary School
The nearest secondary school is Blackfen School for Girls which is 105 metres away.
  • 105
    m
    Blackfen School for Girls
  • 868
    m
    Bexley Grammar School
  • 1.2
    km
    Hurstmere School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto 423, Blackfen Road, Sidcup, DA15 9NN

The closest station to 423, Blackfen Road, Sidcup, DA15 9NN is Sidcup station which is 1.8 kilometres away.

  • 1.8
    km
    Sidcup
  • 1.8
    km
    Albany Park
  • 1.9
    km
    Welling
  • 2.1
    km
    Bexleyheath
Source: National Rail
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