SE23 3AJ

SE23 3AJHouse Prices / London, Lewisham, Sydmons Court

Last updated May 2026

Key Postcode Insights

SE23 3AJ is a residential postcode situated on Sydmons Court, London, SE23 with 14 addresses.

It ranks as the 173rd largest and 238th most expensive of the 591 postcodes in the SE23 area. The dominant property type is a mid-century flat built between 1936 and 1979.

The postcode contains a total of 14 properties: 2 houses and 12 flats.

14
Properties
  • Houses
  • Flats

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House Pricesin SE23 3AJ

Sale prices range from £394,525 for 2 bedroom leasehold flats (592 ft2) to £777,904 for 3 bedroom freehold houses with a garden (967 ft2) .

Monthly rental prices range from £1,761 pcm for 2 bed flats to £2,830 pcm for 3 bed houses.

The gross rental yield is between 4.4% and 5.4%.

The average value per square foot is £626.

Average Sale Value
£483,484
Average Rental Value
£2,041 pcm
Average Rental Yield
5.1% /year
Average Value Per Sqft
£626 /ft2
Prices last updated 1st May 2026
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Sales History
in SE23 3AJ

The last sale was on 13th October 2025 for £500,000 and since then the market in the area has increased by 3.3%. The postcode has had a total of 27 sales since 1995.

SE23 3AJ has seen 2 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodesto SE23 3AJ

SE23 3AJ is the 173rd largest and the 238th most expensive postcode out of the 591 postcodes in the SE23 area.

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Property Typesin SE23 3AJ

  • 1 mid-century house built between 1936 and 1979
  • 9 mid-century flats built between 1936 and 1979
  • 1 house of an unknown age
  • 2 flats of an unknown age
  • 1 other address of unknown type
  • mid-century house (1)
  • mid-century flat (9)
  • house (1)
  • flat (2)
  • Unknown (1)
Energy Efficiency

Energy Efficiencyof properties in SE23 3AJ

  • Energy Performance Certificate (EPC) surveys conducted for 11 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (6)
  • G (0)
  • D (5)
  • No EPC (3)
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Schools Nearby

Schools Nearbyto SE23 3AJ

The nearest primary school to SE23 3AJ is Fairlawn Primary School which is 129 metres away.
  • 129
    m
    Fairlawn Primary School
  • 459
    m
    Horniman Primary School
  • 862
    m
    Goodrich Community Primary School
The nearest secondary school is Harris Girls' Academy East Dulwich which is 1.1 kilometres away.
  • 1.1
    km
    Harris Girls' Academy East Dulwich
  • 1.2
    km
    Harris Boys' Academy East Dulwich
  • 1.5
    km
    Sydenham School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SE23 3AJ

The closest station to SE23 3AJ is Honor Oak Park station which is 800 metres away.

  • 810
    m
    Honor Oak Park
  • 915
    m
    Forest Hill
  • 1.6
    km
    Crofton Park
Source: TFL & National Rail
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