SE23 3UW

SE23 3UWHouse Prices / London, Lewisham, Grassmount

Last updated May 2026

Key Postcode Insights

SE23 3UW is a residential postcode situated on Grassmount, London, SE23 with 31 addresses.

It ranks as the 391st largest and 524th most expensive of the 591 postcodes in the SE23 area. The dominant property type is a mid-century house built between 1936 and 1979.

The postcode contains a total of 31 properties: 29 houses and 2 flats.

31
Properties
  • Houses
  • Flats

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House Pricesin SE23 3UW

Sale prices range from £496,595 for 3 bedroom Leasehold flats (850 ft2) to £892,520 for 4 bedroom freehold houses with a garden (1,334 ft2) .

Monthly rental prices range from £2,187 pcm for 3 bed flats to £3,328 pcm for 4 bed houses.

The gross rental yield is between 4.4% and 5.3%.

The average value per square foot is £686.

Average Sale Value
£817,034
Average Rental Value
£3,075 pcm
Average Rental Yield
4.5% /year
Average Value Per Sqft
£686 /ft2
Prices last updated 1st May 2026
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Sales History
in SE23 3UW

The last sale was on 9th September 2024 for £755,000 and since then the market in the area has increased by 3.2%. The postcode has had a total of 43 sales since 1995.

SE23 3UW has seen 3 sales in the last three years and no sales in the last twelve months.

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Nearby Postcodesto SE23 3UW

SE23 3UW is the 391st largest and the 524th most expensive postcode out of the 591 postcodes in the SE23 area.

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Property Typesin SE23 3UW

  • 15 mid-century houses built between 1936 and 1979
  • 1 mid-century flat built between 1936 and 1979
  • 4 houses of an unknown age
  • 11 other addresses of unknown type
  • mid-century house (15)
  • mid-century flat (1)
  • house (4)
  • Unknown (11)
Energy Efficiency

Energy Efficiencyof properties in SE23 3UW

  • Energy Performance Certificate (EPC) surveys conducted for 16 properties.
  • The dominant rating is C.
  • A (0)
  • E (3)
  • B (0)
  • F (0)
  • C (8)
  • G (0)
  • D (5)
  • No EPC (15)
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Schools Nearby

Schools Nearbyto SE23 3UW

The nearest primary school to SE23 3UW is Eliot Bank Primary School which is 244 metres away.
  • 244
    m
    Eliot Bank Primary School
  • 441
    m
    Holy Trinity Church of England Primary School
  • 546
    m
    Horniman Primary School
The nearest secondary school is Sydenham School which is 522 metres away.
  • 522
    m
    Sydenham School
  • 1.1
    km
    Forest Hill School
  • 1.9
    km
    Kingsdale Foundation School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SE23 3UW

The closest station to SE23 3UW is Forest Hill station which is 500 metres away.

  • 454
    m
    Forest Hill
  • 1.3
    km
    Sydenham
  • 1.4
    km
    Sydenham (London)
  • 1.6
    km
    Honor Oak Park
Source: TFL & National Rail
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