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38  Onslow Square

38 Onslow SquareHouse Prices / London, Kensington and Chelsea, Onslow Square, SW7 3NS

Last updated May 2026

Key Building Insights

38 Onslow Square is a residential building situated on Onslow Square, London, SW7 with 8 addresses.

It ranks as the 853rd largest and 1141st most expensive of the 1,228 buildings in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.

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

8
Properties
  • Flats

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House Pricesin 38 Onslow Square

Sale prices range from £2,050,787 for 2 bedroom leasehold flats (839 ft2) to £3,734,183 for 3 bedroom leasehold flats (1,506 ft2) .

Monthly rental prices range from £5,952 pcm for 2 bed flats to £10,308 pcm for 3 bed flats.

The gross rental yield is between 3.3% and 3.5%.

The average value per square foot is £2,483.

Average Sale Value
£3,026,326
Average Rental Value
£8,604 pcm
Average Rental Yield
3.4% /year
Average Value Per Sqft
£2,483 /ft2
Prices last updated 1st May 2026
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Sales History
in 38, Onslow Square, London, SW7 3NS

The last sale was on 21st May 2020 for £6,700,000 and since then the market in the area has decreased by 7.7%. The building has had a total of 13 sales since 1995.

38, Onslow Square, London, SW7 3NS has seen no sales in the last three years and no sales in the last twelve months.

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Property Typesin 38 Onslow Square

  • 5 period flats built between 1800 and 1911
  • 1 flat of an unknown age
  • 2 other addresses of unknown type
  • period flat (5)
  • flat (1)
  • Unknown (2)
Energy Efficiency

Energy Efficiencyof properties in 38 Onslow Square

  • Energy Performance Certificate (EPC) surveys conducted for 5 properties.
  • The dominant rating is D.
  • A (0)
  • E (1)
  • B (0)
  • F (0)
  • C (1)
  • G (0)
  • D (3)
  • No EPC (3)
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Schools Nearby

Schools Nearbyto 38, Onslow Square, London, SW7 3NS

The nearest primary school to 38, Onslow Square, London, SW7 3NS is Oratory Roman Catholic Primary School which is 269 metres away.
  • 269
    m
    Oratory Roman Catholic Primary School
  • 431
    m
    Our Lady of Victories RC Primary School
  • 525
    m
    Marlborough Primary School
The nearest secondary school is St. Thomas More Language College which is 794 metres away.
  • 794
    m
    St. Thomas More Language College
  • 1.7
    km
    Chelsea Academy
  • 1.8
    km
    The London Oratory School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto 38, Onslow Square, London, SW7 3NS

The closest station to 38, Onslow Square, London, SW7 3NS is South Kensington station which is 300 metres away.

  • 267
    m
    South Kensington
  • 696
    m
    Gloucester Road
  • 1.2
    km
    Sloane Square
  • 1.2
    km
    Knightsbridge
Source: TfL
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