TW15 3BY

TW15 3BYHouse Prices / South East, Spelthorne, Dorset Road

Last updated May 2026

Key Postcode Insights

TW15 3BY is a residential postcode situated on Dorset Road, Ashford, TW15 with 33 addresses.

It ranks as the 534th largest and 479th most expensive of the 628 postcodes in the TW15 area. The dominant property type is a early-century house built between 1912 and 1935.

The postcode contains a total of 33 properties: 33 houses.

33
Properties
  • Houses

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House Pricesin TW15 3BY

Sale prices range from £374,753 for 2 bedroom freehold houses with a garden (559 ft2) to £702,107 for 5 bedroom freehold houses with a garden (1,765 ft2) .

Monthly rental prices range from £1,551 pcm for 2 bed houses to £2,644 pcm for 5 bed houses.

The gross rental yield is between 4.5% and 5.5%.

The average value per square foot is £517.

Average Sale Value
£508,591
Average Rental Value
£2,047 pcm
Average Rental Yield
4.8% /year
Average Value Per Sqft
£517 /ft2
Prices last updated 1st May 2026
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Explore Propertiesin TW15 3BY, Dorset Road, Ashford, TW15

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Sales History
in TW15 3BY

The last sale was on 18th October 2024 for £435,000 and since then the market in the area has decreased by 1.6%. The postcode has had a total of 41 sales since 1995.

TW15 3BY has seen 2 sales in the last three years and no sales in the last twelve months.

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Nearby Postcodesto TW15 3BY

TW15 3BY is the 534th largest and the 479th most expensive postcode out of the 628 postcodes in the TW15 area.

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Property Typesin TW15 3BY

  • 1 mid-century house built between 1936 and 1979
  • 6 houses of an unknown age
  • 12 early-century houses built between 1912 and 1935
  • 14 other addresses of unknown type
  • mid-century house (1)
  • house (6)
  • early-century house (12)
  • Unknown (14)
Energy Efficiency

Energy Efficiencyof properties in TW15 3BY

  • Energy Performance Certificate (EPC) surveys conducted for 13 properties.
  • The dominant rating is D.
  • A (0)
  • E (1)
  • B (0)
  • F (1)
  • C (1)
  • G (0)
  • D (10)
  • No EPC (20)
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Schools Nearby

Schools Nearbyto TW15 3BY

The nearest primary school to TW15 3BY is Ashford Park Primary School which is 278 metres away.
  • 278
    m
    Ashford Park Primary School
  • 753
    m
    Clarendon Primary School
  • 1.5
    km
    St Michael Catholic Primary School & Nursery
The nearest secondary school is Thomas Knyvett College which is 326 metres away.
  • 326
    m
    Thomas Knyvett College
  • 1.6
    km
    The Matthew Arnold School
  • 3.4
    km
    The Magna Carta School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto TW15 3BY

The closest station to TW15 3BY is Ashford (Surrey) station which is 600 metres away.

  • 599
    m
    Ashford (Surrey)
  • 2.0
    km
    Staines
  • 3.1
    km
    Heathrow Terminal 4 (Rail Station Only)
  • 3.1
    km
    Heathrow Terminal 4
Source: TFL & National Rail
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