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SO18 1TY
Castle Road, Southampton, South East
SO18 1TY

SO18 1TYHouse Prices / South East, Southampton, Castle Road

Last updated May 2026

Key Postcode Insights

SO18 1TY is a residential postcode situated on Castle Road, Southampton, SO18 with 9 addresses.

It ranks as the 213th largest and 157th most expensive of the 864 postcodes in the SO18 area. The dominant property type is a mid-century flat built between 1936 and 1979.

The postcode contains a total of 9 properties: 9 flats.

9
Properties
  • Flats

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House Pricesin SO18 1TY

Sale prices range from £138,039 for 2 bedroom leasehold flats (516 ft2) to £159,202 for 2 bedroom leasehold flats (699 ft2) .

Monthly rental prices range from £898 pcm for 2 bed flats to £975 pcm for 2 bed flats.

The gross rental yield is between 7.3% and 7.8%.

The average value per square foot is £246.

Average Sale Value
£149,390
Average Rental Value
£940 pcm
Average Rental Yield
7.6% /year
Average Value Per Sqft
£246 /ft2
Prices last updated 1st May 2026
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Sales Market Trendsin SO18 1TY

The last sale in SO18 1TY sold for £173,000 on 17th March 2026. Since then prices are up an average of 0.7%.

The current average value in the postcode is £149,390.
The SO18 1TY Sales Market has increased by 9.1% over the last 10 years.

PeriodYear on YearAverage Price
April 2026-6%£149,390
April 20250.7%£158,965
April 2024-1.7%£157,791
April 20232.7%£160,581
April 20225.8%£156,308
April 20211.8%£147,799
April 20201.4%£145,215
April 20190.1%£143,252
April 20180.4%£143,131
April 20174.1%£142,536
April 20166.5%£136,921
April 20157.7%£128,505
April 20146.8%£119,285
April 20130.7%£111,669
April 2012-0.7%£110,862
April 2011-1.8%£111,671
April 20105.6%£113,662
April 2009-13%£107,597
April 2008-0.1%£123,696
April 20070%£123,865
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Rental Market Trendsin SO18 1TY

The current average rental value in the postcode is £940.
The SO18 1TY Rental Market has increased by 31.5% over the last 10 years.

PeriodYear on YearAverage Price
April 20261.8%£940pcm
April 20251.9%£923pcm
April 20248.4%£906pcm
April 20238.1%£836pcm
April 20224.3%£773pcm
April 20214%£741pcm
April 20202.7%£713pcm
April 2019-0.4%£694pcm
April 2018-1%£697pcm
April 2017-1.5%£704pcm
April 20162.9%£715pcm
April 20154.4%£695pcm
April 20141.7%£666pcm
April 20131.4%£654pcm
April 20120.9%£645pcm
April 20110.6%£640pcm
April 20105.5%£636pcm
April 2009-4%£603pcm
April 20080.9%£628pcm
April 20070%£623pcm
Properties list background

Explore Buildingsin SO18 1TY, Castle Road, Southampton, SO18

properties list title title

Sales History
in SO18 1TY

The last sale was on 17th March 2026 for £173,000 and since then the market in the area has increased by 0.7%. The postcode has had a total of 20 sales since 1995.

SO18 1TY has seen 3 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodesto SO18 1TY

SO18 1TY is the 213th largest and the 157th most expensive postcode out of the 864 postcodes in the SO18 area.

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Agent here!

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Property Typesin SO18 1TY

  • 9 mid-century flats built between 1936 and 1979
  • mid-century flat (9)
Energy Efficiency

Energy Efficiencyof properties in SO18 1TY

  • Energy Performance Certificate (EPC) surveys conducted for 7 properties.
  • The dominant rating is D.
  • A (0)
  • E (3)
  • B (0)
  • F (1)
  • C (0)
  • G (0)
  • D (3)
  • No EPC (2)
properties list title title

Top 3 Most Expensive Saleson Castle Road

Schools Nearby

Schools Nearbyto SO18 1TY

The nearest primary school to SO18 1TY is Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools which is 635 metres away.
  • 635
    m
    Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools
  • 811
    m
    Townhill Junior School
  • 840
    m
    Townhill Infant School
The nearest secondary school is Bitterne Park School which is 209 metres away.
  • 209
    m
    Bitterne Park School
  • 2.2
    km
    Saint George Catholic Voluntary Aided College Southampton
  • 2.3
    km
    Woodlands Community College
More reading links
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Schools and house prices
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SO18 1TY

The closest station to SO18 1TY is Bitterne station which is 1.3 kilometres away.

  • 1.3
    km
    Bitterne
  • 1.5
    km
    Swaythling
  • 1.6
    km
    St Denys
  • 2.5
    km
    Southampton Airport Parkway
Source: National Rail


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