Bricks&Logic
SO18 1TU
Castle Road, Southampton, South East
SO18 1TU

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

Last updated May 2026

Key Postcode Insights

SO18 1TU is a residential postcode situated on Castle Road, Southampton, SO18 with 6 addresses.

It ranks as the 120th largest and 45th 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 6 properties: 6 flats.

6
Properties
  • Flats

Our partners and
data sources

Our partners and data sources
Get a Fast Offer
for your property
Blog header image

House Pricesin SO18 1TU

Sale prices range from £109,370 for 1 bedroom leasehold flats (398 ft2) to £116,591 for 1 bedroom leasehold flats (398 ft2) .

Monthly rental prices range from £718 pcm for 1 bed flats to £786 pcm for 1 bed flats.

The gross rental yield is between 7.9% and 8.1%.

The average value per square foot is £293.

Average Sale Value
£114,345
Average Rental Value
£768 pcm
Average Rental Yield
8.1% /year
Average Value Per Sqft
£293 /ft2
Prices last updated 1st May 2026
Blog header image

Sales Market Trendsin SO18 1TU

The last sale in SO18 1TU sold for £124,000 on 3rd September 2025. Since then prices are down an average of 1.0%.

The current average value in the postcode is £114,345.
The SO18 1TU Sales Market has increased by 10.7% over the last 10 years.

PeriodYear on YearAverage Price
April 2026-5.7%£114,345
April 20250.8%£121,252
April 2024-1.7%£120,299
April 20232.7%£122,431
April 20225.9%£119,180
April 20212.1%£112,491
April 20201.7%£110,221
April 20190%£108,343
April 20180.6%£108,322
April 20174.2%£107,664
April 20166.2%£103,339
April 20158%£97,307
April 20146.7%£90,138
April 20131.1%£84,474
April 2012-1.4%£83,568
April 2011-1.2%£84,786
April 20105.4%£85,806
April 2009-13.5%£81,410
April 2008-0.9%£94,081
April 20070%£94,910
Blog header image

Rental Market Trendsin SO18 1TU

The current average rental value in the postcode is £768.
The SO18 1TU Rental Market has increased by 33.3% over the last 10 years.

PeriodYear on YearAverage Price
April 20262.2%£768pcm
April 20252%£752pcm
April 20248.4%£737pcm
April 20238.1%£680pcm
April 20224.5%£629pcm
April 20214.2%£602pcm
April 20203%£578pcm
April 2019-0.5%£561pcm
April 2018-0.8%£564pcm
April 2017-1.4%£568pcm
April 20162.6%£576pcm
April 20154.5%£562pcm
April 20141.6%£538pcm
April 20131.7%£529pcm
April 20120.2%£521pcm
April 20111.1%£520pcm
April 20105.2%£514pcm
April 2009-4.4%£489pcm
April 20080.1%£511pcm
April 20070%£511pcm
Properties list background

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

properties list title title

Sales History
in SO18 1TU

The last sale was on 3rd September 2025 for £124,000 and since then the market in the area has decreased by 1.0%. The postcode has had a total of 14 sales since 1995.

SO18 1TU has seen 1 sale in the last three years and 1 sale in the last twelve months.

Latest from Bricks&Logic

View all blog articles
May 2026 market update from Bricks&Logic
May 2026 market update from Bricks&Logic
MAY-26
How Many Landlords Earn Over £50,000 Per Year?
How Many Landlords Earn Over £50,000 Per Year?
FEB-26
How many houses in the UK are worth over £2m?
How many houses in the UK are worth over £2m?
JAN-26
Leasehold vs Freehold: what are the differences?
Leasehold vs Freehold: what are the differences?
DEC-25
EPC rating meaning and how to improve EPC ratings
EPC rating meaning and how to improve EPC ratings
DEC-25
Property portfolio: how to build a property portfolio
Property portfolio: how to build a property portfolio
NOV-25
...
properties list title title

Nearby Postcodesto SO18 1TU

SO18 1TU is the 120th largest and the 45th most expensive postcode out of the 864 postcodes in the SO18 area.

Be the first Estate
Agent here!

properties list title title

Property Typesin SO18 1TU

  • 6 mid-century flats built between 1936 and 1979
  • mid-century flat (6)
Energy Efficiency

Energy Efficiencyof properties in SO18 1TU

  • Energy Performance Certificate (EPC) surveys conducted for 5 properties.
  • The dominant rating is C.
  • A (0)
  • E (2)
  • B (0)
  • F (0)
  • C (2)
  • G (0)
  • D (1)
  • No EPC (1)
properties list title title

Top 3 Most Expensive Saleson Castle Road

Schools Nearby

Schools Nearbyto SO18 1TU

The nearest primary school to SO18 1TU is Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools which is 653 metres away.
  • 653
    m
    Bitterne Park Primary & Nursery School - Part of the Learning Federation Partnership of Schools
  • 803
    m
    Townhill Junior School
  • 830
    m
    Townhill Infant School
The nearest secondary school is Bitterne Park School which is 230 metres away.
  • 230
    m
    Bitterne Park School
  • 2.2
    km
    Saint George Catholic Voluntary Aided College Southampton
  • 2.3
    km
    Woodlands Community College
More reading links
Blog Icon
Schools and house prices
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SO18 1TU

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

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


Footer - Stay up to date image

Stay up to date

Follow us

© 2026 Bricks&Logic
Please read our Terms and Privacy Policy.
We also use Cookies.
Version 1.40.8
Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA