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Postcode sector · Southampton

Housing in SO18 4

What the homes in SO18 4 are, who owns them, how many people share them and what they rent for.

Council
Southampton
Region
South East
Population
10,308 (2024)
Property types

What homes look like here

The most common homes here are purpose-built flats (34.4%). Flats make up 39%, well above the 22.2% across England.

SO18 4England
Detached27.5%22.9%
Semi-detached27.8%31.5%
Terraced5.7%23%
Purpose-built flat34.4%17.1%
Flat in a converted or shared house3.9%3.5%
Flat in a commercial or converted building0.6%1.7%
Caravan or mobile home0%0.4%
Tenure

Owning vs renting

59.8% of households in SO18 4 own their home, broadly in line with the England average of 61.3%. Private renting makes up 23% of households, above the England figure of 20.5%. 27.9% own outright and 31.9% with a mortgage.

SO18 4
60%
23%
16%
England
  • Owned59.8%61.3%
  • Shared ownership0.9%1%
  • Private rented23%20.5%
  • Social rented16.2%17.1%
  • Lives rent free0.1%0.1%

By mortgage and landlord type

SO18 4England
Owned outright27.9%32.5%
With a mortgage or loan31.9%28.8%
From a private landlord or letting agent21.3%18.2%
Other private rented1.7%2.2%
From the council10.3%8.3%
From a housing association5.8%8.8%
Occupancy

How many people live in each home

The average home here has 2.3 people living in it. 31.9% of households are one person living alone, against 30.1% across England.

SO18 4England
0%
10%
20%
30%
40%
123456+
Households

Who lives together

The most common household is one person living alone aged under 66 (19.6%). 27.9% of households include dependent children.

SO18 4England
Living alone, under 6619.6%17.3%
Living alone, 66 and over12.4%12.8%
Couple, no children17.2%16.8%
Couple with dependent children19.2%18.9%
Couple with grown-up children5.9%6.3%
Lone parent with dependent children8.7%6.9%
Lone parent with grown-up children3.2%4.2%
Family, all aged 66 and over7.5%9.2%
Sharers and other households6.4%7.7%
Rents

Private rents in Southampton

Average monthly rent for a new or renewed tenancy in Southampton (August 2026, +3.4% on a year earlier). ONS publishes rent figures at council level rather than by neighbourhood.

SouthamptonEngland
All homes£1,257£1,459
One bedroom£881£1,195
Two bedrooms£1,114£1,335
Three bedrooms£1,357£1,489
Four or more£1,890£2,161
Detached£1,616£1,640
Semi-detached£1,424£1,449
Terraced£1,329£1,435
Flat or maisonette£1,000£1,444

Source: Census 2021, Office for National Statistics. Population: ONS mid-year estimates. Open Government Licence v3.0. Rents: ONS Price Index of Private Rents.

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