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Housing in BN3 5SU

What the homes in BN3 5SU are, who owns them, how many people share them and what they rent for.

Neighbourhood
Portslade by Sea
Council
Brighton and Hove
Region
South East
Neighbourhood population
1,672 (2024)
Property types

What homes look like here

Most homes here are semi-detached (44.2%). Flats make up 38.3%, well above the 22.2% across England.

BN3 5SUEngland
Detached12.3%22.9%
Semi-detached44.2%31.5%
Terraced5.1%23%
Purpose-built flat19.7%17.1%
Flat in a converted or shared house16.4%3.5%
Flat in a commercial or converted building2.3%1.7%
Caravan or mobile home0%0.4%
Tenure

Owning vs renting

Across England, 61.3% of households own their home; the BN3 5SU area is above that, at 71.7%. The private rented sector is above the national picture, at 25.6% of households against 20.5%. 33.9% own outright and 37.8% with a mortgage.

BN3 5SU
72%
26%
England
  • Owned71.7%61.3%
  • Shared ownership0.2%1%
  • Private rented25.6%20.5%
  • Social rented2.6%17.1%
  • Lives rent free0%0.1%

Who owns, who rents from whom

BN3 5SUEngland
Owned outright33.9%32.5%
With a mortgage or loan37.8%28.8%
From a private landlord or letting agent23.5%18.2%
Other private rented2.1%2.2%
From the council1.4%8.3%
From a housing association1.2%8.8%
Occupancy

How many people live in each home

The average home here has 2.4 people living in it. 29.1% of households are one person living alone, against 30.1% across England.

BN3 5SUEngland
0%
10%
20%
30%
40%
123456+
Households

Who lives together

The most common household is couple with dependent children, at 27.5%. 32.6% of households include dependent children.

BN3 5SUEngland
Living alone, under 6617.9%17.3%
Living alone, 66 and over11.3%12.8%
Couple, no children16.2%16.8%
Couple with dependent children27.5%18.9%
Couple with grown-up children4.1%6.3%
Lone parent with dependent children5.1%6.9%
Lone parent with grown-up children2.9%4.2%
Family, all aged 66 and over6.5%9.2%
Sharers and other households8.7%7.7%
Rents

Private rents in Brighton and Hove

Average monthly rent for a new or renewed tenancy in Brighton and Hove, August 2026, −1.2% on a year earlier. Published by council, not by neighbourhood.

Brighton and HoveEngland
All homes£1,808£1,459
One bedroom£1,189£1,195
Two bedrooms£1,518£1,335
Three bedrooms£1,797£1,489
Four or more£2,478£2,161
Detached£2,219£1,640
Semi-detached£2,023£1,449
Terraced£1,986£1,435
Flat or maisonette£1,381£1,444
About these figures

Census figures aren't published for single postcodes, so everything on this tab describes the neighbourhood BN3 5SU sits in (Portslade by Sea): about 1,672 residents.

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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