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Postcode district · Knebworth

Housing in SG3

What the homes in SG3 are, who owns them, how many people share them and what they rent for.

Council
North Hertfordshire
Region
East of England
Population
11,716 (2024)
Property types

What homes look like here

The most common homes here are detached houses (38.3%). Flats make up 14.2%, well below the 22.2% across England.

SG3England
Detached38.3%22.9%
Semi-detached28.3%31.5%
Terraced18.2%23%
Purpose-built flat11.3%17.1%
Flat in a converted or shared house1%3.5%
Flat in a commercial or converted building2%1.7%
Caravan or mobile home1%0.4%
Tenure

Owning vs renting

71.6% of households in SG3 own their home, above the England average of 61.3%. Private renting makes up 14.6% of households, well below the England figure of 20.5%. 39.4% own outright and 32.2% with a mortgage.

SG3
72%
15%
13%
England
  • Owned71.6%61.3%
  • Shared ownership0.4%1%
  • Private rented14.6%20.5%
  • Social rented13.4%17.1%
  • Lives rent free0%0.1%

By mortgage and landlord type

SG3England
Owned outright39.4%32.5%
With a mortgage or loan32.2%28.8%
From a private landlord or letting agent12.7%18.2%
Other private rented1.8%2.2%
From the council4.4%8.3%
From a housing association9%8.8%
Occupancy

How many people live in each home

The average home here has 2.3 people living in it. 27.1% of households are one person living alone, against 30.1% across England.

SG3England
0%
10%
20%
30%
40%
123456+
Households

Who lives together

The most common household is a couple with dependent children (20.6%). 25.1% of households include dependent children.

SG3England
Living alone, under 6613.7%17.3%
Living alone, 66 and over13.4%12.8%
Couple, no children19.3%16.8%
Couple with dependent children20.6%18.9%
Couple with grown-up children7.9%6.3%
Lone parent with dependent children4.5%6.9%
Lone parent with grown-up children3.4%4.2%
Family, all aged 66 and over13.1%9.2%
Sharers and other households4%7.7%
Rents

Private rents in North Hertfordshire

Average monthly rent for a new or renewed tenancy in North Hertfordshire (August 2026, +5.4% on a year earlier). ONS publishes rent figures at council level rather than by neighbourhood.

North HertfordshireEngland
All homes£1,434£1,459
One bedroom£1,024£1,195
Two bedrooms£1,284£1,335
Three bedrooms£1,576£1,489
Four or more£2,235£2,161
Detached£1,939£1,640
Semi-detached£1,550£1,449
Terraced£1,379£1,435
Flat or maisonette£1,158£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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