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KT3

Postcode district

Postcode district covering New Malden, Old Malden and West Barnes, in Kingston upon Thames and Merton.

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an KT3 postcode. How census figures are added up

Open in map

Radon Affected Area by postcode district

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in KT3 live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£652,500
103rd most expensive of 2,235
Worked out by Open Index
Population
40,427
443rd most populated of 2,756
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
93.2%
UK 87.8%
Ofcom · Jan 2026

How KT3 compares

Each dot is a postcode district. The black line marks the middle one.

KT3Middle
Median sale price24 postcode districts, KT · 2025
Median sale price: every postcode district in KT24 areas from £440,000 to £925,000. The middle area is £572,500. KT3 is £652,500.
£652,5009th most expensive
Population24 postcode districts, KT · 2021
Population: every postcode district in KT24 areas from 8,934 to 40,427. The middle area is 21,994. KT3 is 40,427.
40,427most populated
People in radon Affected Area squares24 postcode districts, KT · 2022
People in radon Affected Area squares: every postcode district in KT24 areas from 0.0% to 100.0%. The middle area is 0.0%. KT3 is 0.0%.
0%joint fewest people in radon Affected Areas
Gigabit broadband coverage24 postcode districts, KT · Jan 2026
Gigabit broadband coverage: every postcode district in KT24 areas from 70.7% to 97.4%. The middle area is 88.7%. KT3 is 93.2%.
93.2%9th highest

Is KT3 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in KT3 at a rate of 61.6 per 1,000 people.

That compares with 73.8 per 1,000 people across the KT postcode area.

In August 2026 alone, 190 cases of crime and anti-social behaviour were recorded in KT3.

In the 12 months to August 2026, the most common types were violence and sexual offences (801), anti-social behaviour (541) and other crime (437).

A year earlier, the recorded crime rate in KT3 was 59.0 per 1,000 people.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

Deprivation in KT3, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so KT3 has no single figure. Of its 24 neighbourhoods with a rank:
  • Decile 4: 1 neighbourhood
  • Decile 5: 1 neighbourhood
  • Decile 6: 5 neighbourhoods
  • Decile 7: 3 neighbourhoods
  • Decile 8: 6 neighbourhoods
  • Decile 9: 3 neighbourhoods
  • Decile 10 (England’s least deprived 10%): 5 neighbourhoods

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in KT3

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Kingston upon Thames 002B1,33355.7 per 1,0001073.3%
Kingston upon Thames 002E1,38928.3 per 1,0001091.9%
Kingston upon Thames 006A2,04661.3 per 1,000497.6%
Kingston upon Thames 006C1,61243.5 per 1,000699.8%
Kingston upon Thames 007A1,69641.1 per 1,000989.2%
Kingston upon Thames 007B1,967189.0 per 1,000795.1%
Kingston upon Thames 007C2,01364.3 per 1,000890.5%
Kingston upon Thames 007D1,84629.6 per 1,000885.2%
Kingston upon Thames 007E1,72059.8 per 1,000697.8%
Kingston upon Thames 008A1,68160.5 per 1,000781.1%
Kingston upon Thames 008B1,94657.0 per 1,000677.6%
Kingston upon Thames 008C1,73824.9 per 1,000999.9%
Kingston upon Thames 008D1,75439.4 per 1,00010100.0%
Kingston upon Thames 008E1,37044.3 per 1,000898.8%
Kingston upon Thames 012A1,48884.4 per 1,000797.2%
Kingston upon Thames 012B1,69981.9 per 1,000599.5%
Kingston upon Thames 012C1,40731.3 per 1,0009100.0%
Kingston upon Thames 012D1,60350.9 per 1,000885.2%
Kingston upon Thames 012E1,43156.9 per 1,000697.3%
Kingston upon Thames 015D1,48552.7 per 1,000896.8%
Kingston upon Thames 015E1,66948.9 per 1,0001099.2%
Merton 020C1,76123.0 per 1,0001099.8%
Merton 020D1,65195.2 per 1,000691.7%
Merton 020E1,998109.1 per 1,000888.0%

MPs for KT3

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Middle areas in KT35

Postcode sectors in KT35

Councils KT3 covers2

Towns in KT32

Postcode districts next to KT36

Nearest rail stations4

More in the KT postcode area2

KT3 in brief

KT3 is a postcode district covering New Malden, Old Malden and West Barnes, in Kingston upon Thames and Merton.

About 40,752 people lived in KT3 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £652,500 in 2025 across 426 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 61.6 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in KT3 was £652,500 in 2025.

KT3 had 40,427 usual residents at the census.

About 0% of people in KT3 live in a 1 km square that the radon atlas marks as a radon Affected Area.

In KT3, 93.2% of homes and businesses could get gigabit-capable broadband in January 2026.