# KT3

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

KT3 is a postcode district covering New Malden, Old Malden and West Barnes, in Kingston upon Thames and Merton. Median sale price £652,500 in 2025.

Postcode district. Code KT3. In: [Postcodes](https://openindex.co.uk/postcode) › [KT](https://openindex.co.uk/postcode/kt)

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](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £652,500** (2025). The median price paid for a home in KT3 was £652,500 in 2025. 103rd most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/kt3#f-house-sales-median-price
- **Population: 40,427** (2021). KT3 had 40,427 usual residents at the census (ONS Census 2021). 443rd most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/kt3#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in KT3 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/kt3#f-radon-affected-share
- **Gigabit broadband coverage: 93.2%** (January 2026). In KT3, 93.2% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/kt3#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=KT3) (Worked out by Open Index · 2022): About 0% of people in KT3 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=KT3) (Worked out by Open Index · 2025): 426 homes were sold in KT3 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=KT3) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for KT3.
- [Population by postcode district](https://openindex.co.uk/map/population?place=KT3) (Census 2021, England and Wales): KT3 had 40,427 usual residents at the census.

## How KT3 compares

Each postcode district against every other postcode district the measure covers.

| Measure | KT3 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £652,500 | 9th most expensive | 24 postcode districts, KT · 2025 |
| Population | 40,427 | most populated | 24 postcode districts, KT · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 24 postcode districts, KT · 2022 |
| Gigabit broadband coverage | 93.2% | 9th highest | 24 postcode districts, KT · Jan 2026 |

## 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

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

## Neighbourhoods in KT3

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Kingston upon Thames 002B](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002953) | 1,333 | 55.7 per 1,000 | 10 | 73.3% |
| [Kingston upon Thames 002E](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002959) | 1,389 | 28.3 per 1,000 | 10 | 91.9% |
| [Kingston upon Thames 006A](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002932) | 2,046 | 61.3 per 1,000 | 4 | 97.6% |
| [Kingston upon Thames 006C](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002962) | 1,612 | 43.5 per 1,000 | 6 | 99.8% |
| [Kingston upon Thames 007A](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002929) | 1,696 | 41.1 per 1,000 | 9 | 89.2% |
| [Kingston upon Thames 007B](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002930) | 1,967 | 189.0 per 1,000 | 7 | 95.1% |
| [Kingston upon Thames 007C](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002931) | 2,013 | 64.3 per 1,000 | 8 | 90.5% |
| [Kingston upon Thames 007D](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002963) | 1,846 | 29.6 per 1,000 | 8 | 85.2% |
| [Kingston upon Thames 007E](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002985) | 1,720 | 59.8 per 1,000 | 6 | 97.8% |
| [Kingston upon Thames 008A](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002927) | 1,681 | 60.5 per 1,000 | 7 | 81.1% |
| [Kingston upon Thames 008B](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002928) | 1,946 | 57.0 per 1,000 | 6 | 77.6% |
| [Kingston upon Thames 008C](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002958) | 1,738 | 24.9 per 1,000 | 9 | 99.9% |
| [Kingston upon Thames 008D](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002961) | 1,754 | 39.4 per 1,000 | 10 | 100.0% |
| [Kingston upon Thames 008E](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002986) | 1,370 | 44.3 per 1,000 | 8 | 98.8% |
| [Kingston upon Thames 012A](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002975) | 1,488 | 84.4 per 1,000 | 7 | 97.2% |
| [Kingston upon Thames 012B](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002977) | 1,699 | 81.9 per 1,000 | 5 | 99.5% |
| [Kingston upon Thames 012C](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002980) | 1,407 | 31.3 per 1,000 | 9 | 100.0% |
| [Kingston upon Thames 012D](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002981) | 1,603 | 50.9 per 1,000 | 8 | 85.2% |
| [Kingston upon Thames 012E](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002984) | 1,431 | 56.9 per 1,000 | 6 | 97.3% |
| [Kingston upon Thames 015D](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002982) | 1,485 | 52.7 per 1,000 | 8 | 96.8% |
| [Kingston upon Thames 015E](https://openindex.co.uk/kingston-upon-thames/neighbourhood/e01002983) | 1,669 | 48.9 per 1,000 | 10 | 99.2% |
| [Merton 020C](https://openindex.co.uk/merton/neighbourhood/e01003468) | 1,761 | 23.0 per 1,000 | 10 | 99.8% |
| [Merton 020D](https://openindex.co.uk/merton/neighbourhood/e01003469) | 1,651 | 95.2 per 1,000 | 6 | 91.7% |
| [Merton 020E](https://openindex.co.uk/merton/neighbourhood/e01003470) | 1,998 | 109.1 per 1,000 | 8 | 88.0% |

## Your MP

- [Kingston and Surbiton](https://openindex.co.uk/constituency/kingston-and-surbiton): Ed Davey (Liberal Democrat), MP since July 2024. 52% of the people here.
- [Wimbledon](https://openindex.co.uk/constituency/wimbledon): Mr Paul Kohler (Liberal Democrat), MP since July 2024. 46% of the people here.
- [Richmond Park](https://openindex.co.uk/constituency/richmond-park): Sarah Olney (Liberal Democrat), MP since July 2024. 1.5% of the people here.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in KT3

[Kingston Vale & Coombe Hill](https://openindex.co.uk/kingston-upon-thames/kingston-vale-and-coombe-hill), [Malden Manor](https://openindex.co.uk/kingston-upon-thames/malden-manor), [New Malden East](https://openindex.co.uk/kingston-upon-thames/new-malden-east), [New Malden West](https://openindex.co.uk/kingston-upon-thames/new-malden-west), [West Barnes](https://openindex.co.uk/merton/west-barnes)

## Postcode sectors in KT3

[KT3 3 (237 postcodes)](https://openindex.co.uk/postcode/kt3-3), [KT3 4 (161 postcodes)](https://openindex.co.uk/postcode/kt3-4), [KT3 5 (183 postcodes)](https://openindex.co.uk/postcode/kt3-5), [KT3 6 (166 postcodes)](https://openindex.co.uk/postcode/kt3-6), [KT3 9 (6 postcodes)](https://openindex.co.uk/postcode/kt3-9)

## Councils KT3 covers

[Kingston upon Thames](https://openindex.co.uk/kingston-upon-thames), [Merton](https://openindex.co.uk/merton)

## Towns in KT3

[Kingston upon Thames](https://openindex.co.uk/kingston-upon-thames), [Merton](https://openindex.co.uk/merton)

## Postcode districts next to KT3

[KT1](https://openindex.co.uk/postcode/kt1), [KT2](https://openindex.co.uk/postcode/kt2), [KT4](https://openindex.co.uk/postcode/kt4), [KT5](https://openindex.co.uk/postcode/kt5), [SM4](https://openindex.co.uk/postcode/sm4), [SW20](https://openindex.co.uk/postcode/sw20)

## Nearest rail stations

[New Malden (800 m from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.2559,51.4041), [Motspur Park (1.2 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.2395,51.3952), [Malden Manor (1.4 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.2613,51.3847), [Berrylands (1.7 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.2807,51.3991)

## More in the KT postcode area

[All KT postcode districts](https://openindex.co.uk/postcode/kt), [Every UK postcode area](https://openindex.co.uk/postcode)

## 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.

## About

- Type: Postcode district
- Code: KT3
- Postcode area: [KT](https://openindex.co.uk/postcode/kt)
- Constituency: [Kingston and Surbiton †](https://openindex.co.uk/constituency/kingston-and-surbiton)
- Council: [Kingston upon Thames †](https://openindex.co.uk/kingston-upon-thames)
- Area: 7.91 km²
- People, mid-2024: 40,752*
- Neighbourhoods: 24
- Output areas: 114

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[SW20](https://openindex.co.uk/postcode/sw20), [KT4](https://openindex.co.uk/postcode/kt4), [KT2](https://openindex.co.uk/postcode/kt2), [KT1](https://openindex.co.uk/postcode/kt1), [KT5](https://openindex.co.uk/postcode/kt5), [SM4](https://openindex.co.uk/postcode/sm4)

## Latest updates for KT3

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/KT3

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/kt3, or to one figure with its anchor, https://openindex.co.uk/postcode/kt3#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/kt3