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Sutton (SM3)

The SM3 postcode area is located in the Sutton postcode town region, within the county of Greater London, and contains a total of 523 individual postcodes.

There are 2 electoral wards in the SM3 postcode area, including Banstead, Carshalton, Morden, Sutton, Wallington which come under the local authority of the Sutton Council.

Combining the whole postcode region, 25% of people in SM3 are classed as having an AB social grade, (i.e. 'white-collar' middle-upper class), compared to 27% across the UK.

This does not mean that the people of SM3 are poorer than other areas, but it may give an indication that there are areas of deprivation.

The SM3 postcode is located in the Borough of Sutton in South West London, England. The postcode area was originally introduced in 1867 and is made up of four post towns which are located in the three Greater London boroughs of Sutton, Merton and Kingston upon Thames.

SM3 covers the areas of Wallington and Worcester Park, as well as the part of Cheam which lies within the borough of Sutton (the other part of Cheam belongs to the London Borough of Merton). The south stands the Mole Valley District in Surrey. The area is multi-cultural and is served by a variety of shops, restaurants and services.

The main features of SM3 include many green areas such as Wallington Hall Gardens, Wallington Green, Beddington Park, Beddington Woods, Nonsuch Park, Cuddington Meadows and Oaks Park. It also contains known landmarks and historic sites such as Nonsuch Mansion, Beddington Park Mansion, Whitehall Manor and The New Hall at Nonsuch Park. The area is both densely populated and well-serviced by public transport links, which include the Sutton tram, many bus services, and overground train services from Wallington, South Merton and Sutton.

SM3 has a wealth of shopping options, such as high street chains and independent shops in Worcester Park and in Wallington Town Centre. Moreover, many markets such as the Western Road Market take place weekly in the area. Other popular spots to visit include bars and restaurants, churches, leisure centres, golf courses, and a variety of community events.

In terms of education, SM3 has an abundance of primary and secondary schools and nurseries, as well as the renowned Wilson's School. There are also some special need schools in the area. In terms of health, the area is serviced by two main hospitals - the Royal Marsden Hospital and St Helier Hospital, both of which have excellent reputations.

TheSM3 postcode has something to offer to everyone, with its blend of historic landmarks, wonderful green spaces, vibrant leisure activities and educational opportunities.

Postcode Disclaimer notice



  • 89%WORKING

11% of people in SM3 are either unemployed or full time students. The average UK unemployment rate is currently 4%.


  • 25%AB
  • 60%C2/C2
  • 15%DE

According to census records, 25% of people here have a social grade of AB (highest), compared to the national average of 27%.


  • 75%WHITE
  • 25%NON-WHITE

75% of people class themselves as 'white', compared to a national UK average of 81.9%.

SM3Greater London

Greater London

The county of Greater London

SM3 is located in the county of Greater London, in England.

Greater London has a total population of 8,778,500, making it the 1st largest county in the UK.

Greater London has a total area of 606 square miles, and a population density of 5594 people per square kilometre. For comparison, Greater London has a density of 5,618 people/km2.

Greater London Postal Town Map
Outward CodeSM3
Postal TownSutton
MSOA NameSutton 010
LSOA NameSutton 010E
CountyGreater London
RegionGreater London
Local AuthoritySutton
Area ClassificationUrban with Major Conurbation

SM3 Electoral Wards

The postal region of SM3, includes the local towns, villages, electoral wards and stations of:

Morden Park
North Cheam
Browse Postcodes in SM3

Dig even deeper into the SM3 postcode by clicking on a postcode below:

Click on an outward postal code below for more information about the area. Each 'outward' postcode give you a comprehensive list of all postcodes within the outward code area (SM) and estimated address.

Click on an 'outward' code for more information. For example, the outward postcode page 'EC2M' will give you an alphabetical list covering all postcodes located in the region, from 'EC2M 1BB' through to 'EC2M 7YA'.

Your views ofSM3

Chris H

Monday, May 20, 2024

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Please tell us what you like about the SM3 postcode area, what you don't like, and what it's like to live or work here.

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