What area is the SM1 postcode in?

SM1 is a postcode district in Sutton, Sutton, London, England. It is part of the SM postcode area.

How many addresses are in the SM1 postcode?

The SM1 postcode district covers Sutton in Sutton. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in SM1 programmatically?

Use the APITier Postcode Lookup API: GET https://postcode.apitier.com/v1/postcodes/{postcode}?x-api-key=YOUR_KEY — where the postcode begins with SM1. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · London

SM1 Postcode — Sutton

SM1 is a postcode district in Sutton, Sutton, London, England. Use the lookup below to explore addresses within this postcode district.

SM1

Postcode District

SM — Sutton

Area

London

Region

Royal Mail PAF

Data Source

Postcode Lookup — SM1 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "SM1 1AA",
    "quality": 1,
    "eastings": 522164,
    "northings": 210983,
    "country": "England",
    "nhs_ha": "London",
    "longitude": -0.2548,
    "latitude": 51.3512,
    "european_electoral_region": "London",
    "primary_care_trust": "Sutton",
    "region": "London",
    "lsoa": "Sutton 001A",
    "msoa": "Sutton 001",
    "incode": "1AA",
    "outcode": "SM1",
    "parliamentary_constituency": "Sutton",
    "admin_district": "Sutton",
    "parish": "Sutton, unparished area",
    "admin_county": null,
    "admin_ward": "Sutton Central",
    "ced": null,
    "ccg": "NHS London",
    "nuts": "Sutton",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the SM1 Postcode District

The SM1 postcode district is part of the Sutton (SM) postcode area, covering Sutton and surrounding areas in London, England.

Postcodes in the SM1 district follow the format SM1 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Sutton postcode area (SM) also covers: Cheam, Carshalton, Wallington, Morden.

Frequently Asked Questions

What area does the SM1 postcode cover?

The SM1 postcode district covers Sutton in Sutton, London, England. It is one of 7 districts in the SM postcode area.

How do I look up all addresses in the SM1 postcode?

Use the live lookup widget above or call the APITier Postcode Lookup API: GET https://postcode.apitier.com/v1/postcodes/{full postcode}?x-api-key=YOUR_KEY. Replace {full postcode} with any complete postcode beginning SM1. The API returns all Royal Mail PAF addresses as structured JSON.

Is SM1 a valid UK postcode district?

Yes. SM1 is a Royal Mail postcode district in Sutton, England. Full UK postcodes in this district follow the format SM1 followed by a digit and two letters (e.g. SM1 1AA).

SM1 Postcode — Sutton

About the SM1 Postcode District

Frequently Asked Questions

Other Sutton Postcode Districts