Royal Mail PAF · London

SW Postcode — Chelsea

SW is a postcode district in Chelsea, South West London, London, England. Use the lookup below to explore addresses within this postcode district.

SW
Postcode District
SW — South West London
Area
London
Region
Royal Mail PAF
Data Source
Postcode Lookup — SW DistrictSample
{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "SW 1AA",
    "quality": 1,
    "eastings": 527596,
    "northings": 228477,
    "country": "England",
    "nhs_ha": "London",
    "longitude": -0.1772,
    "latitude": 51.5088,
    "european_electoral_region": "London",
    "primary_care_trust": "Chelsea",
    "region": "London",
    "lsoa": "Chelsea 001A",
    "msoa": "Chelsea 001",
    "incode": "1AA",
    "outcode": "SW",
    "parliamentary_constituency": "Chelsea",
    "admin_district": "Chelsea",
    "parish": "Chelsea, unparished area",
    "admin_county": null,
    "admin_ward": "Chelsea Central",
    "ced": null,
    "ccg": "NHS London",
    "nuts": "Chelsea",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the SW Postcode District

The SW postcode district is part of the South West London (SW) postcode area, covering Chelsea and surrounding areas in London, England.

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

The wider South West London postcode area (SW) also covers: Pimlico, Westminster, Battersea, Clapham, Brixton, Tooting, Wimbledon.

Frequently Asked Questions

What area does the SW postcode cover?

The SW postcode district covers Chelsea in South West London, London, England. It is one of 0 districts in the SW postcode area.

How do I look up all addresses in the SW 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 SW. The API returns all Royal Mail PAF addresses as structured JSON.

Is SW a valid UK postcode district?

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

Need SW addresses in your app?
The APITier Postcode Lookup API returns full PAF records in under 100ms. Free trial included.