Royal Mail PAF · London

SE1 Postcode — Southwark

SE1 is a postcode district in Southwark, South East London, London, England. Use the lookup below to explore addresses within this postcode district.

SE1
Postcode District
SE — South East London
Area
London
Region
Royal Mail PAF
Data Source
Postcode Lookup — SE1 DistrictSample
{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "SE1 1AA",
    "quality": 1,
    "eastings": 531222,
    "northings": 225058,
    "country": "England",
    "nhs_ha": "London",
    "longitude": -0.1254,
    "latitude": 51.478,
    "european_electoral_region": "London",
    "primary_care_trust": "Southwark",
    "region": "London",
    "lsoa": "Southwark 001A",
    "msoa": "Southwark 001",
    "incode": "1AA",
    "outcode": "SE1",
    "parliamentary_constituency": "Southwark",
    "admin_district": "Southwark",
    "parish": "Southwark, unparished area",
    "admin_county": null,
    "admin_ward": "Southwark Central",
    "ced": null,
    "ccg": "NHS London",
    "nuts": "Southwark",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the SE1 Postcode District

The SE1 postcode district is part of the South East London (SE) postcode area, covering Southwark and surrounding areas in London, England.

Postcodes in the SE1 district follow the format SE1 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider South East London postcode area (SE) also covers: Greenwich, Lewisham, Deptford, Eltham, Woolwich, Forest Hill.

Frequently Asked Questions

What area does the SE1 postcode cover?

The SE1 postcode district covers Southwark in South East London, London, England. It is one of 0 districts in the SE postcode area.

How do I look up all addresses in the SE1 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 SE1. The API returns all Royal Mail PAF addresses as structured JSON.

Is SE1 a valid UK postcode district?

Yes. SE1 is a Royal Mail postcode district in South East London, England. Full UK postcodes in this district follow the format SE1 followed by a digit and two letters (e.g. SE1 1AA).

Need SE1 addresses in your app?
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