What area is the GU1 postcode in?

GU1 is a postcode district in Guildford, Guildford, South East, England. It is part of the GU postcode area.

How many addresses are in the GU1 postcode?

The GU1 postcode district covers Guildford in Guildford. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in GU1 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 GU1. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · South East

GU1 Postcode — Guildford

GU1 is a postcode district in Guildford, Guildford, South East, England. Use the lookup below to explore addresses within this postcode district.

GU1

Postcode District

GU — Guildford

Area

South East

Region

Royal Mail PAF

Data Source

Postcode Lookup — GU1 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "GU1 1AA",
    "quality": 1,
    "eastings": 502830,
    "northings": 197486,
    "country": "England",
    "nhs_ha": "South East",
    "longitude": -0.531,
    "latitude": 51.2296,
    "european_electoral_region": "South East",
    "primary_care_trust": "Guildford",
    "region": "South East",
    "lsoa": "Guildford 001A",
    "msoa": "Guildford 001",
    "incode": "1AA",
    "outcode": "GU1",
    "parliamentary_constituency": "Guildford",
    "admin_district": "Guildford",
    "parish": "Guildford, unparished area",
    "admin_county": "South East",
    "admin_ward": "Guildford Central",
    "ced": null,
    "ccg": "NHS South East",
    "nuts": "Guildford",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E10000000",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the GU1 Postcode District

The GU1 postcode district is part of the Guildford (GU) postcode area, covering Guildford and surrounding areas in South East, England.

Postcodes in the GU1 district follow the format GU1 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Guildford postcode area (GU) also covers: Farnham, Aldershot, Fleet, Camberley, Woking.

Frequently Asked Questions

What area does the GU1 postcode cover?

The GU1 postcode district covers Guildford in Guildford, South East, England. It is one of 39 districts in the GU postcode area.

How do I look up all addresses in the GU1 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 GU1. The API returns all Royal Mail PAF addresses as structured JSON.

Is GU1 a valid UK postcode district?

Yes. GU1 is a Royal Mail postcode district in Guildford, England. Full UK postcodes in this district follow the format GU1 followed by a digit and two letters (e.g. GU1 1AA).

GU1 Postcode — Guildford

About the GU1 Postcode District

Frequently Asked Questions

Other Guildford Postcode Districts