What area is the RM18 postcode in?

RM18 is a postcode district in Romford, Romford, London, England. It is part of the RM postcode area.

How many addresses are in the RM18 postcode?

The RM18 postcode district covers Romford in Romford. The exact address count can be retrieved via the APITier Postcode Lookup API.

How do I look up addresses in RM18 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 RM18. The response returns all PAF addresses as structured JSON including building name, number, street, town, county, and geocoordinates.

Royal Mail PAF · London

RM18 Postcode — Romford

RM18 is a postcode district in Romford, Romford, London, England. Use the lookup below to explore addresses within this postcode district.

RM18

Postcode District

RM — Romford

Area

London

Region

Royal Mail PAF

Data Source

Postcode Lookup — RM18 DistrictSample

{
  "_note": "Sample response — enter any postcode above and click Lookup for live data",
  "status": 200,
  "result": {
    "postcode": "RM18 1AA",
    "quality": 1,
    "eastings": 547434,
    "northings": 234693,
    "country": "England",
    "nhs_ha": "London",
    "longitude": 0.1062,
    "latitude": 51.5648,
    "european_electoral_region": "London",
    "primary_care_trust": "Romford",
    "region": "London",
    "lsoa": "Romford 001A",
    "msoa": "Romford 001",
    "incode": "1AA",
    "outcode": "RM18",
    "parliamentary_constituency": "Romford",
    "admin_district": "Romford",
    "parish": "Romford, unparished area",
    "admin_county": null,
    "admin_ward": "Romford Central",
    "ced": null,
    "ccg": "NHS London",
    "nuts": "Romford",
    "codes": {
      "admin_district": "E07000000",
      "admin_county": "E99999999",
      "admin_ward": "E05000000",
      "parish": "E43000000",
      "parliamentary_constituency": "E14000000",
      "ccg": "E38000000",
      "lsoa": "E01000000",
      "msoa": "E02000000"
    }
  }
}

About the RM18 Postcode District

The RM18 postcode district is part of the Romford (RM) postcode area, covering Romford and surrounding areas in London, England.

Postcodes in the RM18 district follow the format RM18 nXX where n is a digit and XX are letters. Each inward code identifies a specific delivery walk within the district.

The wider Romford postcode area (RM) also covers: Hornchurch, Upminster, Rainham, Brentwood, Grays.

Frequently Asked Questions

What area does the RM18 postcode cover?

The RM18 postcode district covers Romford in Romford, London, England. It is one of 20 districts in the RM postcode area.

How do I look up all addresses in the RM18 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 RM18. The API returns all Royal Mail PAF addresses as structured JSON.

Is RM18 a valid UK postcode district?

Yes. RM18 is a Royal Mail postcode district in Romford, England. Full UK postcodes in this district follow the format RM18 followed by a digit and two letters (e.g. RM18 1AA).

RM18 Postcode — Romford

About the RM18 Postcode District

Frequently Asked Questions

Other Romford Postcode Districts