qxx.uk — Postcode Area Report
Generated 2026-08-30T14:16:27.295Z · W1A1AA
W1A1AA — Location & Logistics Info
Westminster, London
Location & Logistics Info
- Postcode
- W1A1AA
- Postcode District
- W1A
- Local Authority / Council
- Westminster
- Region / Country
- London, England
- Parliamentary Constituency
- Cities of London and Westminster
- London ULEZ / Congestion Status
- ULEZ only
- Geographic Coordinates
- 51.518563, -0.143774
- NUTS Code
- TLI35
- NHS Area
- London
Frequently Asked Questions
What council and constituency covers W1A1AA?
W1A1AA is located in the Westminster local authority area and falls within the Cities of London and Westminster parliamentary constituency.
Is W1A1AA in the London ULEZ or congestion charge zone?
Based on the official ONS administrative data, this postcode is ulez only. For the definitive boundary, check the TfL online map.
Where does this data come from?
All business records are retrieved from the UK Government public registers: Companies House and HM Revenue & Customs (HMRC). Postcode data comes from the Office for National Statistics via Postcodes.io.
Is this service free to use for B2B checks?
Yes. Single checks via web search are free and require no sign-up. Automated bulk queries can be executed via our high-speed API for developers and risk teams.