Air Monitoring Unit Marylebone Road London NW1 5JX Data via plota.co.uk
Proposal
Retention of Air Quality Monitoring Station located directly outside of the University of Westminster on Marylebone Road. No change of use but commitment to work with local partners including Baker Street Quarter Partnership and the Environment Agency towards a refreshed container over the next few years. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 11 Dec 2026 and 21 Dec 2026, from Westminster's recent utility and infrastructure works.
Documents 9
Plans & drawings 3
Application forms 2
Site constraints 11
Checked on 22 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- NW1 5JX
- Received
- 19 Oct 2026
- Validated
- 19 Oct 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 14 Dec 2026
- Applicant
- Show
Decision outlook
Day 10 of the 56-day target. Westminster usually decides utility and infrastructure works by day 57.
Plota live figures for utility and infrastructure works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 22 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15212721
- Planning Portal ref
- PP-15212721
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
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Air Monitoring Unit Marylebone Road London NW1 5JX
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