PlanningTrack
Get started

Council planning record

Installation of two external air conditioning condenser units positioned on top of the existing bathroom roof within the rear lightwell.

23 - 25 Chiltern Street London W1U 7PH

PendingReference: 26/06923/FULLCity of Westminster

Last published check: 17 Oct 2026, 11:33. Check the council record for more recent changes.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application Received Date

    Published milestoneCouncil source

  2. Application Validated Date

    Published milestoneCouncil source

  3. Target Date

    Published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

Application summary

Status
Pending
Application type
Full Planning Permission Application
Received
9 Oct 2026
Validated
13 Oct 2026
Determination deadline
Not published
Local authority
City of Westminster

Application overview

Installation of two external air conditioning condenser units positioned on top of the existing bathroom roof within the rear lightwell.

Proposal details

Reference
26/06923/FULL
Alternative references
PP-15275982
Ward
Marylebone

Sign in to view all collected council fields and recorded changes.

Sign in to view collected details

Application location

23 - 25 Chiltern Street London W1U 7PH

This record has no verified map location.

View council map

Documents 16 of 16

DocumentPublishedAction
RECEIPT OF APPLICATIONOther · PDF13 Oct 2026View
1ST INVALID LETTERBackground Papers · PDF13 Oct 2026View
GROUND FLOOR PLAN - HVACDrawing · PDF13 Oct 2026View
EXISTING GROUND FLOOR PLANDrawing · PDF13 Oct 2026View
LOWER GROUND FLOOR PLAN - HVACDrawing · PDF13 Oct 2026View
EXISTING LOWER GROUND FLOOR PLANDrawing · PDF13 Oct 2026View
APPLICATIONFORMREDACTEDApplication Form · PDF9 Oct 2026View
FEECALCULATIONBackground Papers · PDF9 Oct 2026View
ATTACHMENTSUMMARYBackground Papers · PDF9 Oct 2026View
LOCATION PLANLocation Plan · PDF9 Oct 2026View
SITELOCATIONBackground Papers9 Oct 2026View
LOWER GROUND FLOOR PLAN - HVACSuperseded document · PDF9 Oct 2026View
GROUND FLOOR PLAN HVACSuperseded document · PDF9 Oct 2026View
EXTERNAL CONDENSER UNIT ENVIRONMENTAL NOISE ASSESSMENT REPORTNoise impact assessment · PDF9 Oct 2026View
DESIGN AND ACCESS STATEMENTDesign and Access Statement · PDF9 Oct 2026View
HERITAGE STATEMENTHeritage Statement · PDF9 Oct 2026View

Documents open on the council website. Browse council documents if a link has changed.

Decision & conditions

Decision not yet published
Planning conditions

We haven’t collected any decision conditions for this application.

Related records

Understand this planning record

All planning guides

  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

    UK research
    Published Updated

  • Understanding planning · 13 min read

    Planning application statuses explained

    Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.

    UK research
    Published Updated

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

    UK research
    Published Updated