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Council planning record

Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof and installation of a pressurised stair system. (Linked with 26/05545/LBC)

1 Chiltern Street London W1U 7PA

PendingReference: 26/05544/FULLCity of Westminster

Last published check: 15 Sept 2026, 00:18. Check the council record for more recent changes.

Application location

1 Chiltern Street London W1U 7PA

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Application summary

Status
Pending
Application type
Full Planning Permission Application
Received
14 Aug 2026
Validated
14 Aug 2026
Determination deadline
Not published
Local authority
City of Westminster

Application overview

Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof and installation of a pressurised stair system. (Linked with 26/05545/LBC)

Proposal details

Reference
26/05544/FULL
Alternative references
PP-15119200
Ward
Marylebone
Agent
WSP UK Limited

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Documents 32 of 32

DocumentPublishedAction
NEIGHBOUR NOTIFICATION LETTER (21D)Background Papers · PDF3 Sept 2026View
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.Background Papers · PDF3 Sept 2026View
CNSLT-LA SOCIETYBackground Papers · PDF3 Sept 2026View
ACK-GENERAL LETTER (G/P/C)Background Papers · PDF3 Sept 2026View
RECEIPT OF APPLICATIONOther · PDF19 Aug 2026View
APPLICATIONFORMREDACTEDApplication Form · PDF14 Aug 2026View
ATTACHMENTSUMMARYBackground Papers · PDF14 Aug 2026View
DESIGN AND ACCESS STATEMENTDesign and Access Statement · PDF14 Aug 2026View
FIRE SAFETY STRATEGYBackground Papers · PDF14 Aug 2026View
NOISE ASSESSMENTAcoustic report · PDF14 Aug 2026View
AIR QUALITY ASSESSMENTAir quality assessment · PDF14 Aug 2026View
HERITAGE IMPACT ASSESSMENTHeritage Statement · PDF14 Aug 2026View
LOCATION PLANLocation Plan · PDF14 Aug 2026View
EXISTING FOURTH FLOOR PLAN (POST-FIRE)Drawing · PDF14 Aug 2026View
EXISTING FOURTH FLOOR PLAN (PRE-FIRE)Drawing · PDF14 Aug 2026View
EXISTING ROOF PLAN (POST-FIRE)Drawing · PDF14 Aug 2026View
EXISTING ROOF PLAN (PRE-FIRE)Drawing · PDF14 Aug 2026View
EXISTING REAR ELEVATION (POST-FIRE)Drawing · PDF14 Aug 2026View
EXISTING REAR ELEVATION (PRE-FIRE)Drawing · PDF14 Aug 2026View
EXISTING SECTION - CC (POST-FIRE)Drawing · PDF14 Aug 2026View
EXISTING SECTION - CC (PRE-FIRE)Drawing · PDF14 Aug 2026View
EXISTING SECTION - KK (POST-FIRE)Drawing · PDF14 Aug 2026View
EXISTING SECTION - KK (PRE-FIRE)Drawing · PDF14 Aug 2026View
PROPOSED 4TH FLOOR PLANDrawing · PDF14 Aug 2026View
PROPOSED ROOF PLANDrawing · PDF14 Aug 2026View
PROPOSED REAR ELEVATIONDrawing · PDF14 Aug 2026View
PROPOSED SECTION - KKDrawing · PDF14 Aug 2026View
PROPOSED SECTION - PPDrawing · PDF14 Aug 2026View
COVER LETTERBackground Papers · PDF14 Aug 2026View
RECEIPT OF APPLICATIONOther · PDF14 Aug 2026View
EXISTING REAR ELEVATION (PRE-FIRE)Drawing · PDF14 Aug 2026View
EXISTING REAR ELEVATION (POST-FIRE)Drawing · PDF14 Aug 2026View

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

Application timeline

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  1. Application Received Date

    Published milestoneCouncil source

  2. Application Validated Date

    Published milestoneCouncil source

  3. Target Date

    Past published deadline

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    Council source

Decision & conditions

Decision not yet published
Planning conditions

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