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Variation of Conditions 4 and 5 of planning permission dated 16 June 2025 (Ref: 25/03133/FULL) for the remodelling of the existing seventh-floor roof extension, including enlarged window openings, timber louvres to the existing plant area and creation of a roof terrace with metal balustrade and planter boxes. Namely to allow extended hours of use of the terrace (08:00 to 23:30 Monday to Thursday; 08:00 to 00:00 Friday and Saturday; and 08:00 to 22:30 Sunday), third-party use and the playing of music on the terrace.

Byron House 7 - 9 St James's Street London SW1A 1EE

PendingReference: 26/05166/FULLCity of Westminster

Last published check: 28 Sept 2026, 12:23. Check the council record for more recent changes.

Application location

Byron House 7 - 9 St James's Street London SW1A 1EE

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Application summary

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

Application overview

Variation of Conditions 4 and 5 of planning permission dated 16 June 2025 (Ref: 25/03133/FULL) for the remodelling of the existing seventh-floor roof extension, including enlarged window openings, timber louvres to the existing plant area and creation of a roof terrace with metal balustrade and planter boxes. Namely to allow extended hours of use of the terrace (08:00 to 23:30 Monday to Thursday; 08:00 to 00:00 Friday and Saturday; and 08:00 to 22:30 Sunday), third-party use and the playing of music on the terrace.

Proposal details

Reference
26/05166/FULL
Alternative references
PP-15091816
Ward
St James's
Agent
c/o Savills

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Documents 10 of 10

DocumentPublishedAction
NEIGHBOUR NOTIFICATION LETTER (21D)Background Papers · PDF22 Sept 2026View
ACK-GENERAL LETTER (G/P/C)Background Papers · PDF7 Aug 2026View
CNSLT-LA SOCIETYBackground Papers · PDF7 Aug 2026View
CNSLT-LA SOCIETYBackground Papers · PDF7 Aug 2026View
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.Background Papers · PDF7 Aug 2026View
RECEIPT OF APPLICATIONOther · PDF4 Aug 2026View
ACOUSTIC STATEMENT BYRON HOUSE ROOF BAR LONDON 2623808-RDSNoise impact assessment · PDF31 Jul 2026View
ROOFTOP LIGHTING STATEMENT / TECHNICAL NOTEBackground Papers · PDF31 Jul 2026View
OPERATIONAL MANAGEMENT PLAN BYRON HOUSEBackground Papers · PDF31 Jul 2026View
COVER LETTERBackground Papers · PDF31 Jul 2026View

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Application timeline

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  1. Application Received Date

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  2. Application Validated Date

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  3. Last Advertised In Press Date

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  4. Latest Advertisement Expiry Date

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  5. Target Date

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Decision & conditions

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