cs:westminster:26/04876/LBCPlanning Application cs:westminster:26/04876/LBC

Heritage application at Orbis House 5 Mansfield Street London W1G 9NG, Westminster. View planning documents, track the decision and get email alerts on updates.

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Provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevations omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04873/NMA)

26/04876/LBC

Small

Heritage

Orbis House 5 Mansfield Street London W1G 9NG

SubmittedSubmitted21 Jul

ValidatedValidated

ConsultationConsultation

TargetTarget Date

DecidedDecided

7 weeks typical decision time in Westminster90% of heritage applications approved

This is a heritage application for window replacement at Orbis House 5 Mansfield Street London W1G 9NG. Westminster has handled 2,686 applications of this type and approves 90% of them, typically deciding them in 64 days. It was submitted on 21 July 2026 and is still awaiting a decision. The site is in the Harley Street conservation area, with 20 listed buildings nearby. There have been 2 other applications at this address. In the past year there have been 221 applications across Marylebone. We hold 303 applications in total for the W1G postcode area.