Planning application
12 - 14 Harcourt Street London W1H 4HD
Works: Windows or glazing
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Rear window at second floor; raised section of metal railings that enclose the rear roof area at the second floor; and alterations to the metal railings to install glazed panels.
As published by the council, reference 25/08187/CLEUD
Application record
- Reference
- 25/08187/CLEUD
- Type
- Certificate of Lawfulness (existing)
- Status
- Decided
- Decision
- Refused As published: Application Refused
- Received
- 10 Nov 2025
- Validated
- 10 Nov 2025
- Decided
- 12 Mar 2026
- Ward
- Marylebone
- Decision by
- Delegated Decision
- Postcode
- W1H 4HD
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2006: 2 approved, 1 refused.
-
26/02158/ADV Awaiting decision
12 - 14 Harcourt Street London W1H 4HD
Display of two non-illuminated fascia signs measuring 0.31m x 1.98m and 0.46m x 3m. [Linked to 26/02157/FULL]
-
26/02157/FULL Awaiting decision
12 - 14 Harcourt Street London W1H 4HD
Extension of and improvements to the existing ground floor terrace to the rear, modification to entrances, installation of security access gate, other associated external works and the installation of new signage. [Linked to 26/02158/ADV]
-
06/06031/ADFULL Granted
12 - 14 Harcourt Street London W1H 4HD
Details of rolled lead roof to approved extension pursuant to Condition 4 of planning permission dated 08 June 2006 (RN: 06/00236).
-
06/00236/FULL Granted
12 - 14 Harcourt Street London W1H 4HD
Extension of rear second and third floors to provide additional office space (Class B1) and creation of a terrace area to the rear and side of the first floor. Installation of three air conditioning units to the rear first floor level.
Timeline
Dates from the published record
-
10 Nov 2025
Received by Westminster
-
12 Mar 2026
Decision issued: Application Refused
-
20 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Paul Dickinson and Associates Agent
63 applications on PlanIndex · across 24 councils · 71% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
19 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this refusal means
Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
12 - 14 Harcourt Street London W1H 4HD
Details of rolled lead roof to approved extension pursuant to Condition 4 of planning permission dated 08 June 2006 (RN: 06/00236).
Granted Full applications Extension 2 docs -
12 - 14 Harcourt Street London W1H 4HD
82% historically approved · decision due ~26 May
Display of two non-illuminated fascia signs measuring 0.31m x 1.98m and 0.46m x 3m. [Linked to 26/02157/FULL]
Awaiting decision Advertising 1 doc -
12 - 14 Harcourt Street London W1H 4HD
88% historically approved · decision due ~26 May
Extension of and improvements to the existing ground floor terrace to the rear, modification to entrances, installation of security access gate, other associated external works and the installation of new signage. [Linked to 26/02158/ADV]
Awaiting decision Full applications Extension 1 doc -
12 - 14 Harcourt Street London W1H 4HD
Extension of rear second and third floors to provide additional office space (Class B1) and creation of a terrace area to the rear and side of the first floor. Installation of three air conditioning units to the rear first floor level.
Granted Full applications Extension 11 docs -
6 - 11 Harcourt Street London W1H 4AG
90% historically approved · decision due ~22 Jun
Upgrading of Fire doors and creation of fire separating lobbies between different use classes.
Awaiting decision Heritage and listed buildings 40 docs -
6 - 11 Harcourt Street London W1H 4AG
Internal alterations.
Granted Heritage and listed buildings 26 docs
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