Planning application
Northumberland House 155 - 157 Great Portland Street London W1W 6QP
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Retention of four air conditioning condenser units on rear first floor flat roof.
As published by the council, reference 06/01678/FULL
Application record
- Reference
- 06/01678/FULL
- Type
- Application for full Planning Permission
- Status
- Decided
- Decision
- Application Refused
- Received
- 6 Mar 2006
- Validated
- 18 Jul 2006
- Decided
- 11 Sep 2006
- Ward
- Marylebone High Street
- Decision by
- Delegated Decision
- Postcode
- W1W 6QP
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2005: 2 approved, 2 refused.
-
26/04985/FULL Awaiting decision
Northumberland House 155 - 157 Great Portland Street London W1W 6QP
Replacement of entrance door.
-
26/00984/NMA Granted
Northumberland House 155 - 157 Great Portland Street London W1W 6QP
Amendments to planning permission dated 12th November 2024 (RN: 24/06018/FULL) for Alterations to the entrance at ground floor level and installation of plant with screening and associated equipment at roof level. Namely, omission of previously approved GRP housing at roof level, relocation of 1no 175mm x 450mm louvre integrated into the head of existing WC window; and introduction of 6no 500mmx500mm ventilation louvres to south west elevation.
-
07/05158/FULL Refused
Northumberland House 155-157 Great Portland Street London W1W 6QP
Relocation of air conditioning units onto the main roof within a new enclosure.
-
05/01357/CLEUD Granted
Northumberland House 155 - 157 Great Portland Street London W1W 6QP
Installation of two air conditioning units in rear lightwell.
Timeline
Dates from the published record
-
6 Mar 2006
Received by Westminster
-
18 Jul 2006
Validated
Checked as complete and ready for consideration.
-
11 Sep 2006
Decision issued: Application Refused
-
30 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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.
Trade members open them from here.
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 full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Northumberland House 155 - 157 Great Portland Street London W1W 6QP
Installation of two air conditioning units in rear lightwell.
Granted Lawful development 5 docs -
Northumberland House 155-157 Great Portland Street London W1W 6QP
Relocation of air conditioning units onto the main roof within a new enclosure.
Refused Full applications 12 docs -
Northumberland House 155 - 157 Great Portland Street London W1W 6QP
87% historically approved · decision due ~18 Sep
Replacement of entrance door.
Awaiting decision Full applications -
Northumberland House 155 - 157 Great Portland Street London W1W 6QP
Amendments to planning permission dated 12th November 2024 (RN: 24/06018/FULL) for Alterations to the entrance at ground floor level and installation of plant with screening and associated equipment at roof level. Namely, omission of previously approved GRP housing at roof level, relocation of 1no 175mm x 450mm louvre integrated into the head of existing WC window; and introduction of 6no 500mmx500mm ventilation louvres to south west elevation.
Granted Amendments Windows or glazing 14 docs -
Basement And Ground Floor Northumberland House 155 - 157 Great Portland Street London W1W 6QP
Dual alternative use of the ground and basement floors as showroom (sui generis) or MRI medical centre (Class E)
Granted Full applications 17 docs -
Hallam House 56 - 60 Hallam Street London W1W 6JL
Demolition of existing roof plant room and erection of a single floor roof extension to provide one residential unit (Class C3). Erection of replacement plant room, and provision of an external terrace, landscaping and green roof. Alterations to rear fenestration pattern. Erection of single storey lower ground floor extension within rear lightwell to provide additional office floorspace (Class E) and replacement of a window with a door at front ground floor level.
Granted Full applications Extension Roofing +2 124 docsSmall domestic
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