Planning application
2025/5750/P
Northumberland House 303-306 High Holborn London WC1V 7JZ
Proposal
Change of use from office and retail (Class E) to hotel (Class C1), replacement of windows, alterations to shopfronts, removal of external escape stair, blue / green roofs, generator to the rear at lower ground floor level, and changes at roof level including PV's, lift overrun, and associated works.
As published by the council, reference 2025/5750/P
Timeline
Dates from the published record
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18 Dec 2025
Received by Camden
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23 Dec 2025
Validated
Checked as complete and ready for consideration.
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24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Camden for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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2015/1954/P Granted
Northumberland House, 303-306 High Holborn, London, WC1V 7JZ
Installation of 8 x air conditioning units to replace existing 14 units at 8th floor roof level.
-
2017/0586/A Withdrawn
o/s 307-308 Northumberland House High Holborn London WC1V 7JZ
Display of 2 x internally illuminated digital advertisement panels to freestanding BT panel.
-
2016/6190/P Granted
Northumberland House 303-306 High Holborn London WC1V 7JZ
Installation of 1 x AC unit to rear basement courtyard with associated timber screening.
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2015/2458/P Granted
Northumberland House 303-306 High Holborn London WC1V 7JZ
Replacement of 6 x air conditioning units at rear first floor and fourth floor levels; installation of acoustic screens and infilling of opening at basement level with brickwork to match existing.
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2016/6191/P Granted
Northumberland House 303-306 High Holborn London WC1V 7JZ
Alterations to rear basement fenestration including installation of 3 x aluminium sliding doors and new timber decking to courtyard.
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2015/4492/P Granted
303 Northumberland House, High Holborn London WC1V 7JZ
Various alterations to building entrance including replacement canopy
Other full applications applications
In Camden
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2026/0743/P Granted
34-42 Middlesex House Cleveland Street London W1T 4JE
Details pursuant to Condition 6 (Living Roof) of planning permission 2024/2020/P granted on 12/09/2024 "(Minor refurbishment and rooftop works including: upgraded entrance and reception area; new cycle storage and associated end of trip facilities; new/replaced rooftop plant and plant enclosures; creation of a rooftop amenity area with pavilion structure; hard and soft rooftop landscaping; and all associated and ancillary works)."
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2026/3202/P Awaiting decision
Flat 1 94 Goldhurst Terrace London NW6 3HS
Erection of a single storey rear extension.
-
2026/0335/P Granted
216A West End Lane London NW6 1UX
Conversion of 1 x 7 bedroom flat (C3) and 1 x 2 bedroom flat (C3) to 1 x 7 bedroom House in Multiple Occupation (Sui-generis) and 1 x 1 bedroom flat (C3) and installation of four rooflights
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2026/3229/P Awaiting decision
52 Neal Street London WC2H 9PA
Alterations to the shopfront and installation of awnings.
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2026/2160/P Granted
120 College Place London NW1 0DJ
Erection of a rear roof extension, formation of a rear roof terrace and installation of 2x rooflights to front roof slope, and associated works.