Planning application
2026/2436/L
1 and 2 Cumberland Place London NW1 4NA
Proposal
Creation of orangery in the lower ground floor lightwell, lowering of existing floor levels at basement level, roof alterations, installation of new plant on the roof and external landscaping and internal refurbishment and remodelling all in association with amalgamation of two dwellings into a single-family dwelling.
As published by the council, reference 2026/2436/L
Timeline
Dates from the published record
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9 Jun 2026
Received by Camden
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11 Jun 2026
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 heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
Nearby applications
Within 500 metres
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2014/7220/P Granted
1 Cumberland Place London NW1 4NA
Various alterations to the existing roof garden above the single storey basement extension which includes tree planting and the repaving of lower garden/courtyard with Portland Stone.
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2014/7321/L Granted
1 Cumberland Place London NW1 4NA
Various alterations to the existing roof garden above the single storey basement extension which includes tree planting and the repaving of lower garden/courtyard with Portland Stone.
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2021/3101/T Granted
1 Cumberland Place London NW1 4NA
FRONT GARDEN: 1 x Laburnum (T1) - Fell to ground level.
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2026/2361/P Awaiting decision
1 and 2 Cumberland Place London NW1 4NA
Creation of orangery in the lower ground floor lightwell, lowering of existing floor levels at basement level, roof alterations, installation of new plant on the roof and external landscaping all in association with amalgamation of two dwellings into a single-family dwelling.
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2013/4750/P Withdrawn
1 Cumberland Place London NW1 4NA
Re-design of the existing roof garden above the single storey section of the house, removing the existing raised planters, pergolas, water feature and planters with trees and shrub planting, and providing in their place an enlarged shallow reflective pool with stone walkway, stone clad raised curved water feature with fountains and seating, raised stone clad planters, stepped lawn, evergreen tiered hedging to enclose, and tree and herbaceous planting.
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2013/6008/L Withdrawn
1 Cumberland Place London NW1 4NA
Re-design of the existing roof garden above the single storey section of the house, removing the existing raised planters, pergolas, water feature and planters with trees and shrub planting, and providing in their place an enlarged shallow reflective pool with stone walkway, stone clad raised curved water feature with fountains and seating, raised stone clad planters, stepped lawn, evergreen tiered hedging to enclose, and tree and herbaceous planting.
Other heritage and listed buildings applications
In Camden
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2026/3248/L Awaiting decision
15 Eton Villas London NW3 4SG
Single storey rear extension, internal reconfigurations, installation of double-glazed windows and doors, new air-conditioning units, landscaping to rear garden and erection of outbuilding amongst other alterations to the property.
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2026/3213/L Awaiting decision
51, 53, 55, 57 Lamb's Conduit Street London Camden WC1N 3NB
Installation of gas infrastructure including an external gas riser, associated pipework, and internal alterations comprising the relocation of gas meters and associated connections
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2026/2318/L Granted
90 Frognal London NW3 6XB
Structural strengthening of underground vault and underpinning of northern side of ground-floor boot room.
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2026/2136/L Granted
45 Downshire Hill London NW3 1NU
Proposed repair and replacement of front elevation windows with matching single glazed timber sash units. Replacement modern French doors in slim-profile double glazing. Rear windows retained, and repaired as required.
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2026/2122/L Granted
6 Royal College Street London NW1 0TH
Various internal and external changes, including replacement and alteration to timber windows, adjustments to internal layout, installation of fire-rated doors and emergency lighting, relocation and rearrangement of bathroom and kitchen (retrospective).