Planning application
55 Princess Road London NW1 8JS
Works: Extension Loft or dormer Windows or glazing Domestic
Read from the description, not a valuation. How we read the register
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Retrospective planning application for alterations to the approved roof extension, comprising an increase in the height of the mansard roof and the installation of two front-facing dormer windows.
As published by the council, reference 2025/5591/P
Application record
- Reference
- 2025/5591/P
- Type
- Householder Application
- Status
- Final Decision
- Decision
- Refused As published: Refused and Warning of Enforcement Action to be Taken
- Received
- 12 Dec 2025
- Validated
- 22 Dec 2025
- Decided
- 19 Aug 2026
- Ward
- Primrose Hill
- Decision by
- Delegated
- Postcode
- NW1 8JS
Site history
Applications at this address on the Camden register
This site has had 8 applications since 2011: 5 approved, 2 refused.
-
2022/2382/P Refused
55 Princess Road London NW1 8JS
Variation of Condition 3 (Approved Plans) of planning permission 2020/5626/P dated 06/05/2021, for the erection of a part one/part two storey rear extension following the demolition of the existing two storey closet wing, and alteration to the front and rear fenestration. Namely, retrospective permission for the erection of 2x dormers on the front roof slope in place of velux windows and removal of portion of rear parapet wall.
-
2022/2550/P Granted
55 Princess Road London NW1 8JS
Non-material amendment to planning permission ref 2020/5626/P dated 06/05/2021 for 'Erection of mansard roof extension with rear roof terrace; erection of a part one part two storey rear extension following the demolition of the existing two storey closet wing, and alteration to the front and rear fenestration', namely to increase the height of the segment of the party wall with 57 Princess Road by two brick courses.
-
2020/5626/P Granted
55 Princess Road London NW1 8JS
Erection of mansard roof extension with rear roof terrace; erection of a part one part two storey rear extension following the demolition of the existing two storey closet wing, and alteration to the front and rear fenestration.
-
2012/3507/P Granted
55 Princess Road London NW1 8JS
Erection of mansard roof extension with rear roof terrace all in connection with existing dwellinghouse (Class C3).
-
2012/1736/P Withdrawn
55 Princess Road LONDON NW1 8JS
Erection of mansard roof extension with rear roof terrace, erection of additional storey to existing 2-storey rear wing and creation of roof terrace over at rear second floor level including replacement of window with door all in connection with existing dwelling house (Class C3).
-
2011/4488/P Granted
55 Princess Road London NW1 8JS
Renewal of planning permsission granted 08/09/2009 (ref: 2009/3411/P) for erection of additional storey to existing 2 storey rear extension of dwelling house (Class C3).
-
2011/4493/P Granted
55 Princess Road London NW1 8JS
Renewal of planning permsission granted 09/03/2008 (ref: 2008/5591/P) for single-storey glazed infill extension to rear lower ground floor; new entrance steps to front lightwell and the replacement of a door with a window within the basement area to an existing dwelling house(C3).
Timeline
Dates from the published record
-
12 Dec 2025
Received by Camden
-
22 Dec 2025
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
19 Aug 2026
Decision issued: Refused and Warning of Enforcement Action to be Taken
Documents
Plans, drawings, consultee responses and the officer's report
18 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this refusal means
Camden 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
55 Princess Road LONDON NW1 8JS
Erection of mansard roof extension with rear roof terrace, erection of additional storey to existing 2-storey rear wing and creation of roof terrace over at rear second floor level including replacement of window with door all in connection with existing dwelling house (Class C3).
Withdrawn Full applications Extension Loft or dormer +1Domestic -
55 Princess Road London NW1 8JS
Non-material amendment to planning permission ref 2020/5626/P dated 06/05/2021 for 'Erection of mansard roof extension with rear roof terrace; erection of a part one part two storey rear extension following the demolition of the existing two storey closet wing, and alteration to the front and rear fenestration', namely to increase the height of the segment of the party wall with 57 Princess Road by two brick courses.
Granted Full applications Extension Loft or dormer +2 -
55 Princess Road London NW1 8JS
Variation of Condition 3 (Approved Plans) of planning permission 2020/5626/P dated 06/05/2021, for the erection of a part one/part two storey rear extension following the demolition of the existing two storey closet wing, and alteration to the front and rear fenestration. Namely, retrospective permission for the erection of 2x dormers on the front roof slope in place of velux windows and removal of portion of rear parapet wall.
Refused Full applications Extension Loft or dormer +2 -
55 Princess Road London NW1 8JS
Erection of mansard roof extension with rear roof terrace all in connection with existing dwellinghouse (Class C3).
Granted Full applications Extension Loft or dormerDomestic -
55 Princess Road London NW1 8JS
Renewal of planning permsission granted 09/03/2008 (ref: 2008/5591/P) for single-storey glazed infill extension to rear lower ground floor; new entrance steps to front lightwell and the replacement of a door with a window within the basement area to an existing dwelling house(C3).
Granted Full applications Extension Windows or glazingSmall domestic -
55 Princess Road London NW1 8JS
Erection of mansard roof extension with rear roof terrace; erection of a part one part two storey rear extension following the demolition of the existing two storey closet wing, and alteration to the front and rear fenestration.
Granted Full applications Extension Loft or dormer +2
Other householder applications
In Camden
-
2026/3064/P Granted
205 Albany Street London NW1 4AB
Installation of a free standing air source heat pump in the rear courtyard. Installation of an innovative, thin and flexible PV panels to the flat section of the roof
-
26-00297-HAPP Granted
55 PATSHULL ROAD LONDON NW5 2LE
Part 1-storey and 2-storey side and rear extensions, alterations to both rear and front gardens with introduction cycle parking at front
-
2026/3121/P Awaiting decision
15 Elliott Square London NW3 3SU
Erection of a single-storey rear and side extension, one new windows to the side elevation, alterations to the existing garage opening, and replacement of the front door.
-
2026/3120/P Awaiting decision
15 Elliott Square London NW3 3SU
Erection of a single-storey rear extension, two new windows to the side elevation, alterations to the existing garage opening and replacement of the front door.
-
2026/3997/P Awaiting decision
33 Dartmouth Park Avenue London NW5 1JL
Enlargement of existing two dormer windows on the rear and side elevations including a new rear rooflight and installation of air conditioning unit on rear roof.