Planning application
Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ
Works: Extension Demolition Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of a single-storey rear extension following demolition of the existing; partial excavation to existing lower ground floor level; installation of parapet and planters for use of roof to extension as a terrace with new external steps and access from new rear upper ground floor level doors; removal of external steps and new entrance to side elevation; alterations and new windows to rear, side and front elevations, including new bay window at lower ground floor following the removal of existing garage door to front elevation; and installation of new planter to driveway.
As published by the council, reference 2025/0544/P
Application record
- Reference
- 2025/0544/P
- Category
- Full applications
- Status
- Registered
- Postcode
- NW3 7QJ
Site history
Applications at this address on the Camden register
This site has had 3 applications since 2026: 2 approved, 0 refused.
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2026/1721/P Granted
Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ
Details required by condition 4 (window, doors, gates) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.
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2026/0890/P Granted
Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ
Details required by condition 6 (basement engineer) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.
Timeline
Dates from the published record
-
22 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
Camden took a median of 42 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
2 later applications on the register refer to this one:
-
2026/1721/P Granted
Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ
Details required by condition 4 (window, doors, gates) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.
-
2026/0890/P Granted
Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ
Details required by condition 6 (basement engineer) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.
What happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 56 days. More in our guide to how long planning decisions take.
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 0.3 miles
-
Flat A 41 Hollycroft Avenue London NW3 7QJ
Erection of dormer roof extension including replacement of 2 roof lights to rear roof slope and addition of 2 roof lights to front roof slope all at fourth floor level
Granted Full applications Extension Loft or dormer -
Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ
Details required by condition 6 (basement engineer) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.
Granted Full applications Extension 4 docsSmall domestic -
41 Hollycroft Avenue London NW3 7QJ
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Granted Trees -
Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ
Details required by condition 4 (window, doors, gates) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.
Granted Full applications Extension Windows or glazing 6 docsSmall domestic -
41 Hollycroft Avenue London NW3 7QJ
REAR GARDEN: 1 x Bay (T2) - Crown reduction of 2m on all aspects of tree.
Granted Trees 3 docs -
Flat A 41 Hollycroft Avenue London NW3 7QJ
Replacement of 3 rooflights within side and rear roofslopes.
Granted Full applications Loft or dormer 8 docs
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