Planning application
23 Hornby Close London NW3 3JL
Works: Extension
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Upwards extension for additional storey at roof level and rear extension at ground floor level.
As published by the council, reference 2025/2561/P
Application record
- Reference
- 2025/2561/P
- Category
- Full applications
- Status
- Final Decision
- Decision
- Granted
- Decided
- 22 Aug 2025
- Postcode
- NW3 3JL
Site history
Applications at this address on the Camden register
This site has had 3 applications since 2016: 3 approved, 0 refused.
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2026/3187/P Granted
23 Hornby Close London NW3 3JL
Details required by condition 5 (green roof) of planning permission 2025/2561/P dated 22/08/2025 (for: Upwards extension for additional storey at roof level and rear extension at ground floor level).
-
2016/4993/P Granted
23 Hornby Close London NW3 3JL
Erection of single storey rear extension and insertion of new window to the ground floor front elevation.
Timeline
Dates from the published record
-
22 Aug 2025
Decision issued: Granted
-
22 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
2026/3187/P Granted
23 Hornby Close London NW3 3JL
Details required by condition 5 (green roof) of planning permission 2025/2561/P dated 22/08/2025 (for: Upwards extension for additional storey at roof level and rear extension at ground floor level).
What this grant of permission means
Camden granted permission on 22 August 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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
-
23 Hornby Close London NW3 3JL
Erection of single storey rear extension and insertion of new window to the ground floor front elevation.
Granted Full applications Extension Windows or glazingSmall domestic -
23 Hornby Close London NW3 3JL
Details required by condition 5 (green roof) of planning permission 2025/2561/P dated 22/08/2025 (for: Upwards extension for additional storey at roof level and rear extension at ground floor level).
Granted Full applications Extension 7 docs -
22 Hornby Close Belsize Park London NW3 3JL
Insertion of a new window to the ground floor front elevation of the existing single family dwelling house (Class C3).
Granted Full applications Windows or glazingDomestic -
21 Hornby Close London NW3 3JL
Conversion of garage into habitable space with associated external alterations and installation of bi-folding doors to the rear.
Granted Full applications Windows or glazing -
25 Hornby Close London NW3 3JL
Erection of a single storey rear extension dwellinghouse
Granted Full applications ExtensionSmall domestic -
141 Fellows Road London NW3 3JJ
Erection of a single storey extension to the rear of existing dwelling house (C3)
Granted Full applications ExtensionSmall domestic
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-
2026/3861/P Awaiting decision
Beaumont Court 1-45 College Grove London NW1 0RW
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