Planning application
17 Hornby Close London NW3 3JL
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey ground floor rear extension.
As published by the council, reference 2026/0602/P
Application record
- Reference
- 2026/0602/P
- Type
- Certificate of Lawfulness (Proposed)
- Status
- Final Decision
- Decision
- Granted
- Received
- 13 Feb 2026
- Validated
- 25 Feb 2026
- Decided
- 26 Mar 2026
- Ward
- Primrose Hill
- Decision by
- Delegated
- Postcode
- NW3 3JL
Site history
Applications at this address on the Camden register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
2026/1233/P Granted
17 Hornby Close London NW3 3JL
Erection of additional (second) storey.
Timeline
Dates from the published record
-
13 Feb 2026
Received by Camden
-
25 Feb 2026
Validated
Checked as complete and ready for consideration.
-
26 Mar 2026
Decision issued: Granted
-
9 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
15 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Camden granted permission on 26 March 2026, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
17 Hornby Close London NW3 3JL
Erection of additional (second) storey.
Granted Full applications 15 docs -
18 Hornby Close London NW3 3JL
Replacement of the garage door with a window in association with the use of the garage as habitable space.
Granted Householder Windows or glazing 9 docsDomestic -
12 Hornby Close London NW3 3JL
Erection of additional storey to the existing dwellinghouse.
Granted Full applicationsDomestic -
12 Hornby Close London NW3 3JL
Replacement garage door with louvre door to the front elevation.
Granted Full applications -
1-161 Taplow Adelaide Road London NW3 3NU
Installation of 6 pole mounted antennas (2 each on 3 poles), 3 cabinets, 3 dishes and 3 RRU's (remote control radio units) fixed to poles on a tripod frame (5 on each tripod).
Granted Full applications -
10 Hornby Close London NW3 3JL
Erection of a single storey rear garden extension, garage conversion and alteration of front garage door.
Granted Full applications ExtensionSmall domestic
Other lawful development applications
In Camden
-
2026/3669/P Awaiting decision
64 Westcroft Close London NW2 2RR
Demolition of existing conservatory and erection of a single storey rear extension.
-
2026/3405/P Granted
Flat A and Flat B 23 Ravenshaw Street London NW6 1NP
Amalgamation of Flat 23A and Flat 23B to form one dwellinghouse (Use Class C3), including, insofar as required, the change of use of Flat 23B from a small house in multiple occupation (Use Class C4) to a dwellinghouse (Use Class C3), together with removal of an internal blockwork partition wall.
-
2026/3591/P Awaiting decision
22 Ulysses Road London NW6 1EE
Erection of an outbuilding within rear garden.
-
2026/3566/P Awaiting decision
41 & 43 King Henry's Road London NW3 3QR
Subdivision and use of the buildings as two separate residential dwellings.
-
2026/3527/P Awaiting decision
303 Flat Ground Floor Rear Studio West End Lane London Camden NW6 1RD
Use of ground floor studio flat as single dwelling unit (Class C3)