Planning application
36 Hollycroft Avenue London NW3 7QN
Works: Extension Loft or dormer 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
Replacement of the existing first-floor rear conservatory with a rear extension; erection of second storey rear extension; extension of the existing roof terrace above; removal of the existing side dormer and installation of three conservation-style rooflights; alterations to the side elevation including the infilling of existing openings and formation of new openings; and relocation of the side entrance door.
As published by the council, reference 2026/3066/P
Application record
- Reference
- 2026/3066/P
- Type
- Householder Application
- Status
- Registered
- Received
- 21 Jul 2026
- Validated
- 22 Jul 2026
- Ward
- Frognal
- Postcode
- NW3 7QN
Site history
Applications at this address on the Camden register
This site has had 4 applications since 2013: 3 approved, 0 refused.
-
2026/2055/P Granted
36 Hollycroft Avenue London NW3 7QN
Replacement of second floor rear extension and associated external alterations to the existing dwellinghouse, including extension of the roof terrace, replacement of side dormer with conservation rooflights, alterations to side openings and entrance door, and installation of new stairwell windows.
-
2021/5316/P Granted
36 Hollycroft Avenue London NW3 7QN
Installation of 2 conservation rooflights to front gable roofslopes, re-cladding of existing front dormer in plain clay tiles and replacement of its dormer window.
-
2013/4741/T Granted
36 Hollycroft Avenue London NW3 7QN
REAR GARDEN: 2 x Laurel - Fell to ground level. 1 x Holly - Fell to ground level. 1 x Acer - Fell to ground level.
Timeline
Dates from the published record
-
21 Jul 2026
Received by Camden
-
22 Jul 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Camden took a median of 43 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
5 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 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 householder applications in a median of 66 days. More in our guide to how long planning decisions take.
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
-
36 Hollycroft Avenue London NW3 7QN
Replacement of second floor rear extension and associated external alterations to the existing dwellinghouse, including extension of the roof terrace, replacement of side dormer with conservation rooflights, alterations to side openings and entrance door, and installation of new stairwell windows.
Granted Full applications Extension Loft or dormer +1 6 docsDomestic -
Flat B 36 Hollycroft Avenue London NW3 7QN
Alterations to the side elevation, including, replacement porch, fence and gate with reconfiguration of steps and path to entrance of the upper floor flat.
Granted Full applications ExtensionSmall domestic -
Flat B 36 Hollycroft Avenue London NW3 7QN
Installation of 2x conservation rooflights to either side of the gable end. Re-cladding of existing dormer in plain clay tiles and replacement of existing dormer window with painted timber window
Withdrawn Full applications Loft or dormer Windows or glazing -
36 Hollycroft Avenue London NW3 7QN
REAR GARDEN: 2 x Laurel - Fell to ground level. 1 x Holly - Fell to ground level. 1 x Acer - Fell to ground level.
Granted Trees -
36 Hollycroft Avenue London NW3 7QN
Installation of 2 conservation rooflights to front gable roofslopes, re-cladding of existing front dormer in plain clay tiles and replacement of its dormer window.
Granted Full applications Loft or dormer Windows or glazing -
36 Hollycroft Avenue London Camden NW3 7QN
Amalgamation of two dwellings into one
Granted Lawful development 5 docsSeveral homes
Other householder applications
In Camden
-
2026/4031/P Awaiting decision
10 Albert Street London NW1 7NZ
Erection of an extension to widen rear dormer window at second floor.
-
2026/3231/P Granted
9 Wadham Gardens London NW3 3DN
Replacement rear timber casement window, installation of timber-panelled side access door, replacement of existing front boundary gates and piers, installation of metal railings, provision of reclaimed Yorkstone paving to the front garden and associated works.
-
2026/4030/P Awaiting decision
6 Leverton Street London NW5 2PJ
Replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.
-
2026/3493/P Granted
2 Wildwood Terrace London NW3 7HT
Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.
-
2026/2003/P Granted
23 Glenmore Road London NW3 4BY
Installation of external AC unit with acoustic enclosure to rear garden.