Planning application
17 Dartmouth Park Avenue London NW5 1JL
Works: Extension Loft or dormer Roofing
Relates to 2024/1434/P, 2023/1650/P
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Non-Material Amendment to planning reference 2023/1650/P dated 17/10/23 as amended by planning refereence 2024/1434/P dated 30/08/24 for replacement of side extension to the South Elevation, new rear extension to the lower ground floor, side annex to the North Elevation, front lightwell, general refurbishment to lower ground floor, replacement roof light to north pitch of the property and construction of outbuilding at the rear of the garden. NAMELY: amendments to guardrail.
As published by the council, reference 2026/3431/P
Application record
- Reference
- 2026/3431/P
- Type
- Non Material Amendments
- Status
- Registered
- Received
- 11 Aug 2026
- Validated
- 12 Aug 2026
- Ward
- Highgate
- Postcode
- NW5 1JL
Site history
Applications at this address on the Camden register
This site has had 5 applications since 2023: 3 approved, 1 refused.
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2024/4520/P Granted
17 Dartmouth Park Avenue London NW5 1JL
Formation of a window at lower ground floor level including a pivot wall for ventilation and formation of a window at first floor level, both on the side elevation.
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2023/1650/P Granted
17 Dartmouth Park Avenue London NW5 1JL
Replacement of side extension to the South Elevation, new rear extension to the lower ground floor, side annex to the North Elevation, front lightwell, general refurbishment to lower ground floor, replacement roof light to north pitch of the property and construction of outbuilding at the rear of the garden.
-
2023/2163/P Refused
17 Dartmouth Park Avenue London NW5 1JL
Construction of low level side window to north elevation
-
2022/5547/T Granted
17 Dartmouth Park Avenue London NW5 1JL
REAR GARDEN: 1 x Pear (T1) - Prune back branches overhanging boundary line. Reduce lateral spread overhanging 2m.
Timeline
Dates from the published record
-
11 Aug 2026
Received by Camden
-
12 Aug 2026
Validated
Checked as complete and ready for consideration.
-
15 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 7 October 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 42 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
2024/1434/P Granted
17 Dartmouth Park Avenue London Camden NW5 1JL
Non-Material Amendment to planning reference 2023/1650/P dated 17/10/23 for replacement of side extension to the South Elevation, new rear extension to the lower ground floor, side annex to the North Elevation, front lightwell, general refurbishment to lower ground floor, replacement roof light to north pitch of the property and construction of outbuilding at the rear of the garden. NAMELY: design amendments to north elevation sash window, slight narrowing of shed and materials of extension are now clear glazing and thicker metal to fascia.
-
2023/1650/P Granted
17 Dartmouth Park Avenue London NW5 1JL
Replacement of side extension to the South Elevation, new rear extension to the lower ground floor, side annex to the North Elevation, front lightwell, general refurbishment to lower ground floor, replacement roof light to north pitch of the property and construction of outbuilding at the rear of the garden.
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.
Trade members open them 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 amendment applications in a median of 48 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
17 Dartmouth Park Avenue London NW5 1JL
Formation of a window at lower ground floor level including a pivot wall for ventilation and formation of a window at first floor level, both on the side elevation.
Granted Full applications Windows or glazing -
17 Dartmouth Park Avenue London NW5 1JL
Replacement of side extension to the South Elevation, new rear extension to the lower ground floor, side annex to the North Elevation, front lightwell, general refurbishment to lower ground floor, replacement roof light to north pitch of the property and construction of outbuilding at the rear of the garden.
Granted Full applications Extension Loft or dormer +1 -
17 - 19 Dartmouth Park Avenue London NW5 1JL
REAR GARDEN: 1 x Leylandii (T1) - Reduce height by 3m, trim sides by 1m. 1 x Plum (T2) - Reduce height by 2.5m and shape the crown. 1 x Holly (T3) - Reduce height by 2m and shape the crown. 1 x Bay (T4) - Reduce height of main stem by 1.5m and prune the sides by 1m.
Granted Trees -
17 Dartmouth Park Avenue London Camden NW5 1JL
88% historically approved · decision due ~26 Mar
Installation of air conditioning to the house, external A/C condensers located at the back of the outhouse and minor amendments to the outhouse
Awaiting decision Householder 8 docsDomestic -
17 Dartmouth Park Avenue London Camden NW5 1JL
Enlargement of rear dormer window
Granted Full applications Loft or dormer Windows or glazing -
17 Dartmouth Park Avenue London Camden NW5 1JL
Non-Material Amendment to planning reference 2023/1650/P dated 17/10/23 for replacement of side extension to the South Elevation, new rear extension to the lower ground floor, side annex to the North Elevation, front lightwell, general refurbishment to lower ground floor, replacement roof light to north pitch of the property and construction of outbuilding at the rear of the garden. NAMELY: design amendments to north elevation sash window, slight narrowing of shed and materials of extension are now clear glazing and thicker metal to fascia.
Granted Full applications Extension Loft or dormer +2Small domestic
Other amendment applications
In Camden
-
2026/3509/P Awaiting decision
Flat A 55 Leverton Street London NW5 2NX
Non-material amendment to planning permission 2026/0413/P dated 12/05/2026 (Erection of a single storey side and rear extension, re-construction of rear garden boundary wall, replacement of a ground floor rear window with an access door, replacement of a side door with a window, insertion of two rooflights and reinstatement of front sash windows), namely to reduce the depth of the side element of the approved extension.
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2026/2540/P Granted
50-51 Russell Square London WC1B 4JP
Non-material amendment to planning permission ref. 2023/5470/P (dated 13/03/2025) for: Deep refurbishment of existing building including new facades; erection of replacement roof extension with terrace to rear; reopening of lightwell to front and reconfiguration of entrance area; demolition of two storey outrigger and replacement with three storeys plus plant enclosure; single storey rear infill extension to existing car park with terrace above; erection of full height stair rear core extension. NAMELY for alterations to the front lightwell, ground floor entrances, fifth floor fenestration, plant enclosure, and rear terrace.
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2026/3341/P Granted
Flat A 71 Fitzjohn's Avenue London NW3 6PD
Non-material amendment to planning permission 2025/2351/P dated 30/07/2025 (Various external works including refurbishment and alterations to rear elevation fenestration and entrance door, replacement of existing single glazed windows with double glazed windows and alterations to side elevation fenestration, and re-landscaping works to rear garden), namely to alter the design of the rear doors and replace an existing timber louvre with brickwork to side elevation.
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2026/3097/P Awaiting decision
7 Belsize Park Gardens London NW3 4LB
Non-material amendment to planning permission ref. 2025/5424/P dated 06/05/2026 for 'front alterations including reduction of length of metal railings and widening of opening for access to bins, installation of tiling to new entrance steps, installation of door to storage area & handrail to Flat A, and alterations to side boundary doorway', namely, to change the material for the new entrance steps and front paving.
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2026/2606/P Granted
Chester Road Hostel 2 Chester Road London N19 5BP
Non-material amendments to planning permission 2020/3461/P dated 11/05/2021 (for: Redevelopment of the site to include demolition of existing hostel building and the erection of a new hostel building (sui generis) formed of 3 x part 3, part 4 storey blocks with 2 x external stairwells arranged around a central courtyard. Associated works include installation of plant equipment, access arrangements and tree and landscaping works) NAMELY re-design and re-positioning of the boundary treatment near the site entrance and erection of retaining wall and balustrade in connection with revisions to ramp access to bin store