23 Oakhill Avenue London NW3 7RD

This site has had 2 applications since 2025.

• 2025/5791/L Awaiting decision

  23 Oakhill Avenue London NW3 7RD

  Demolition of the existing conservatory and ground-floor extensions associated with excavation works at lower ground floor level for a new two storey extension; installation of external staircase enclosure all to the rear lower and ground floor levels including installation of glazed balustrade for a new terrace area at ground floor level all to the rear elevation; internal alterations across all existing floors, including the creation of a new loft conversion with rooflights and a new staircase; installation of rooflights to the rear roofslope, refurbish and redecorate the existing historic windows, repointing of the brickwork, reinstate of the fireplaces in the principal rooms; fenestration alterations to the rear and flank elevation.

  Submitted 17 Dec 2025 Heritage and listed buildings

1. 17 Dec 2025

   Received by Camden

2. 22 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 February 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.

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 58 days. More in our guide to how long planning decisions take.

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.

• 11 Oakhill Avenue London NW3 7RD

  2026/3889/T Submitted 8 Sep 2026 50 yards away

  99% historically approved · decision due ~4 Nov

  REAR GARDEN: 1 x Magnolia (T2) - Crown reduction approx. 5m in height and approx. 15%, 0.75m - 1m. Thin by 10% to shape. All works will be carried out in accordance with BS3998:2010 - Tree Work Recommendations.

  Awaiting decision Trees 3 docs

• 11 Oakhill Avenue London NW3 7RD

  2026/3879/T Submitted 8 Sep 2026 50 yards away

  99% historically approved · decision due ~4 Nov

  (TPO REF: 5H-T42) REAR GARDEN: 1 x Oak (T1) - Reduce crown overall by approx. 10% - 15%, equating to approx. 1.5m - 2m in places, cutting back to suitable growth points and, where appropriate, the previous pruning points. Reduce lateral branches by approx. 1m - 1.5m to provide suitable clearance from the building and roof. Opposite side of crown reduce over footpath to maintain a balanced and proportionate crown. Thin epicormic/sucker growth throughout the canopy since the previous works. All works will be carried out in accordance with BS3998:2010 - Tree Work Recommendations

  Awaiting decision Trees 6 docs

• 23 Oakhill Avenue London NW3 7RD

  2025/5791/L Submitted 17 Dec 2025 50 yards away

  96% historically approved · decision due ~16 Feb

  Demolition of the existing conservatory and ground-floor extensions associated with excavation works at lower ground floor level for a new two storey extension; installation of external staircase enclosure all to the rear lower and ground floor levels including installation of glazed balustrade for a new terrace area at ground floor level all to the rear elevation; internal alterations across all existing floors, including the creation of a new loft conversion with rooflights and a new staircase; installation of rooflights to the rear roofslope, refurbish and redecorate the existing historic windows, repointing of the brickwork, reinstate of the fireplaces in the principal rooms; fenestration alterations to the rear and flank elevation.

  Awaiting decision Heritage and listed buildings Extension Loft or dormer +2 3 docs

• 21 Oakhill Avenue London NW3 7RD

  2024/5242/T 50 yards away

  FRONT GARDEN: 1 x Holly (Ilex aquifolium) (T5) - Reduce in height approx. 2m - 2.5m to the height of the window seal of the first floor. - Trim remaining crown to shape and contain.

  Granted Trees

• 25 Oakhill Avenue London NW3 7RD

  2011/0227/P 50 yards away

  Conversion of ground and first/second floor maisonette to single-family dwelling house (Class C3).

  Granted Full applications
  Domestic

• 25 Oakhill Avenue London NW3 7RD

  2011/0230/L 50 yards away

  Internal alterations in connection with conversion of ground and first/second floor maisonette to single-family dwellinghouse (Class C3).

  Granted Heritage and listed buildings
  Domestic

• 2026/3064/P Granted

  205 Albany Street London NW1 4AB

  Installation of a free standing air source heat pump in the rear courtyard. Installation of an innovative, thin and flexible PV panels to the flat section of the roof

  Received 21 Jul, published by the council 24 Jul 2026 Householder
• 26-00297-HAPP Granted

  55 PATSHULL ROAD LONDON NW5 2LE

  Part 1-storey and 2-storey side and rear extensions, alterations to both rear and front gardens with introduction cycle parking at front

  Received 27 Apr, published by the council 24 Jul 2026 Householder
• 2026/3121/P Awaiting decision

  15 Elliott Square London NW3 3SU

  Erection of a single-storey rear and side extension, one new windows to the side elevation, alterations to the existing garage opening, and replacement of the front door.

  Received 17 Sep, published by the council 21 Sep 2026 Householder
• 2026/3120/P Awaiting decision

  15 Elliott Square London NW3 3SU

  Erection of a single-storey rear extension, two new windows to the side elevation, alterations to the existing garage opening and replacement of the front door.

  Received 17 Sep, published by the council 21 Sep 2026 Householder
• 2026/3997/P Awaiting decision

  33 Dartmouth Park Avenue London NW5 1JL

  Enlargement of existing two dormer windows on the rear and side elevations including a new rear rooflight and installation of air conditioning unit on rear roof.

  Received 16 Sep, published by the council 21 Sep 2026 Householder