23 Oakhill Avenue London NW3 7RD

This site has had 2 applications since 2025.

• 2025/5717/P 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 alteration to the fenestration treatment to the rear and side elevations, installations of rooflight to the main roofslope, installation of glazed balustrade for a new terrace area at ground floor level all to the rear elevation.

  Submitted 17 Dec 2025 Householder

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 heritage and listed building applications in a median of 55 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. 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

  2025/5717/P Submitted 17 Dec 2025 50 yards away

  88% 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 alteration to the fenestration treatment to the rear and side elevations, installations of rooflight to the main roofslope, installation of glazed balustrade for a new terrace area at ground floor level all to the rear elevation.

  Awaiting decision Householder Extension Loft or dormer +2 15 docs
  Small domestic

• 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

• 2026/3449/L Awaiting decision

  Alexandra & Ainsworth TRA Hall 100 Rowley Way London NW8 0SW

  Reconstuction of roof loggia and roof lantern drainage channel pursuant to planning permission ref 2023/3413/P and listed building consent ref 2023/4012/L granted on 18/12/2024, for various works of roof repair and replacement.

  Received 18 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/3087/L 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 Heritage and listed buildings
• 2026/4003/L Awaiting decision

  10 Sicilian Avenue London Camden WC1A 2QH

  Internal alterations to ground floor and basement level, including new partitions and mechanical ventillation.

  Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/4002/L Awaiting decision

  Flat A 4 Rowley Way London NW8 0SF

  Internal refurbishment including replacement of non-original kitchen and bathroom fittings, repair and refinishing of original internal timber joinery, replacement of floor finishes and internal redecoration.

  Received 16 Sep, published by the council 21 Sep 2026 Heritage and listed buildings
• 2026/3990/L Awaiting decision

  Unison Centre 130 Euston Road London Camden NW1 2AY

  Repair and refurbishment works.

  Received 15 Sep, published by the council 21 Sep 2026 Heritage and listed buildings