Skip to content
PlanIndex Get alerts
Menu

Planning application

23 Oakhill Avenue London NW3 7RD

Awaiting decision Camden 2025/5717/P Householder Application

Works: Extension Loft or dormer Demolition Windows or glazing 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

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.

As published by the council, reference 2025/5717/P

Application record

Reference
2025/5717/P
Type
Householder Application
Status
Registered
Received
17 Dec 2025
Validated
22 Dec 2025
Ward
Frognal
Postcode
NW3 7RD

Site history

Applications at this address on the Camden register

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

Timeline

Dates from the published record

  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 43 days over the applications it decided in the last year.

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What 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

  • 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

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.

    Received 2 Oct, published by the council 6 Oct 2026 Householder
  • 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.

    Received 30 Jul, published by the council 9 Aug 2026 Householder
  • 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.

    Received 1 Oct, published by the council 9 Oct 2026 Householder
  • 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.

    Received 14 Aug, published by the council 22 Aug 2026 Householder
  • 2026/2003/P Granted

    23 Glenmore Road London NW3 4BY

    Installation of external AC unit with acoustic enclosure to rear garden.

    Received 29 May, published by the council 24 Jul 2026 Householder