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Planning application

39 GREENCROFT GARDENS, NW6 3LN, LONDON

Awaiting decision Camden 2026/2138/P Certificate of Lawfulness (Existing)

Works: Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Replacement of rear sash window sashes (excluding frames), the basement door, and one fourth-floor front window with like-for-like timber units. All replacements to match the existing design and detailing, incorporating slimline double glazing.

As published by the council, reference 2026/2138/P

Application record

Reference
2026/2138/P
Type
Certificate of Lawfulness (Existing)
Status
Registered
Received
16 Sep 2026
Validated
29 Sep 2026
Ward
South Hampstead
Postcode
NW6 3LN

Timeline

Dates from the published record

  1. 16 Sep 2026

    Received by Camden

  2. 29 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 6 Oct 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 24 November 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

11 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 lawful development applications in a median of 52 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 39 Greencroft Gardens London NW6 3LN

    2026/2154/T Submitted 27 May 2026 50 yards away

    REAR GARDEN: 1 x Birch (T1) - Reduce crown by approx. 1.5m. 1 x Apple (T2) - Reduce crown to previous pruning points, approx. 2m reduction. 1 x Birch (T3) - Fell to ground level. 1 x Lime (T4) - Reduce crown to previous pruning points, approx. 3m reduction.

    Granted Trees 9 docs
  • 39 Greencroft Gardens London NW6 3LN

    2017/4001/T 50 yards away

    REAR GARDEN: 1 x Lime - Approximately 3m crown reduction and lift to 5m from ground level. 1 x Birch - 1.5m crown reduction.

    Granted Trees
  • 39 Greencroft Gardens London NW6 3LN

    2023/2641/T 50 yards away

    REAR GARDEN: 1 x Birch (T1) - Reduce crown to previous pruning points, approx. 2m reduction. 1 x Robinia (T2) - Reduce crown by approx. 1.5m. 1 x Birch (T3) - Reduce crown by approx. 3m.

    Granted Trees
  • 39 Greencroft Gardens London NW6 3LN

    2021/2274/T 50 yards away

    REAR GARDEN: 1 x Lime (T1) - Reduce crown to previous pruning points, approx. 2m reduction. 1 x Birch (T2) - Reduce crown by up to 3m. 1 x Birch (T3) - Reduce crown by up to 1.5m. 1 x Apple tree (T4) - Reduce crown by up to 1m.

    Granted Trees
  • 39 Greencroft Gardens London NW6 3LN

    2020/0738/P 50 yards away

    Installation of cycle store in front garden, replacement sash windows to rear upper and lower ground floors, new bi-fold doors to rear lower ground floor and associated works

    Granted Full applications Windows or glazing
  • 33 Greencroft Gardens London NW6 3LN

    2025/5870/P Submitted 24 Dec 2025 50 yards away

    Certificate of lawful development (existing) for historic operational development comprising of garden works, historic extensions and infill works for over 10 years

    Granted Lawful development Extension 18 docs

In Camden

  • 2026/4314/P Awaiting decision

    Basement Flat & Flat Raised Ground Floor 46 Primrose Hill Road London NW3 3AA

    Amalgamation of two self-contained flats to form a self-contained maisonette on lower ground and raised ground floor.

    Received 6 Oct, published by the council 9 Oct 2026 Lawful development
  • 2026/4304/P Awaiting decision

    68 Clarence Way London NW1 8DG

    Erection of single storey outbuilding in rear garden.

    Received 2 Oct, published by the council 9 Oct 2026 Lawful development
  • 2026/3821/P Granted

    Plots B, C and D at Highgate Studios Highgate Road London NW5 1TL

    Certificate of Lawful Development to confirm the lawful use of the site is for office use (Class E(g)(i)) and that the use of the site as a gym (Class E(d)) or any other use falling within Class E would be lawful.

    Received 4 Sep, published by the council 11 Sep 2026 Lawful development
  • 2026/3389/P Granted

    99 Heath Street London NW3 6SS

    Confirmation of the implementation of planning permission 2007/3874/P granted, subject to a legal agreement dated 06/12/2007 for 'Change of use from offices (A2) to single family dwellinghouse (C3), the erection of extension at rear ground floor level within courtyard and formation of a terrace over, extension at ground floor level to western end of courtyard, creation of off-street open car parking space and minor elevational changes to The Mount elevation.', by way of erection of the extension at ground floor level to the western end of the courtyard, creation of an off-street car parking space, and minor elevational changes to the Mount elevation.

    Received 7 Aug, published by the council 15 Aug 2026 Lawful development
  • 2026/2493/P Granted

    8 Fitzroy Road London Camden NW1 8TX

    Use of the entire building for a single-family home (C3 residential).

    Received 16 Jun, published by the council 24 Jul 2026 Lawful development