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Planning application

13 St Mark's Crescent London NW1 7TS

Granted Camden 26-00264-LDCP Certificate of Lawfulness (Proposed)

Works: Extension Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Replacement of glass panels with bi-fold doors of existing rear conservatory. Replacement of door with widow on side elevation.

As published by the council, reference 26-00264-LDCP

Application record

Reference
26-00264-LDCP
Type
Certificate of Lawfulness (Proposed)
Status
Final Decision
Decision
Granted
Received
17 Mar 2026
Validated
20 Mar 2026
Decided
29 Apr 2026
Ward
Primrose Hill
Decision by
Delegated
Postcode
NW1 7TS

Site history

Applications at this address on the Camden register

This site has had 10 applications since 2010: 10 approved, 0 refused.

  • 2024/4497/T Granted

    13 St. Mark's Crescent London NW1 7TS

    REAR GARDEN: 1 x Willow (T1) - Reduce to previous points, approx. 5m ensuring natural shape and lateral growth

    Decided 11 Nov 2024 Trees
  • 2022/5539/P Granted

    13 St Mark's Crescent London NW1 7TS

    Erection of single storey rear extension with roof terrace above, involving lowering of lower ground level. Associated works including alterations to rear bay and side elevation.

    Decided 10 Jul 2024 Full applications
  • 2023/0465/T Granted

    13 St Mark's Crescent London NW1 7TS

    REAR GARDEN: 1 x Willow (T1) - Reduce to previous points, approx. 5m tol ensure a natural shape and lateral growth.

    Decided 7 Mar 2023 Trees
  • 2022/2457/T Granted

    13 St Mark's Crescent London NW1 7TS

    REAR GARDEN: 1 x Silver Birch (T1) - Fell to ground level.

    Decided 21 Jul 2022 Trees
  • 2021/5094/T Granted

    13 St Mark's Crescent London NW1 7TS

    REAR GARDEN: 1 x Silver Birch (T1) - Thin crown by 10%. 1 x Willow (T2) - Reduce to previous points, approx. 5m and retain alteral growth.

    Decided 26 Nov 2021 Trees
  • 2016/6774/T Granted

    13 St Mark's Crescent LONDON NW1 7TS

    REAR GARDEN: 1 x Willow - Repollard the crown at the original pollard points, educe the tree to a point approximately 1 to 2m beyond the current pollard points. Reshape crown. 1 x Birch - Reduce the height by up to 1.5m beyond the previous pruning points. The rest of the crown to be reduced back towards previous pruning.

    Decided 20 Jan 2017 Trees
  • 2015/0786/T Granted

    13 St Mark's Crescent London NW1 7TS

    REAR GARDEN: 1 x Birch - Crown reduce by up to 3m 1 x Willow - Reduce up to previous points

    Decided 24 Feb 2015 Trees
  • 2011/5106/T Granted

    13 St Mark's Crescent London NW1 7TS

    REAR GARDENL 1 x Willow - Pollard back to previous points. 1 x Silver Birch - Reduce crown by 15% and thin crown by 15%.

    Decided 19 Oct 2011 Trees
  • 2010/5266/P Granted

    13 St Mark's Crescent London NW1 7TS

    Erection of a single storey rear extension to an existing single dwelling (Class C3).

    Decided 29 Nov 2010 Full applications

Timeline

Dates from the published record

  1. 17 Mar 2026

    Received by Camden

  2. 20 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 29 Apr 2026

    Decision issued: Granted

  4. 9 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

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 this grant of permission means

Camden granted permission on 29 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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

  • 13 St Mark's Crescent London NW1 7TS

    2015/0786/T 50 yards away

    REAR GARDEN: 1 x Birch - Crown reduce by up to 3m 1 x Willow - Reduce up to previous points

    Granted Trees

  • 13 St Mark's Crescent London NW1 7TS

    2021/5094/T 50 yards away

    REAR GARDEN: 1 x Silver Birch (T1) - Thin crown by 10%. 1 x Willow (T2) - Reduce to previous points, approx. 5m and retain alteral growth.

    Granted Trees

  • 13 St Mark's Crescent London NW1 7TS

    2022/5539/P 50 yards away

    Erection of single storey rear extension with roof terrace above, involving lowering of lower ground level. Associated works including alterations to rear bay and side elevation.

    Granted Full applications Extension
    Small domestic

  • 13 St. Mark's Crescent London NW1 7TS

    2024/4497/T 50 yards away

    REAR GARDEN: 1 x Willow (T1) - Reduce to previous points, approx. 5m ensuring natural shape and lateral growth

    Granted Trees

  • 13 St Mark's Crescent London NW1 7TS

    2010/5266/P 50 yards away

    Erection of a single storey rear extension to an existing single dwelling (Class C3).

    Granted Full applications Extension
    Small domestic

  • 13 St Mark's Crescent LONDON NW1 7TS

    2016/6774/T 50 yards away

    REAR GARDEN: 1 x Willow - Repollard the crown at the original pollard points, educe the tree to a point approximately 1 to 2m beyond the current pollard points. Reshape crown. 1 x Birch - Reduce the height by up to 1.5m beyond the previous pruning points. The rest of the crown to be reduced back towards previous pruning.

    Granted Trees

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