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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.

Trade members open them 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 500 metres

  • 13 St Mark's Crescent London NW1 7TS

    2015/0786/T 0m 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 0m 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 0m 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 0m 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 0m 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 0m 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

  • 2026/3669/P Awaiting decision

    64 Westcroft Close London NW2 2RR

    Demolition of existing conservatory and erection of a single storey rear extension.

    26 Aug 2026 Lawful development
  • 2026/3405/P Granted

    Flat A and Flat B 23 Ravenshaw Street London NW6 1NP

    Amalgamation of Flat 23A and Flat 23B to form one dwellinghouse (Use Class C3), including, insofar as required, the change of use of Flat 23B from a small house in multiple occupation (Use Class C4) to a dwellinghouse (Use Class C3), together with removal of an internal blockwork partition wall.

    3 Aug 2026 Lawful development
  • 2026/3591/P Awaiting decision

    22 Ulysses Road London NW6 1EE

    Erection of an outbuilding within rear garden.

    21 Aug 2026 Lawful development
  • 2026/3566/P Awaiting decision

    41 & 43 King Henry's Road London NW3 3QR

    Subdivision and use of the buildings as two separate residential dwellings.

    19 Aug 2026 Lawful development
  • 2026/3527/P Awaiting decision

    303 Flat Ground Floor Rear Studio West End Lane London Camden NW6 1RD

    Use of ground floor studio flat as single dwelling unit (Class C3)

    18 Aug 2026 Lawful development