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Planning application

20 Howitt Road London NW3 4LL

Granted Camden 2025/4475/P Certificate of Lawfulness (Existing)

Relates to 2022/2074/P

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

Proposal

Confirmation that planning permission ref. 2022/2074/P (dated 10/10/2022) has been lawfully implemented by the carrying out of material operations prior to the expiry of the permission.

As published by the council, reference 2025/4475/P

Application record

Reference
2025/4475/P
Type
Certificate of Lawfulness (Existing)
Status
Final Decision
Decision
Granted
Received
7 Oct 2025
Validated
14 Oct 2025
Decided
2 Dec 2025
Ward
Belsize
Decision by
Delegated
Postcode
NW3 4LL

Site history

Applications at this address on the Camden register

This site has had 4 applications since 2016: 4 approved, 0 refused.

  • 2025/5062/P Granted

    20 Howitt Road London NW3 4LL

    Change of use from a HMO (Class C4) and 2 bed flat into a single family dwelling; replacement of all existing windows with double glazed timber sash windows; demolition of existing rear extension and replace with a full width single storey rear extension; installation of two rooflights on front roofslope and two rooflights on rear roofslope; and associated external alterations.

    Decided 31 Mar 2026 Full applications
  • 2023/0847/P Granted

    20 Howitt Road London NW3 4LL

    Change of use from a HMO (Class C4) and 2 bed flat into a single family dwelling; replacement of all existing windows with double glazed timber sash windows; extension to the existing basement to include a front lightwell; demolish the existing rear extension and replace with a full width single storey rear extension; installation of a rooflight within the front roofslope and two rooflights on the rear roofslope; and external alternations.

    Decided 11 Sep 2024 Full applications
  • 2016/1810/P Granted

    20 Howitt Road London NW3 4LL

    Use of first and second floor levels for 6 x HMO (houses in multiple occupation) units (Class C4).

    Decided 26 May 2016 Full applications

Timeline

Dates from the published record

  1. 7 Oct 2025

    Received by Camden

  2. 14 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 2 Dec 2025

    Decision issued: Granted

  4. 9 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 2022/2074/P Granted

    20 Howitt Road London Camden NW3 4LL

    Change of use from a HMO (C4 use) and 2 bed flat to a single family dwelling, the erection of a bike store and waste store area in the front garden and associated landscaping

    Decided 10 Oct 2022 Full applications

Documents

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

13 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 2 December 2025, 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

  • 20 Howitt Road London NW3 4LL

    2016/1810/P 50 yards away

    Use of first and second floor levels for 6 x HMO (houses in multiple occupation) units (Class C4).

    Granted Full applications

  • 20 Howitt Road London Camden NW3 4LL

    2022/2074/P 50 yards away

    Change of use from a HMO (C4 use) and 2 bed flat to a single family dwelling, the erection of a bike store and waste store area in the front garden and associated landscaping

    Granted Full applications
    Domestic

  • 20 Howitt Road London NW3 4LL

    2025/5062/P Submitted 7 Nov 2025 50 yards away

    Change of use from a HMO (Class C4) and 2 bed flat into a single family dwelling; replacement of all existing windows with double glazed timber sash windows; demolition of existing rear extension and replace with a full width single storey rear extension; installation of two rooflights on front roofslope and two rooflights on rear roofslope; and associated external alterations.

    Granted Full applications Extension Loft or dormer +2 23 docs
    Small domestic

  • 20 Howitt Road London NW3 4LL

    2023/0847/P 50 yards away

    Change of use from a HMO (Class C4) and 2 bed flat into a single family dwelling; replacement of all existing windows with double glazed timber sash windows; extension to the existing basement to include a front lightwell; demolish the existing rear extension and replace with a full width single storey rear extension; installation of a rooflight within the front roofslope and two rooflights on the rear roofslope; and external alternations.

    Granted Full applications Extension Loft or dormer +2
    Small domestic

  • 20 Howitt Road London Camden NW3 4LL

    2025/3011/P 50 yards away

    Details required by condition 4 (living roofs) of planning permission 2022/2074/P granted 10/10/2022 (for change of use from a HMO (C4 use) and 2 bed flat to a single family dwelling, the erection of a bike store and waste store area in the front garden and associated landscaping).

    Granted Full applications
    Domestic

  • 22 Howitt Road London NW3 4LL

    2020/1490/P 50 yards away

    Erection of a single storey rear extension and replacement of rear French doors with window.

    Granted Full applications Extension Windows or glazing
    Small domestic

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