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Planning application

25/07376/CLEUD

Ground Floor To Top Floor 53 Balcombe Street London NW1 6HD

Awaiting decision Westminster Certificate of Lawfulness (existing)

Proposal

Use of ground to third floors as a family dwelling house. (Class C3). (Linked with 25/07398/LBC)

As published by the council, reference 25/07376/CLEUD

Timeline

Dates from the published record

  1. 13 Oct 2025

    Received by Westminster

  2. 15 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 25/07398/LBC Awaiting decision

    Ground Floor To Top Floor 53 Balcombe Street London NW1 6HD

    Internal alterations to change plan form in association with use as single dwelling house (Retrospective). (Linked with 25/07376/CLEUD)

    13 Oct 2025 0m away Heritage and listed buildings
  • 26/04004/FULL Awaiting decision

    13 Linhope Street London NW1 6HT

    Front basement level lightwell with sliding doors; the modest stepping out of the righthand portion of the rear elevation to align with the adjoining building Line; replacement of first floor rear window with a set of French doors and Juliette Balcony; and addition of a privacy screen at the high-level boundary with 35 Huntsworth Mews to the rear.

    17 Jun 2026 41m away Full applications
  • 25/05835/FULL Awaiting decision

    43 Linhope Street London NW1 6HL

    Use of first and second floor as a residential flat; changes to ground floor front elevation and installation of side facing window.

    18 Aug 2025 50m away Full applications
  • 25/06711/TDD Awaiting decision

    20 Ivor Place London NW1 6EU

    Removal of Cabbage Palm located in the front garden.

    16 Sep 2025 50m away Trees
  • 26/00355/FULL Awaiting decision

    67 Balcombe Street London NW1 6HD

    Conversion of existing under pavement vaults to create new bathroom, store and service room with link at lower ground level between house and vaults under entrance step. (Linked to 26/00356/LBC)

    21 Jan 2026 53m away Full applications
  • 26/00356/LBC Awaiting decision

    67 Balcombe Street London NW1 6HD

    Conversion of existing under pavement vaults to create new bathroom, store and service room with link at lower ground level between house and vaults under entrance step. (Linked to 26/00355/FULL)

    21 Jan 2026 54m away Heritage and listed buildings

In Westminster

  • 26/04958/CLEUD Awaiting decision

    1 Sussex Square London W2 2SJ

    Use of a building as mixed use as C3 (single residential dwelling) and C1 (short-stay accommodation)

    24 Jul 2026 Lawful development
  • 26/04971/CLOPUD Awaiting decision

    Flat 23 192 Emery Hill Street London SW1P 1PN

    Replacement of the existing single-glazed moving window sashes, casement panels, and balcony door leaves with slimline double-glazed timber units. The existing outer timber frames fixed into the building will be retained and will not be removed or altered. The replacement units will match the existing windows in material, design, glazing bar pattern, opening method, dimensions, and external appearance. No alterations are proposed to the building structure, external walls, openings, or window frame sizes. No new access, alterations to existing access, new streets, hardstandings, means of enclosure, or drainage works are proposed. The precise location and details of the replacement windows are shown on the accompanying drawings.

    24 Jul 2026 Lawful development
  • 26/04832/CLEUD Awaiting decision

    Basement Flat 117 Kilburn Park Road London NW6 5LB

    Use or Development in respect of the detached single-storey outbuilding within the rear garden of the applicants property.

    20 Jul 2026 Lawful development
  • 26/04856/CLOPUD Awaiting decision

    Flat 15 192 Emery Hill Street London SW1P 1PN

    Replacement of the existing single-glazed moving sashes, casement panels, and balcony door leafs with slimline double glazed timber units within the fully retained existing external timber frames.

    20 Jul 2026 Lawful development
  • 26/04632/CLOPUD Awaiting decision

    165 Oliphant Street London W10 4EA

    Installation of solar panels to generate clean, renewable energy from sunlight and reduce reliance on grid electricity and fossil fuels.

    10 Jul 2026 Lawful development