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Planning application

25/05166/CLOPUD

31E Randolph Crescent London W9 1DP

Awaiting decision Westminster Certificate of Lawfulness (proposed)

Proposal

Repositioning of the existing boiler flue on the rear elevation of the property with the addition of two proposed air bricks.

As published by the council, reference 25/05166/CLOPUD

Timeline

Dates from the published record

  1. 24 Jul 2025

    Received by Westminster

  2. 11 Aug 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

  • 26/04185/TPO Granted

    37 Randolph Crescent London W9 1DP

    2 x Lime (T1 and T2): crown reduce to previous, most recent reduction points, retaining selected shortened furnishing growth. Remove basak growth and trunk suckers up to crown break (5m max.) and thin inner canopy by 15%.

    24 Jun 2026 29m away Trees
  • 25/05808/FULL Granted

    25A Randolph Crescent London W9 1DP

    Replacement windows and doors including installation of security grilles to the lower ground floor flat.

    18 Aug 2025 30m away Full applications
  • 25/05809/FULL Granted

    Ground Floor Flat 25 Randolph Crescent London W9 1DP

    Replacement of the upper ground and first floor windows on the front elevation and the first floor windows on the rear elevation.

    18 Aug 2025 30m away Full applications
  • 25/08927/NMA Granted

    25A Randolph Crescent London W9 1DP

    Amendments to planning permission dated 2nd October 2025 (RN: 25/05808/FULL) for Replacement windows and doors including installation of security grilles to the lower ground floor flat. Namely, alterations to the approved window pane arrangement on the front elevation.

    8 Dec 2025 30m away Amendments
  • 26/03321/LBC Awaiting decision

    28D Randolph Crescent London W9 1DR

    Installation of air source heat pump located on flat roof section to the rear of the building including mechanical ventilation heat recovery system positioned in an eaves storage area; and other associated works. Linked with 26/03320/FULL

    20 May 2026 42m away Heritage and listed buildings
  • 26/03320/FULL Awaiting decision

    28D Randolph Crescent London W9 1DR

    Installation of air source heat pump located on flat roof section to the rear of the building including mechanical ventilation heat recovery system positioned in an eaves storage area; and other associated works. Linked with 26/03321/LBC

    20 May 2026 42m away Full applications

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