Skip to content
PlanIndex Get alerts
Menu

Planning application

39 Broadley Terrace London NW1 6LG

Refused Westminster 26/00550/CLOPUD Certificate of Lawfulness (proposed)

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Proposed 3m single storey side extension

As published by the council, reference 26/00550/CLOPUD

Application record

Reference
26/00550/CLOPUD
Type
Certificate of Lawfulness (proposed)
Status
Decided
Decision
Refused As published: Application Refused
Received
30 Jan 2026
Validated
30 Jan 2026
Decided
24 Mar 2026
Ward
Regent's Park
Decision by
Delegated Decision
Postcode
NW1 6LG

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026: 0 approved, 1 refused.

  • 26/02871/FULL Awaiting decision

    39 Broadley Terrace London NW1 6LG

    Erection of a single-storey side and rear extension, conversion of existing garage into habitable accommodation, and installation of a lift to serve all floors, together with associated internal alterations.

    Submitted 30 Apr 2026 Full applications

Timeline

Dates from the published record

  1. 30 Jan 2026

    Received by Westminster

  2. 24 Mar 2026

    Decision issued: Application Refused

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

ARKS DESIGN STUDIO LIMITED Agent, a design practice registered in Ilford

Active · incorporated 2013 · Ilford

88 applications on PlanIndex · across 19 councils · 82% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

15 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 refusal means

Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 39 Broadley Terrace London NW1 6LG

    26/02871/FULL Submitted 30 Apr 2026 50 yards away

    88% historically approved · decision due ~1 Jul

    Erection of a single-storey side and rear extension, conversion of existing garage into habitable accommodation, and installation of a lift to serve all floors, together with associated internal alterations.

    Awaiting decision Full applications Extension 22 docs
    Small domestic

  • 9 Rossmore Road London NW1 6NJ

    22/04651/TCA Submitted 12 Jul 2022 50 yards away

    2x malus (T1, T2): crown reduce by up to 1.5 m leaving a natural canopy outline, thin both tree canopies by up to 20 %. 1x ficus (T3): fell. 1x ilex (T4): crown reduce by up to 2 m leaving a natural canopy outline, thin canopy by up to 20 %

    Granted Trees 6 docs

  • Second Floor Flat 2 Rossmore Road London NW1 6NJ

    25/06029/CLEUD Submitted 22 Aug 2025 50 yards away

    Existing use of the roof above Flat 2 as a roof terrace for Flat 3.

    Granted Lawful development 12 docs

  • Flat 7 41 Broadley Terrace London NW1 6LQ

    06/10030/FULL Submitted 13 Dec 2006 50 yards away

    Conversion of domestic garage to habitable living accommodation at 7 Portman Gate.

    Refused Full applications 6 docs

  • 48 Broadley Terrace London NW1 6LQ

    06/05377/FULL Submitted 6 Jul 2006 50 yards away

    Retention of one air conditioning unit in current location on the front elevation at first floor level and repositioning of six existing air conditioning unit to within an acoustic enclosure located on the first floor level flat roof to the front elevation (All works to front elevation at 114 Lisson Grove - part of Broadley House, 48 Broadley Street).

    Refused Full applications 10 docs

  • 48 Broadley Terrace London NW1 6LQ

    04/02486/FULL Submitted 31 Mar 2004 50 yards away

    Alterations to planning permission dated 13 December 2001; namely, for an extension to the proposed mansard roof over an escape stair and to build a low level dormer roof.

    Granted Full applications Extension Loft or dormer 12 docs

In Westminster

  • 26/07423/CLOPUD Awaiting decision

    103 Elgin Avenue London W9 2NP

    Painting of the decorative stonework, window frames and doors on the front elevation and front boundary wall

    Received 2 Nov, published by the council 4 Nov 2026 Lawful development
  • 26/07454/CLOPUD Awaiting decision

    10 Stratton Street London W1J 8LG

    Shopfront alteration.

    Received 2 Nov, published by the council 5 Nov 2026 Lawful development
  • 26/07381/CLEUD Awaiting decision

    Ground Floor Rear Flat 4 Mozart Street London W10 4LA

    Use of the ground floor rear flat as short-term visitor accommodation.

    Received 28 Oct, published by the council 5 Nov 2026 Lawful development
  • 26/07339/CLOPUD Awaiting decision

    123 Victoria Street London SW1E 6DE

    Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).

    Received 27 Oct, published by the council 30 Oct 2026 Lawful development
  • 26/07345/CLOPUD Awaiting decision

    New Scotland Yard Victoria Embankment London SW1A 2JL

    Installation of Solar Gard Stainless Steel 20 solar control film to the internal face of the existing fifth-floor glazing.

    Received 27 Oct, published by the council 30 Oct 2026 Lawful development