Planning application
39 Broadley Terrace London NW1 6LG
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.
Timeline
Dates from the published record
-
30 Jan 2026
Received by Westminster
-
24 Mar 2026
Decision issued: Application Refused
-
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
69 applications on PlanIndex · across 17 councils · 78% 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 recordDocuments
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.
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Open the documentsWhat 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
87% 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 docsSmall domestic -
9 Rossmore Road London NW1 6NJ
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
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
Conversion of domestic garage to habitable living accommodation at 7 Portman Gate.
Refused Full applications 6 docs -
48 Broadley Terrace London NW1 6LQ
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
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
Other lawful development applications
In Westminster
-
26/06158/CLOPUD Awaiting decision
2 Hamilton Gardens London NW8 9PT
Erection of replacement, enlarged single storey ground floor rear extension.
-
26/06080/CLEUD Awaiting decision
91 Gloucester Place London W1U 6JG
Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. 22/08385/FULL & listed building consent (RN 22/08386/LBC) has lawfully commenced as a result of the works evidenced.
-
26/06044/CLOPUD Awaiting decision
9 Abinger Mews W9 3SP
Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.
-
26/06035/CLOPUD Awaiting decision
30 Ashworth Road W9 1JY
Erection of new garden retaining wall and erection of new garden timber fence to match the height of existing fence.
-
26/05871/CLEUD Awaiting decision
32 Cambridge Street London SW1V 4QH
Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.