Planning application
Flat 72 Cavendish House 21 Wellington Road London NW8 9SQ
Works: Windows or glazing
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
The replacement of external windows and doors to terraces and introduction of glass balustrade to both external terraces to increase parapet to legal height.
As published by the council, reference 25/08896/CLOPUD
Application record
- Reference
- 25/08896/CLOPUD
- Type
- Certificate of Lawfulness (proposed)
- Status
- Decided
- Decision
- Refused As published: Application Refused
- Received
- 8 Dec 2025
- Validated
- 8 Dec 2025
- Decided
- 27 Feb 2026
- Ward
- Abbey Road
- Decision by
- Delegated Decision
- Postcode
- NW8 9SQ
Timeline
Dates from the published record
-
8 Dec 2025
Received by Westminster
-
27 Feb 2026
Decision issued: Application Refused
-
20 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
AERT LIMITED Agent
3 applications on PlanIndex · across 3 councils
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
9 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 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
-
-
8 Cavendish Avenue London NW8 9JE
90% historically approved · decision due ~17 Apr
Excavation and construction of a new basement; use of the garage for additional internal accommodation; landscaping of front and rear gardens; internal alterations to the property; replacement of windows throughout (part-retrospective) and removal of rear garden house. [Linked to 26/01095/FULL]
Awaiting decision Heritage and listed buildings Windows or glazing 27 docs -
8 Cavendish Avenue London NW8 9JE
87% historically approved · decision due ~17 Apr
Excavation and construction of a new basement; use of the garage for additional internal accommodation; landscaping of front and rear gardens; internal alterations to the property; Replacement of existing air conditioning condensers with new units; replacement of windows throughout (part-retrospective) and removal of rear garden house. [Linked to 26/01096/LBC]
Awaiting decision Full applications Windows or glazing 34 docs -
8 Cavendish Avenue London NW8 9JE
1 x silver birch (T3, rear): Crown reduce to the previous most recent reduction points, retaining selected shortened furnishing growth (about 0.5m long) for crown continuity.
Granted Trees 10 docs -
6 Cavendish Avenue London NW8 9JE
87% historically approved · decision due ~30 Mar
Details of all new doors, all new windows, bike/bin store, revised front boundary treatment, method statement and landscape areas pursuant to Conditions 5 (A, B and D), 7, 8 and 9 of planning permission dated 13 May 2025 (RN24/04491/FULL) (Linked 26/01128/ADLBC)
Awaiting decision Full applications Windows or glazing 18 docs -
6 Cavendish Avenue London NW8 9JE
90% historically approved · decision due ~30 Mar
Details of all new doors, all new windows, bike/bin store and revised front boundary treatment purusant to Conditions 4 (A, B and D) and 7 of Listed Building Consent dated 13 May 2025 (RN24/04492/LBC) (Linked 26/00573/ADFULL)
Awaiting decision Conditions Windows or glazing 13 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.