Planning application
11 Cavendish Avenue London NW8 9JD
Works: Extension
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Detailed drawings of new stairs in the side extension pursuant to Condition 5 of Listed Building Consent dated 27 September 2024 (RN23/05488/LBC)
As published by the council, reference 26/00603/ADLBC
Application record
- Reference
- 26/00603/ADLBC
- Type
- Approval of Details (ADLBC)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 3 Feb 2026
- Validated
- 3 Feb 2026
- Decided
- 4 Mar 2026
- Ward
- Abbey Road
- Decision by
- Delegated Decision
- Postcode
- NW8 9JD
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2025: 3 approved, 0 refused.
-
26/04938/TPO Decided
11 Cavendish Avenue London NW8 9JD
Tree B Common Lime- Pare around damage to the bark. Remove splintered loose sapwood. Tree C Common Lime- Pare around damage to the bark. Remove broken extremity to branch arising at about 8m above ground level; cut back to sound growth.
-
26/04006/ADFULL Decided
11 Cavendish Avenue London NW8 9JD
Detailed drawings of a hard and soft landscaping scheme pursuant to condition 4 of planning permission dated 27th September 2024 (RN:23/05487/FULL)
-
25/08404/ADFULL Granted
11 Cavendish Avenue London NW8 9JD
Details of new windows pursuant to condition 8 of planning application dated 27th September 2024 (RN: 23/05487/FULL). (Linked to 25/08547/ADLBC)
-
25/08547/ADLBC Granted
11 Cavendish Avenue London NW8 9JD
Details of new doors and new windows pursuant to condition 3 and 4 of Listed building consent dated 27th September 2024 (RN: 23/05488/LBC). (Linked to 25/08404/ADFULL)
Timeline
Dates from the published record
-
3 Feb 2026
Received by Westminster
-
4 Mar 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
CAMM Architects Agent, an architecture practice registered in Bishop's Stortford
Active · incorporated 2006 · Bishop's Stortford
13 applications on PlanIndex · across 6 councils · 100% 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
8 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 grant of permission means
Westminster granted permission on 4 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
7 Cavendish Avenue London NW8 9JD
T1 1 x lime: crown reduce to previous, most recent reduction points (1.5m) retaining at least 30% of furnishing growth. T2 1 x Holm oak: prune back from property reducing branches by around 1.5m and reduce remaining crown by up to 1m to shape. T3 1 x Catalpa crown reduce all round back to previous, most recent reduction points T4 1 x birch: lift low hanging twiggy branches by 2m. T5 1 x hornbeam: reduce lateral branches over the lawn by 1.5m and shape. T6 1 x sycamore: reduce the height by 3m and spread by 1.5m.
Granted Trees 7 docs -
15 Cavendish Avenue London NW8 9JD
T1-Magnolia grandiflora: fell T2, T3, T4 3 x multistemmed Katsura (originally identified as Judas Trees): fell
Granted Trees 8 docs -
11 Cavendish Avenue London NW8 9JD
Details of new windows pursuant to condition 8 of planning application dated 27th September 2024 (RN: 23/05487/FULL). (Linked to 25/08547/ADLBC)
Granted Full applications Windows or glazing 22 docs -
11 Cavendish Avenue London NW8 9JD
Details of new doors and new windows pursuant to condition 3 and 4 of Listed building consent dated 27th September 2024 (RN: 23/05488/LBC). (Linked to 25/08404/ADFULL)
Granted Conditions Windows or glazing 41 docs -
9 Cavendish Avenue London NW8 9JD
100% historically approved · decision due ~19 May
Pittosporum- Reduce by 2 metres in height and shape Olive- Reduce by 1.5 metres in height and shape
Awaiting decision Trees 6 docs -
11 Cavendish Avenue London NW8 9JD
89% historically approved · decision due ~12 Aug
Detailed drawings of a hard and soft landscaping scheme pursuant to condition 4 of planning permission dated 27th September 2024 (RN:23/05487/FULL)
Decided
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26/04860/ADLBC Granted
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26/04843/ADLBC Granted
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Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).
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26/04850/ADLBC Awaiting decision
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Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)
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25/07120/ADLBC Granted
72 - 74 Lancaster Gate London W2 3NH
Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)