Planning application
14 Cannon Place London NW3 1EJ
Works: Extension Loft or dormer Windows or glazing
Relates to 2023/3926/P
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Non-material amendment to planning permission 2023/3926/P, granted on 24/07/2023 for 'reconstruction of the rear conservatory, 2x dormer windows to the rear, relocation of 2x existing skylights to the rear, changes to 2x existing side dormers including double glazing and increased width, refurbishment of roof with slate tiles, existing balustrade at first floor level replaced and balcony reduced to a smaller footprint', namely for changes to the window design to the rear dormer windows from timber frame sash to casement windows with double glazing and changes to the rooflight.
As published by the council, reference 2025/3998/P
Application record
- Reference
- 2025/3998/P
- Type
- Non Material Amendments
- Status
- Final Decision
- Decision
- Granted
- Received
- 2 Dec 2025
- Validated
- 5 Dec 2025
- Decided
- 22 Jan 2026
- Ward
- Hampstead Town
- Decision by
- Delegated
- Postcode
- NW3 1EJ
Site history
Applications at this address on the Camden register
This site has had 10 applications since 2010: 9 approved, 0 refused.
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2018/0763/T Granted
14 Cannon Place London NW3 1EJ
REAR GARDEN: 1 x Sycamore - Remove
-
2017/5406/T Granted
14 Cannon Place London NW3 1EJ
REAR GARDEN: 1 x Salix - Reduce and shape by 4m approx
-
2017/4235/T Granted
14 Cannon Place London NW3 1EJ
REAR GARDEN: 2 x Sycamores - Fell
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2016/5773/T Granted
14 Cannon Place London NW3 1EJ
REAR GARDEN: 1 x Weeping Ash T1 - remove deadwood, aeriel inspection 1 x Salix T2 - reduce in size by 4m and shape 3 x Sycamores G3 - reduce in size by 3m, thin by 10%
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2016/5071/T Granted
14 Cannon Place London NW3 1EJ
REAR GARDEN: 2 x Sycamores - Thin by 20%
-
2016/2839/L Granted
14 Cannon Place London NW3 1EJ
Formation of new opening between ground floor kitchen and utility room.
-
2016/2925/L Granted
14 Cannon Place London NW3 1EJ
Alterations to internal layout of existing bedroom and bathroom and replacement floor finish at first floor level; enlargement of existing Conservation rooflights.
-
2010/3504/T Granted
14 Cannon Place London NW3 1EJ
REAR GARDEN, ALONG REAR BOUNDARY: Row of Sycamore & 1 x Horse Chestnut - Remove lower overhanging branches and reduce the upper overhanging branches by 2.5 to 3m.
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2025/3128/L Awaiting decision
14 Cannon Place London NW3 1EJ
Internal alterations including underfloor heating, roof insulation, and removal of suspended ceilings. Alterations to dormer windows.
Timeline
Dates from the published record
-
2 Dec 2025
Received by Camden
-
5 Dec 2025
Validated
Checked as complete and ready for consideration.
-
22 Jan 2026
Decision issued: Granted
-
9 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
-
2023/3926/P Granted
14 Cannon Place London Camden NW3 1EJ
Reconstruction of the rear conservatory, 2x dormer windows to the rear, relocation of 2x existing skylights to the rear, changes to 2x existing side dormers including double glazing and increased width, refurbishment of roof with slate tiles, existing balustrade at first floor level replaced and balcony reduced to a smaller footprint.
Documents
Plans, drawings, consultee responses and the officer's report
7 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 grant of permission means
Camden granted permission on 22 January 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 amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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14 Cannon Place London Camden NW3 1EJ
Discharge of condition 5 of listed building consent application 2025/3128/L regarding flooring in the billiard and dining rooms.
Granted Heritage and listed buildings 7 docs -
14 Cannon Place London Camden NW3 1EJ
Reconstruction of the rear conservatory, 2x dormer windows to the rear, relocation of 2x existing skylights to the rear, changes to 2x existing side dormers including double glazing and increased width, refurbishment of roof with slate tiles, existing balustrade at first floor level replaced and balcony reduced to a smaller footprint.
Granted Full applications Extension Loft or dormer +1 -
14 Cannon Place London Camden NW3 1EJ
Reconstruction of the rear conservatory, 2x dormer windows to the rear, relocation of 2x existing skylights to the rear, changes to 2x existing side dormers including double glazing and increased width, refurbishment of roof with slate tiles and existing balustrade at first floor level replaced, balcony reduced to a smaller footprint and internal alterations at all levels including the underfloor heating at ground floor level, mechanical and electrical improvements and upgrades and changes to internal layout.
Granted Heritage and listed buildings Extension Loft or dormer +1 -
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14 Cannon Place London Camden NW3 1EJ
92% historically approved · decision due ~2 Nov
Discharge of condition 4A of planning permission 2023/2926 regarding windows.
Awaiting decision Full applications Windows or glazing 10 docs
Other amendment applications
In Camden
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2026/1139/P Granted
25 John Street London WC1N 2BS
Alterations to design of conservatory, windows and doors approved under planning permission 2024/0312/P dated 06/08/2024.
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2026/4266/P Awaiting decision
Unit 3A Camden Wharf London 28 Jamestown Road NW1 7BY
Variation of the planning permission dated 15.3.1999 (Registered No PE9700702R3) for the redevelopment of the eastern part of the site by the erection of a four-storey building for mixed A1, A3 and B1 and the retention of the lock-keepers cottage as a Canal Information Centre with ancillary retail/ cafe comprising alterations to the elevations, fenestration, shopfront, balustrading, terraces, roof plant and the omission of the approved canopy over the pedestrian area as well as the discharging of part of condition 1 of the said planning permission relating to approval of details of balustrades, shopfronts, the canopy attached to the commercial building and any structure related to it.
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2026/3366/P Granted
Flat Lower Ground Floor 133 King Henry's Road London NW3 3RD
Variation of condition 2 (approved plans) of planning permission 2025/1032/P dated 23/04/2025 (which amended 2023/5117/P dated 22/03/2024 (for: Erection of single storey rear extension at lower ground floor, new windows to front and side elevations and new front door) NAMELY, changes to front elevation window and materials
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2026/4223/P Awaiting decision
6 Conybeare London NW3 3SD
Variation of Condition 2 (approved plans) of planning permission ref. 2022/2870/P, dated 13/12/2022, for the erection of a single-storey roof extension and internal roof terrace to the front part of the building, namely to regularise amendments to the approved scheme.
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2026/4045/P Granted
234 - 240 Grafton Road London NW5 4NS
Non-material amendment to planning permission 2024/4574/P granted 21/01/2026 for 'Erection of mansard roof extension to accommodate 1 x one bedroom and 1 x two bedroom dwellings; erection of a part one part two storey semi-detached one bedroom dwelling within rear garden to Dale Road; new cycle storage within rear garden, installation of 1 x ASHP in rear garden and 2 x ASHP on mansard roof of terrace, alterations to front boundary treatment.' namely to amend windows on the rear elevation of the existing building.