Planning application
4 Connaught Mews London NW3 2NW
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of single storey side extension, outbuilding and associated landscape. Replacement of side window with doors and installation of rooflights.
As published by the council, reference 25-00188-HAPP
Application record
- Reference
- 25-00188-HAPP
- Type
- Householder Application
- Status
- Final Decision
- Decision
- Granted
- Received
- 23 Sep 2025
- Validated
- 30 Sep 2025
- Decided
- 10 Feb 2026
- Ward
- Hampstead Town
- Decision by
- Delegated
- Postcode
- NW3 2NW
Site history
Applications at this address on the Camden register
This site has had 5 applications since 2016: 5 approved, 0 refused.
-
2026/2557/P Granted
4 Connaught Mews London NW3 2NW
Details to discharge condition 4 (hard and soft landscaping) of planning permission 2025/4212/P granted 10/02/2026 for the 'Erection of single storey side extension, outbuilding and associated landscape. Replacement of side window with doors and installation of rooflights'.
-
2026/2497/P Granted
4 Connaught Mews London NW3 2NW
Details pursuant to condition 7 (land contamination) of planning permission 2025/4212/P dated 10/02/2026 for ‘Erection of single storey side extension, outbuilding and associated landscape. Replacement of side window with doors and installation of rooflights.
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2026/1171/T Granted
4 Connaught Mews London NW3 2NW
REAR GARDEN: 1 x Pine (T1) - Reduce selected branches to clear building by 1m - 2m. 1 x Pine (T1) - Reduce selected branches to clear building by 1m - 2m.
-
2016/1460/T Granted
4 Connaught Mews London NW3 2NW
REAR GARDEN: 1 x Monterey Pine - Reduce to give clearance of building by 1m 1 x Cedar - Reduce to give clearance of building by 1m
Timeline
Dates from the published record
-
23 Sep 2025
Received by Camden
-
30 Sep 2025
Validated
Checked as complete and ready for consideration.
-
10 Feb 2026
Decision issued: Granted
-
9 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Camden granted permission on 10 February 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
2 Connaught Mews London NW3 2NW
IN GROUNDS: 1 x Western Red Cedar Hedge (G1) - Reduce height by 1m approx / 1m from the tips. 1 x Birch (T1) -Rredcue by 0.5m from tips and crown clean. 1 x Malus (T2) - Reduce by 0.5m from tips and balance. 1 x Prunus (T3) - Reduce by 0.5m and crown clean. 1 x Mulberry (T4) - Reduce overlong laterals by 1 - 2m and crown clean and inspect decay holes. 1 x Prunus (T5) - Shape and tidy approx. 0. 5- 1m from tips 1 x Malus (T6) - Fell to ground level. 1 x Malus (T7) - Reduce by 2m from tips and crown clean. 2 x Holly (T8) - Reduce height by 1m from tips and shape. 1 x Chestnut (T9) - Reduce by 2m from the tips and crown clean. 1 x Pear (T10) - Reduce by 1 - 2m from tips and crown clean. 1 x Malus (T11) - Fell to ground level. 1 x Elder (T11) - Reduce height by 1 - 2m from tips. 1 x Pear (T13) - Reduce by .5m from tips and crown clean.
Granted Trees -
2 Connaught Mews London NW3 2NW
FRONT GARDEN: 1 x Apple (T1) - Fell to ground level. 1 x Apple (T2) - Fell to ground level.
Granted Trees 5 docs -
2 Connaught Mews London NW3 2NW
FRONT GARDEN: 1 x Cedar (T1) - Reduce by 1 - 2m from the tips due to overlong top and to prevent the tree out growing its location.
Granted Trees -
-
2 Connaught Mews London NW3 2NW
IN GROUNDS ADJACENT: 1 x Holm Oak (Quercus ilex) (T1) Suggested works: Prune back (Evergreen) x 1 overhanging branches by 2 - 2.5m 1 x Magnolia (T2) - Lift over Camelia by 0.5m and lightly prune remaining crown by 0.5 - 0.75m to give a more rounded outline 1 x Thouja (Hedge) (T3) - Reduce the height at the bottom of the slope by approx. 2.5m (As directed by client) maintaining a straight level throughout the hedge. Hard trim both faces but ensure not to trim beyond the green foliage. 1 x Holly (Ilex aquifolium) (T4) - Give 1.5m clearance from the hedge and reduce remainder of the crown by up to 1.5m Left of Horse Chestnut 1 x Holly (Ilex aquifolium) - Reduce height by 2m and reduce sides by up to 1m to blend. Right hand side of above location 1 x Holly (Ilex aquifolium) - Reduce height by 3m and prune side growth to blend lift canopy by 1m. Rear of Horse Chestnut 1 x Holly (Ilex aquifolium) - Reduce overlong spires back into the main body of the crown making sure there is a substantial gap of light between the top of the crown and the Horse Chestnut
Granted Trees -
3 Connaught Mews London NW3 2PN
91% historically approved · decision due ~17 Sep
Details required by condition 3 (windows, doors, and cladding) and condtion 13 (planters) of planning permission ref 2025/4506/P dated 6 March 2026 for alterations to roof and fenestration of dwellinghouse.
Awaiting decision Full applications Windows or glazing 9 docsDomestic
Other householder applications
In Camden
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2026/3635/P Awaiting decision
9 Rosecroft Avenue London NW3 7QA
Proposed remodelling of the rear elevation to include ground floor raised terrace, replacement balustrades, new stairs from first floor to garden level, new windows and insertion of 2no. rooflights to rear hipped roof and 1no. rooflights to existing rear flat roof.
-
2026/2824/P Granted
5 Meadowbank London Camden NW3 3AY
Erection of a front mansard roof extension; alterations to openings on front and rear elevations including new French windows and enlarged existing windows; garage to study conversion on ground floor.
-
2026/3775/P Awaiting decision
8 Tasker Road London NW3 2YB
Demolition of existing bin store and construction of a new part one/two storey front extension, addition of new fenestrations to the north, east and south elevations, replacement of existing windows and cladding and addition of new rooflights.
-
2026/3761/P Awaiting decision
45 Ornan Road London NW3 4QD
Erection of a first floor rear extension above existing ground floor rear extension.
-
2026/3606/P Awaiting decision
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BOPS & M3 - 26-00348-HRET - Retrospective application for the installation of a bicycle storage unit to the front elevation