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Planning application

4 Connaught Mews London NW3 2NW

Granted Camden 25-00188-HAPP Householder Application

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 6 applications since 2016: 5 approved, 0 refused.

  • 2026/3792/P Awaiting decision

    4 Connaught Mews London NW3 2NW

    Removal of condition 8 (obscure glazing) to planning permission 2025/4212/P dated 04/03/2026 for 'Erection of single storey side extension, outbuilding and associated landscape. Replacement of side window with doors and installation of rooflights'.

    Submitted 7 Sep 2026 Amendments
  • 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'.

    Decided 24 Jul 2026 Full applications
  • 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.

    Decided 26 Aug 2026 Full applications
  • 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.

    Decided 21 Apr 2026 Trees
  • 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

    Decided 4 May 2016 Trees

Timeline

Dates from the published record

  1. 23 Sep 2025

    Received by Camden

  2. 30 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Feb 2026

    Decision issued: Granted

  4. 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What 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 0.3 miles

  • 2 Connaught Mews London NW3 2NW

    2020/2158/T 50 yards away

    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

    2020/4792/T Submitted 19 Oct 2020 50 yards away

    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

    2020/3865/T 50 yards away

    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

    2018/2206/T Submitted 10 May 2018 50 yards away

    REAR GARDEN: 1 x Mulberry - Fell

    Withdrawn Trees 3 docs
  • 2 Connaught Mews London NW3 2NW

    2018/3542/T Submitted 26 Jul 2018 50 yards away

    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 docs
  • 3 Connaught Mews London NW3 2PN

    2026/2872/P Submitted 8 Jul 2026 50 yards away

    92% historically approved · decision due ~17 Sep

    Details required by condition 3 (windows, doors, and cladding) and condition 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 22 docs
    Domestic

In Camden

  • 2026/4031/P Awaiting decision

    10 Albert Street London NW1 7NZ

    Erection of an extension to widen rear dormer window at second floor.

    Received 2 Oct, published by the council 6 Oct 2026 Householder
  • 2026/3231/P Granted

    9 Wadham Gardens London NW3 3DN

    Replacement rear timber casement window, installation of timber-panelled side access door, replacement of existing front boundary gates and piers, installation of metal railings, provision of reclaimed Yorkstone paving to the front garden and associated works.

    Received 30 Jul, published by the council 9 Aug 2026 Householder
  • 2026/4030/P Awaiting decision

    6 Leverton Street London NW5 2PJ

    Replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

    Received 1 Oct, published by the council 9 Oct 2026 Householder
  • 2026/3493/P Granted

    2 Wildwood Terrace London NW3 7HT

    Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.

    Received 14 Aug, published by the council 22 Aug 2026 Householder
  • 2026/2003/P Granted

    23 Glenmore Road London NW3 4BY

    Installation of external AC unit with acoustic enclosure to rear garden.

    Received 29 May, published by the council 24 Jul 2026 Householder