42A Totteridge Common London N20 8ND

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 26/2554/HSE Decided

  42A Totteridge Common London N20 8ND

  Single storey rear conservatory extension. Extension to existing raised terrace.

  Submitted 7 Jul 2026 Householder

1. 17 Oct 2025

   Received by Barnet

2. 20 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 15 Dec 2025

   Decision issued: Lawful

4. 10 Aug 2026

   Added to PlanIndex

Barnet granted permission on 15 December 2025, 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.

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.

• 42A Totteridge Common London N20 8ND

  26/2554/HSE Submitted 7 Jul 2026 50 yards away

  77% historically approved · decision due ~3 Sep

  Single storey rear conservatory extension. Extension to existing raised terrace.

  Decided Householder Extension
  Small domestic

• The Coach House 46A Totteridge Common London N20 8ND

  TCP/0634/25 Submitted 1 Oct 2025 100 yards away

  88% historically approved · decision due ~26 Nov

  1 x Horse Chestnut (applicants ref. T1) - Fell to ground level.

  Awaiting decision Trees 3 docs

• Willow House 38 Totteridge Common London N20 8NE

  25/4318/CON Submitted 29 Oct 2025 300 yards away

  Submission of details of conditions 3 (Construction Environmental Management Plan) 6 (Tree Protection Plan and Method Statement) pursuant to planning permission 25/2951/HSE dated 10/09/2025

  Granted Conditions Trees 5 docs

• 51 Totteridge Common London N20 8LU

  26/0998/CON Submitted 16 Mar 2026 300 yards away

  Submission of details of condition 4 (Materials) 5 (Stage 1 - written scheme of investigation) (WSI) pursuant to planning permission 23/2495/LBC dated 24/05/2024

  Granted Conditions 7 docs

• Ellern Mede 31 Totteridge Common London N20 8LS

  26/1191/S73 Submitted 27 Mar 2026 300 yards away

  78% historically approved · decision due ~22 May

  Variation of condition 1 (Approved Plans) of planning permission reference 24/2639/FUL dated 11/11/24 for 'Change of use to single dwelling house including single storey extensions to the south and east elevations of the main building. Erection of pool building to the north of the main building. Erection of separate secure garage with parking for two vehicles and cycle storage, gardeners workshop and equipment store, bin store and ancillary residential accommodation. Removal of existing external fire escape, Erection of new Entrance Security Gates and Pillars. Replacement of existing roof and alterations to existing rear dormer windows of main building. Alterations to existing fenestration. Alterations to the existing hard and soft landscaping to front and rear following the demolition of existing single storey side and rear projections, rear conservatory and detached classroom building.' Variation to include: Omission of the swimming pool building; Reduced footprint and massing of the approved extensions; Retention of and reuse of the existing schoolhouse; Minor internal and external alterations and repairs

  Withdrawn Extension Loft or dormer +2 28 docs
  Small domestic

• Ellern Mede 31 Totteridge Common London N20 8LS

  26/3824/CON Submitted 21 Oct 2026 300 yards away

  78% historically approved · decision due ~16 Dec

  Submission of details of condition 31 (Site investigation) pursuant to planning permission 26/2287/FUL dated 26/06/2026

  Awaiting decision

• 26/2679/192 Granted

  21 Myddelton Park London N20 0JH

  Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

  Received 20 Jul, published by the council 7 Aug 2026 Lawful development
• 26/1362/191 Refused

  145 Cotswold Gardens London NW2 1PL

  Use as a House in Multiple Occupation (HMO) for 6 people

  Received 14 Apr, published by the council 25 Jul 2026 Lawful development
• 26/1907/191 Granted

  8 Golders Manor Drive London NW11 9HT

  Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

  Received 21 May, published by the council 16 Aug 2026 Lawful development
• 26/2392/192 Refused

  6 Mostyn Road Edgware HA8 0JD

  New front hardstanding and vehicular access to provide off-street parking

  Received 23 Jun, published by the council 9 Aug 2026 Lawful development
• 26/2059/192 Refused

  Low Ridge Rowley Lane Barnet EN5 3HS

  Erection of a rear outbuilding

  Received 3 Jun, published by the council 16 Aug 2026 Lawful development