11 Clarendon Gardens London NW4 4UU

This site has had 2 applications since 2026: 1 approved, 1 refused.

• 26/2017/HSE Refused

  11 Clarendon Gardens London NW4 4UU

  Part single storey, part first floor rear extension with pitched roof

  Decided 24 Jul 2026 Householder

1. 19 May 2026

   Received by Barnet

2. 13 Jul 2026

   Decision issued: Lawful

3. 16 Aug 2026

   Added to PlanIndex

Barnet granted permission on 13 July 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.

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.

• 11 Clarendon Gardens London NW4 4UU

  26/2017/HSE Submitted 29 May 2026 50 yards away

  Part single storey, part first floor rear extension with pitched roof

  Refused Householder Extension 12 docs
  Small domestic

• 105 Southfields London NW4 4NA

  26/1520/192 Submitted 23 Apr 2026 100 yards away

  Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no. front facing rooflights and new side and rear gable window

  Granted Lawful development Extension Loft or dormer +1 4 docs

• 8 Southfields London NW4 4ND

  26/1197/HSE Submitted 30 Mar 2026 100 yards away

  New front hardstanding and relocation of the vehicular access to provide 2no. off-street parking spaces. Single storey rear extension with new patio area and access steps

  Granted Householder Extension 15 docs
  Small domestic

• 2 Southfields London NW4 4ND

  25/4242/192 Submitted 23 Oct 2025 100 yards away

  Internal alterations to second floor layout to change 1no. bathroom to a study room

  Withdrawn Lawful development 4 docs

• 2 Southfields London NW4 4ND

  25/4398/CON Submitted 4 Nov 2025 100 yards away

  Submission of details of conditions 5 (Obscure Glazing/Opening Restrictions), 6 (Parking Spaces/Driveways/Footpaths), 8 (Boundary Treatment) and 10 (Water Consumption) pursuant to appeal decision APP/N5090/W/18/3210297 (planning ref. 18/3288/FUL) dated 03/04/19

  Granted Conditions Windows or glazing 17 docs

• 2 Southfields London NW4 4ND

  25/4502/NMA Submitted 11 Nov 2025 100 yards away

  Non material amendment to planning appeal APP/N5090/W/18/3210297 dated 03/04/2019 planning ref 18/3288/FUL for `Erection of 2 new 2 storey 4-bed semi-detached single family dwellinghouses with rooms in the roofspace and associated car parking, refuse and cycle storage following demolition of the previously existing house.` Amendments include internal alterations to second floor layout to change 1no. bathroom to a study room

  Granted Amendments Demolition 3 docs

• 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