Cornwall House Cornwall Avenue London N3 1LD

This site has had 4 applications since 2026: 4 approved, 0 refused.

• 26/1879/CON Granted

  Cornwall House Cornwall Avenue London N3 1LD

  Submission of details of conditions 3 (Demolition and Construction Management Plan) 05 (Boiler Information) 10 (Noise Management Plan) 12 (Travel Plan) 13 (Materials) 14 (Refuse Enclosures) 15 (Cycle Storage) 20 (Biodiversity) 21 (Landscaping) 22 (External Storage Details) 23 (External Lighting) 24 (Boundary Treatments) and 25 (Kitchen Vent Details) pursuant to planning permission 26/0518/FUL dated 13/02/2026

  Decided 21 Jul 2026 Conditions
• 26/0519/LBC Granted

  Cornwall House Cornwall Avenue London N3 1LD

  Change of use from doctors surgery to children's day nursery involving internal and external alterations, as well as alterations to doors and windows. Associated alterations to hard and soft landscaping, and provision of cycle, refuse, buggy and toy stores. Installation of 1no. Air Conditioning unit within associated timber enclosure. New access gates, restoration of boundary walls and installation of secondary privacy fencing. Internal alterations including: New internal staircase to replace an existing staircase; Alterations to rear porch; Removal of modern stud wall; Creation of openings in walls; Changes to internal doors; Addition of a dumb waiter between ground floor kitchen and first floor level; Removal of storage cupboards; Removal of secondary internal door to front entrance; Installation of additional WCs (Listed Building Consent)

  Decided 16 Apr 2026 Heritage and listed buildings
• 26/0518/FUL Granted

  Cornwall House Cornwall Avenue London N3 1LD

  Change of use from doctors surgery to children's day nursery involving internal and external alterations, as well as alterations to doors and windows. Associated alterations to hard and soft landscaping, and provision of cycle, refuse, buggy and toy stores. Installation of 1no. Air Conditioning unit within associated timber enclosure. New access gates, restoration of boundary walls and installation of secondary privacy fencing

  Decided 16 Apr 2026 Full applications

1. 21 May 2026

   Received by Barnet

2. 22 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Decision issued: Approve

4. 16 Aug 2026

   Added to PlanIndex

• 26/0519/LBC Granted

  Cornwall House Cornwall Avenue London N3 1LD

  Change of use from doctors surgery to children's day nursery involving internal and external alterations, as well as alterations to doors and windows. Associated alterations to hard and soft landscaping, and provision of cycle, refuse, buggy and toy stores. Installation of 1no. Air Conditioning unit within associated timber enclosure. New access gates, restoration of boundary walls and installation of secondary privacy fencing. Internal alterations including: New internal staircase to replace an existing staircase; Alterations to rear porch; Removal of modern stud wall; Creation of openings in walls; Changes to internal doors; Addition of a dumb waiter between ground floor kitchen and first floor level; Removal of storage cupboards; Removal of secondary internal door to front entrance; Installation of additional WCs (Listed Building Consent)

  Decided 16 Apr 2026 Heritage and listed buildings

Barnet granted permission on 21 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• Cornwall House Cornwall Avenue London N3 1LD

  26/0519/LBC Submitted 10 Feb 2026 50 yards away

  Change of use from doctors surgery to children's day nursery involving internal and external alterations, as well as alterations to doors and windows. Associated alterations to hard and soft landscaping, and provision of cycle, refuse, buggy and toy stores. Installation of 1no. Air Conditioning unit within associated timber enclosure. New access gates, restoration of boundary walls and installation of secondary privacy fencing. Internal alterations including: New internal staircase to replace an existing staircase; Alterations to rear porch; Removal of modern stud wall; Creation of openings in walls; Changes to internal doors; Addition of a dumb waiter between ground floor kitchen and first floor level; Removal of storage cupboards; Removal of secondary internal door to front entrance; Installation of additional WCs (Listed Building Consent)

  Granted Heritage and listed buildings Extension Windows or glazing 21 docs
  Small domestic

• Cornwall House Cornwall Avenue London N3 1LD

  26/0518/FUL Submitted 10 Feb 2026 50 yards away

  Change of use from doctors surgery to children's day nursery involving internal and external alterations, as well as alterations to doors and windows. Associated alterations to hard and soft landscaping, and provision of cycle, refuse, buggy and toy stores. Installation of 1no. Air Conditioning unit within associated timber enclosure. New access gates, restoration of boundary walls and installation of secondary privacy fencing

  Granted Full applications Windows or glazing 22 docs

• Cornwall House Cornwall Avenue London N3 1LD

  26/1879/CON Submitted 19 May 2026 50 yards away

  Submission of details of conditions 3 (Demolition and Construction Management Plan) 05 (Boiler Information) 10 (Noise Management Plan) 12 (Travel Plan) 13 (Materials) 14 (Refuse Enclosures) 15 (Cycle Storage) 20 (Biodiversity) 21 (Landscaping) 22 (External Storage Details) 23 (External Lighting) 24 (Boundary Treatments) and 25 (Kitchen Vent Details) pursuant to planning permission 26/0518/FUL dated 13/02/2026

  Granted Conditions Demolition 19 docs

• 113 Ballards Lane London N3 1XY

  26/3516/FUL Submitted 28 Sep 2026 50 yards away

  63% historically approved · decision due ~26 Nov

  Change of use of the ground floor from retail shop (Class E (a) to Class E (b) including internal alterations to provide customer and staff facilities, kitchen and cold-room areas, together with associated external alterations

  Awaiting decision Full applications

• 39 Cornwall Avenue London N3 1LG

  26/3192/HSE Submitted 1 Sep 2026 150 yards away

  77% historically approved · decision due ~27 Oct

  New front porch (amended plans)

  Decided Householder Extension
  Small domestic

• 32 Cornwall Avenue London N3 1LG

  26/2627/191 Submitted 14 Jul 2026 150 yards away

  78% historically approved · decision due ~1 Oct

  Conversion of part of the 1st floor and 2nd floor to create 1no. self-contained residential dwelling (Use Class C3)

  Awaiting decision 18 docs
  Domestic

• 26/3263/CON Awaiting decision

  Brent Cross Cricklewood Regeneration Area North Of Merchant Street North West London NW2

  Submission of details pursuant to Condition 5.2 (Detailed Delivery (Non-PDP) Programme) for the Phase 5E sub-phase of planning permission F/04687/13 dated 23/07/2014 (as amended) for the comprehensive mixed-use redevelopment of the Brent Cross Cricklewood Regeneration Area.

  Received 7 Sep, published by the council 8 Oct 2026 Conditions
• 26/1355/CON Granted

  253 Hampden Way London N14 7LD

  Submission of details of condition 5 (TFL Risk Assessment Method Statement) pursuant to planning permission 25/3204/HSE dated 09/10/2025

  Received 13 Apr, published by the council 25 Jul 2026 Conditions
• 26/1465/CON Refused

  Fairacres 164 East End Road London N2 0RR

  Submission of details of condition 17 (Excavations for Services) pursuant to planning permission 24/1113/FUL dated 22/01/2025

  Received 20 Apr, published by the council 25 Jul 2026 Conditions
• 26/0694/CON Granted

  Plot 59 (Main Energy Centre) Railway Street Brent Cross Cricklewood Regeneration Area North West London

  Submission of detail pursuant to Conditions 8.3 and 28.1 (Construction Environmental Management Plan) in relation to Plot 59 (Main Energy Centre) within the Phase 5A sub-phase of planning permission F/04687/13 dated 23/07/2014 for the comprehensive mixed-use redevelopment of the Brent Cross Cricklewood Regeneration Area.

  Received 23 Feb, published by the council 10 Aug 2026 Conditions
• 26/1696/CON Granted

  Land Off Parkview Avenue Brent Terrace Regeneration Area North West London NW2

  Submission pursuant to Condition 49.1 (Early Works) of planning permission F/04687/13 dated 23/07/2014 for the comprehensive redevelopment of the Brent Cross Cricklewood Regeneration Area. Early works proposed comprise site clearance, earthworks, removal of spoil, utility diversions and abandonments, and the construction of temporary accesses in preparation for the commencement of development of land at, and within the vicinity of Plot 11 within the Phase 1C sub-phase.

  Received 6 May, published by the council 25 Jul 2026 Conditions