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Planning application

Cornwall House Cornwall Avenue London N3 1LD

Granted Barnet 26/0519/LBC Listed Building Consent / Demolition

Works: Extension 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

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)

As published by the council, reference 26/0519/LBC

Application record

Reference
26/0519/LBC
Type
Listed Building Consent / Demolition
Status
Approved subject to conditions
Decision
Granted As published: Approve subject to conditions
Received
10 Feb 2026
Validated
13 Feb 2026
Decided
16 Apr 2026
Ward
West Finchley
Decision by
Delegated Decision
Postcode
N3 1LD

Site history

Applications at this address on the Barnet register

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

  • 26/1909/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 Enhancement Plan), 21 (Landscaping), 22 (External Storage Details), 23 (External Lighting), 24 (Boundary Treatments) and 25 (Kitchen Vent Details) pursuant to listed building consent 26/0519/LBC dated 16/04/2026

    Decided 21 Jul 2026 Conditions
  • 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
  • 26/0518/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

Timeline

Dates from the published record

  1. 10 Feb 2026

    Received by Barnet

  2. 13 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 16 Apr 2026

    Decision issued: Approve subject to conditions

  4. 10 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/1909/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 Enhancement Plan), 21 (Landscaping), 22 (External Storage Details), 23 (External Lighting), 24 (Boundary Treatments) and 25 (Kitchen Vent Details) pursuant to listed building consent 26/0519/LBC dated 16/04/2026

    Decided 21 Jul 2026 Conditions

Documents

Plans, drawings, consultee responses and the officer's report

21 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.

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What this grant of permission means

Barnet granted permission on 16 April 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 heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Cornwall House Cornwall Avenue London N3 1LD

    26/1909/CON Submitted 21 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 Enhancement Plan), 21 (Landscaping), 22 (External Storage Details), 23 (External Lighting), 24 (Boundary Treatments) and 25 (Kitchen Vent Details) pursuant to listed building consent 26/0519/LBC dated 16/04/2026

    Granted Conditions Demolition 19 docs

  • 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

    79% 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

In Barnet

  • 26/3753/LBC Awaiting decision

    21 Meadway London NW11 7JR

    Removal of the single storey brick store to the rear; Reinstatement of the rear passage door, Replacement of the glass in the existing rooflight over the stair: New Heritage vent tiles to roof; Internal alterations including: Reconfiguration of the non-original kitchen, WC, bathrooms and storage including making openings in the existing masonry wall; Full new electrical and plumbing installations; New internal lighting fitted into the ceilings: New tiled floors to the hall and kitchen: Alterations to the internal layout at first and second floors. (Listed Building Consent)

    Received 16 Oct, published by the council 20 Oct 2026 Heritage and listed buildings
  • 26/3721/LBC Awaiting decision

    The Chantry And The White House Spaniards End London NW3 7JG

    Installation of speakers at basement, lower ground, ground, first and second floor levels

    15 Oct 2026 Heritage and listed buildings
  • 26/3526/LBC Awaiting decision

    29 Temple Fortune Hill London NW11 7XL

    Installation of external air conditioning unit at ground level within timber enclosure to side elevation (Listed Building Consent)

    Received 29 Sep, published by the council 30 Sep 2026 Heritage and listed buildings
  • 26/3484/LBC Awaiting decision

    13 Corringway London NW11 7ED

    Renewal of existing paving to the rear of the property in Raj Green Indian Sandstone; Renewal of existing garden path in Raj Green Indian Sandstone; Construction of a new paved area in Raj Green Indian Sandstone adjacent to existing shed (Listed Building Consent)

    Received 25 Sep, published by the council 7 Oct 2026 Heritage and listed buildings
  • 26/3424/LBC Awaiting decision

    Rosary Manor The Ridgeway London NW7 1EL

    Installation of a self-supporting vacuum lift fully contained within staircase

    Received 18 Sep, published by the council 21 Sep 2026 Heritage and listed buildings