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Planning application

14 Walfield Avenue London N20 9PR

Granted Barnet 25/4817/PNH Prior Notification (Householder)

Works: Extension Demolition 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

Ground floor single storey rear extension projecting 4m from existing rear wall and 3m in height. Demolition of existing garage.

As published by the council, reference 25/4817/PNH

Application record

Reference
25/4817/PNH
Type
Prior Notification (Householder)
Status
Prior Approval Not Required
Decision
Granted As published: Prior Approval Not Required
Received
27 Nov 2025
Validated
3 Dec 2025
Decided
13 Jan 2026
Ward
Barnet Vale
Decision by
Delegated Decision
Postcode
N20 9PR

Site history

Applications at this address on the Barnet register

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

  • 25/4815/192 Granted

    14 Walfield Avenue London N20 9PR

    Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights. New front porch. Erection of a rear outbuilding.

    Decided 22 Jan 2026 Lawful development

Timeline

Dates from the published record

  1. 27 Nov 2025

    Received by Barnet

  2. 3 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 13 Jan 2026

    Decision issued: Prior Approval Not Required

  4. 10 Aug 2026

    Added to PlanIndex

Documents

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

6 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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Open the documents

What this grant of permission means

Barnet granted permission on 13 January 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 prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 14 Walfield Avenue London N20 9PR

    25/4815/192 Submitted 27 Nov 2025 50 yards away

    Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights. New front porch. Erection of a rear outbuilding.

    Granted Lawful development Extension Loft or dormer +1 5 docs
    Small domestic

  • 21 Walfield Avenue London N20 9PS

    25/3858/PNH Submitted 18 Sep 2025 50 yards away

    56% historically approved · decision due ~14 Nov

    Single storey rear extension with a proposed depth of 5.00m, maximum height of 3.70m and eaves height of 3.00m.

    Awaiting decision Prior approval Extension 3 docs
    Small domestic

  • Outside 47 Walfield Avenue London N20 9PS

    25/4407/LIC Submitted 3 Nov 2025 100 yards away

    Installation of 1no. 9m wooden pole

    Withdrawn 2 docs

  • Outside 47 Walfield Avenue London N20 9PS

    25/4234/LIC Submitted 22 Oct 2025 100 yards away

    79% historically approved · decision due ~17 Dec

    Installation of 1no. 9m wooden pole

    Awaiting decision

  • 1515 High Road London N20 9PJ

    25/4321/PNH Submitted 29 Oct 2025 100 yards away

    Single storey L-shaped rear extension with proposed depths of 3.0 metres and 4.85 metres, maximum height of 3.0 metres and eaves height of 2.90 metres, following demolition of existing conservatory and garage.

    Granted Prior approval Extension Demolition 16 docs
    Small domestic

  • 1515 High Road London N20 9PJ

    25/4919/192 Submitted 8 Dec 2025 100 yards away

    80% historically approved · decision due ~4 Feb

    Single storey rear extension with 1no. rooflight and new patio area following demolition of existing conservatory and garage

    Awaiting decision Lawful development Extension Loft or dormer +1 14 docs
    Small domestic

In Barnet

  • 26/3835/PNH Awaiting decision

    3 Devonshire Crescent London NW7 1DN

    Single storey rear extension with a proposed depth of 5.00 metres, maximum height of 3.48 metres and eaves height of 3.00 metres. Following demolition of existing rear outrigger.

    22 Oct 2026 Prior approval
  • 26/3832/PNH Awaiting decision

    48 Alverstone Avenue Barnet EN4 8EB

    Single storey rear extension with a proposed depth of 4.5 metres, maximum height of 3.15 metres and eaves height of 3 metres following demolition of existing rear extension.

    22 Oct 2026 Prior approval
  • 26/3823/PNH Awaiting decision

    7 Southbourne Crescent London NW4 2LB

    Single storey rear extension added to an existing extension with the total extension measuring 6.00 metres deep, with a maximum height of 3.00 metres and an eaves height of 3.00 metres.

    21 Oct 2026 Prior approval
  • 26/3809/PND Awaiting decision

    10 Clifford Road Barnet EN5 5PG

    Demolition of existing garage and attached pitched-roof structure

    21 Oct 2026 Prior approval
  • 26/3819/PNH Awaiting decision

    78 Russell Lane London N20 0AP

    2no. Single storey rear extensions with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger.

    Received 20 Oct, published by the council 22 Oct 2026 Prior approval