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Planning application

11 Thyra Grove London N12 8HB

Granted Barnet 26/2208/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

2No. single storey rear extensions with a proposed depth of 6.00m, maximum height of 3.98m and eaves height of 2.98m following the demolition of the existing conservatory.

As published by the council, reference 26/2208/PNH

Application record

Reference
26/2208/PNH
Type
Prior Notification (Householder)
Status
Prior Approval Not Required
Decision
Granted As published: Prior Approval Not Required
Received
15 Jun 2026
Validated
23 Jun 2026
Decided
28 Jul 2026
Ward
West Finchley
Decision by
Delegated Decision
Postcode
N12 8HB

Site history

Applications at this address on the Barnet register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • 26/3576/HSE Awaiting decision

    11 Thyra Grove London N12 8HB

    Single storey rear extension with new patio area. Changes to ground floor side fenestration

    Submitted 2 Oct 2026 Householder
  • 25/5143/PNH Awaiting decision

    11 Thyra Grove London N12 8HB

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.98m and eaves height of 2.98m following the demolition of the existing conservatory

    Submitted 22 Dec 2025 Prior approval

Timeline

Dates from the published record

  1. 15 Jun 2026

    Received by Barnet

  2. 23 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 28 Jul 2026

    Decision issued: Prior Approval Not Required

  4. 16 Aug 2026

    Added to PlanIndex

Documents

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

9 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 28 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.

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

  • 11 Thyra Grove London N12 8HB

    25/5143/PNH Submitted 22 Dec 2025 50 yards away

    56% historically approved · decision due ~16 Feb

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.98m and eaves height of 2.98m following the demolition of the existing conservatory

    Awaiting decision Prior approval Extension Demolition 7 docs
    Small domestic

  • 11 Thyra Grove London N12 8HB

    26/3576/HSE Submitted 2 Oct 2026 50 yards away

    77% historically approved · decision due ~27 Nov

    Single storey rear extension with new patio area. Changes to ground floor side fenestration

    Awaiting decision Householder Extension Windows or glazing
    Small domestic

  • 8 Thyra Grove London N12 8HB

    26/0926/192 Submitted 11 Mar 2026 50 yards away

    Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights

    Granted Lawful development Extension Loft or dormer +1 5 docs

  • 8 Thyra Grove London N12 8HB

    26/2358/PNH Submitted 22 Jun 2026 50 yards away

    Single storey rear extension with a maximum proposed depth of 4.9m, a maximum height of 3.42m and an eaves height of 2.93m

    Refused Prior approval Extension 10 docs
    Small domestic

  • 8 Thyra Grove London N12 8HB

    26/2357/PNH Submitted 22 Jun 2026 50 yards away

    Single storey rear extension with a maximum proposed depth of 6.0m, a maximum height of 3.42m and an eaves height of 2.93m.

    Refused Prior approval Extension 10 docs
    Small domestic

  • 8 Thyra Grove London N12 8HB

    26/1850/PNH Submitted 18 May 2026 50 yards away

    Single storey rear extension following demolition of existing rear extension at a proposed depth of 6.0m from outrigger and 6.0m from the original rear wall, a maximum height of 3.42m and an eaves height of 2.93m

    Withdrawn Prior approval Extension Demolition 11 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

    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