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Planning application

12 Marlborough Avenue Edgware HA8 8UH

Granted Barnet 25/4254/PNH Prior Notification (Householder)

Works: Extension 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

Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and eaves height of 2.70m

As published by the council, reference 25/4254/PNH

Application record

Reference
25/4254/PNH
Type
Prior Notification (Householder)
Status
Prior Approval Not Required
Decision
Granted As published: Prior Approval Not Required
Received
24 Oct 2025
Validated
24 Oct 2025
Decided
27 Nov 2025
Ward
Edgwarebury
Decision by
Delegated Decision
Postcode
HA8 8UH

Site history

Applications at this address on the Barnet register

This site has had 6 applications since 2025: 2 approved, 1 refused.

  • 26/3796/S73 Awaiting decision

    12 Marlborough Avenue Edgware HA8 8UH

    Variation of condition 1 (Approved plans) pursuant to planning permission 26/3039/HSE dated 14/10/2026 for `Part single, part two storey rear extension. First floor side extension. Roof extension involving side and rear wraparound dormer and side gable windows. New front porch with associated steps and railings.` Amendments include changes to the roof form over the side extension

    Submitted 20 Oct 2026
  • 26/3039/HSE Decided

    12 Marlborough Avenue Edgware HA8 8UH

    Part single, part two storey rear extension. First floor side extension. Roof extension involving side and rear wraparound dormer and side gable windows. New front porch with associated steps and railings

    Submitted 18 Aug 2026 Householder
  • 26/2009/192 Awaiting decision

    12 Marlborough Avenue Edgware HA8 8UH

    Removal and alteration of existing roof above existing two storey side (Phase 1). Roof extension involving wraparound side and rear dormer windows (Phase 2). (Phase 2 to commence when phase 1 completed)

    Submitted 29 May 2026 Lawful development
  • 26/0630/192 Refused

    12 Marlborough Avenue Edgware HA8 8UH

    Roof extension involving side/rear wraparound dormer

    Decided 15 Apr 2026 Lawful development
  • 25/4255/HSE Granted

    12 Marlborough Avenue Edgware HA8 8UH

    Front porch extension including the relocation of the front door and new access steps. First floor side extension and alterations to the existing roof

    Decided 13 Jan 2026 Householder

Timeline

Dates from the published record

  1. 24 Oct 2025

    Received by Barnet

  2. 27 Nov 2025

    Decision issued: Prior Approval Not Required

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

EA Town Planning Ltd Agent, a planning consultancy registered in London

Active · incorporated 2014 · London

148 applications on PlanIndex · across 29 councils · 74% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

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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What this grant of permission means

Barnet granted permission on 27 November 2025, 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

  • 12 Marlborough Avenue Edgware HA8 8UH

    26/0630/192 Submitted 18 Feb 2026 50 yards away

    Roof extension involving side/rear wraparound dormer

    Refused Lawful development Extension Loft or dormer 6 docs

  • 12 Marlborough Avenue Edgware HA8 8UH

    25/4255/HSE Submitted 24 Oct 2025 50 yards away

    Front porch extension including the relocation of the front door and new access steps. First floor side extension and alterations to the existing roof

    Granted Householder Extension 6 docs
    Small domestic

  • 12 Marlborough Avenue Edgware HA8 8UH

    26/2009/192 Submitted 29 May 2026 50 yards away

    80% historically approved · decision due ~24 Jul

    Removal and alteration of existing roof above existing two storey side (Phase 1). Roof extension involving wraparound side and rear dormer windows (Phase 2). (Phase 2 to commence when phase 1 completed)

    Awaiting decision Lawful development Extension Loft or dormer +1 5 docs

  • 12 Marlborough Avenue Edgware HA8 8UH

    26/3039/HSE Submitted 18 Aug 2026 50 yards away

    77% historically approved · decision due ~14 Oct

    Part single, part two storey rear extension. First floor side extension. Roof extension involving side and rear wraparound dormer and side gable windows. New front porch with associated steps and railings

    Decided Householder Extension Loft or dormer +1
    Small domestic

  • 12 Marlborough Avenue Edgware HA8 8UH

    26/3796/S73 Submitted 20 Oct 2026 50 yards away

    79% historically approved · decision due ~17 Dec

    Variation of condition 1 (Approved plans) pursuant to planning permission 26/3039/HSE dated 14/10/2026 for `Part single, part two storey rear extension. First floor side extension. Roof extension involving side and rear wraparound dormer and side gable windows. New front porch with associated steps and railings.` Amendments include changes to the roof form over the side extension

    Awaiting decision Extension Loft or dormer +1
    Small domestic

  • 47 Warwick Avenue Edgware HA8 8UN

    25/4472/HSE Submitted 10 Nov 2025 50 yards away

    77% historically approved · decision due ~13 Jan

    Part single part two storey side and rear extensions following demolition of the existing garage. Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights. New front porch

    Awaiting decision Householder Extension Loft or dormer +2 8 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