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Planning application

30 Manor Drive London N20 0DX

Awaiting decision Barnet 25/4141/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Roof extension involving hip to gable, juliette balcony with rear dormer window and 3no. front facing rooflights. New side gable window

As published by the council, reference 25/4141/192

Application record

Reference
25/4141/192
Type
Proposed Lawful Development Certificate
Status
Pending Consideration
Received
15 Oct 2025
Validated
16 Oct 2025
Ward
Whetstone
Postcode
N20 0DX

Timeline

Dates from the published record

  1. 15 Oct 2025

    Received by Barnet

  2. 16 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 11 December 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Barnet took a median of 46 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

SM Design Consultancy Studio Agent, a design practice

12 applications on PlanIndex · across 7 councils

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

11 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 happens while it is decided

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided lawful development applications in a median of 28 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 33 Manor Drive London N20 0DZ

    25/4937/192 Submitted 9 Dec 2025 50 yards away

    Single storey rear extension. Roof extension involving rear dormer window, with juliette balcony and 3no. front facing rooflights.

    Granted Lawful development Extension Loft or dormer +1 7 docs
    Small domestic
  • 42 Manor Drive London N20 0DX

    26/0109/HSE Submitted 13 Jan 2026 50 yards away

    77% historically approved · decision due ~11 Mar

    Single storey rear extension including alterations to the existing terrace area and new side pitched roof over the existing flat roof

    Awaiting decision Householder Extension 15 docs
    Small domestic
  • 49 Manor Drive London N20 0DT

    26/0909/HSE Submitted 10 Mar 2026 150 yards away

    Part single, part two storey side and rear extension. Roof extension including 1no. rear dormer window

    Refused Householder Extension Loft or dormer +1 14 docs
    Domestic
  • 3 Church Close London N20 0JU

    26/0784/HSE Submitted 2 Mar 2026 150 yards away

    Single storey front/side extension following demolition of the existing garage

    Granted Householder Extension Demolition 8 docs
    Small domestic
  • 60 Raleigh Drive London N20 0UU

    26/2127/S73 Submitted 8 Jun 2026 150 yards away

    78% historically approved · decision due ~3 Aug

    Variation of details of condition 1 (Approved plans) pursuant to planning permission 23/4856/HSE dated 08/01/2024 for `Single storey rear extension following demolition of existing conservatory. Conversion of the garage into habitable room, insertion of window to replace the garage door.` Amendments include alterations to the kitchen wall

    Decided Extension Demolition +1
    Small domestic
  • 73 Raleigh Drive London N20 0UZ

    25/4201/192 Submitted 20 Oct 2025 200 yards away

    Erection of a rear outbuilding

    Refused Lawful development 12 docs

In Barnet

  • 26/2679/192 Granted

    21 Myddelton Park London N20 0JH

    Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

    Received 20 Jul, published by the council 7 Aug 2026 Lawful development
  • 26/1362/191 Refused

    145 Cotswold Gardens London NW2 1PL

    Use as a House in Multiple Occupation (HMO) for 6 people

    Received 14 Apr, published by the council 25 Jul 2026 Lawful development
  • 26/1907/191 Granted

    8 Golders Manor Drive London NW11 9HT

    Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

    Received 21 May, published by the council 16 Aug 2026 Lawful development
  • 26/2392/192 Refused

    6 Mostyn Road Edgware HA8 0JD

    New front hardstanding and vehicular access to provide off-street parking

    Received 23 Jun, published by the council 9 Aug 2026 Lawful development
  • 26/2059/192 Refused

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    Received 3 Jun, published by the council 16 Aug 2026 Lawful development