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Planning application

47 Birley Road London N20 0HB

Awaiting decision Barnet 25/5018/192 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 with rear dormer and juliette balcony, 2no. front facing rooflights and new side gable window.

As published by the council, reference 25/5018/192

Application record

Reference
25/5018/192
Type
Proposed Lawful Development Certificate
Status
Pending Decision
Received
15 Dec 2025
Validated
15 Dec 2025
Ward
Whetstone
Postcode
N20 0HB

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2025.

  • 25/5019/HSE Awaiting decision

    47 Birley Road London N20 0HB

    Single storey front extension including new front porch, side and rear extension with new raised decking area with associated access steps following demolition of existing garage and porch

    Submitted 15 Dec 2025 Householder

Timeline

Dates from the published record

  1. 15 Dec 2025

    Received by Barnet

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 9 February 2026, 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

Generative Design Partnership Ltd Agent, a design practice registered in London

Active · incorporated 2005 · London

51 applications on PlanIndex · across 13 councils · 70% 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

3 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.

Watch members (£5 a month) open the document list from here.

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

  • 47 Birley Road London N20 0HB

    25/5019/HSE Submitted 15 Dec 2025 50 yards away

    77% historically approved · decision due ~9 Feb

    Single storey front extension including new front porch, side and rear extension with new raised decking area with associated access steps following demolition of existing garage and porch

    Awaiting decision Householder Extension Demolition 4 docs
    Small domestic
  • 24 Naylor Road London N20 0HN

    26/1248/HSE Submitted 1 Apr 2026 100 yards away

    Single storey rear extension with 3no. rooflights following demolition of the existing outrigger

    Granted Householder Extension Loft or dormer +1 9 docs
    Small domestic
  • 24 Naylor Road London N20 0HN

    26/0736/192 Submitted 25 Feb 2026 100 yards away

    Single storey rear extension with 3no. rooflights following demolition of the existing outrigger

    Refused Lawful development Extension Loft or dormer +1 6 docs
    Small domestic
  • Woodside Home Woodside House Baxendale London N20 0EH

    TPP/0782/25 Submitted 20 Nov 2025 150 yards away

    5 x Lime - Crown reduce the height and spread back to the previous reduction points 1.5m height and 1m spread. Remove Ivy from trunks and cut to ground level. Maintenance works in line with good arboricultural practice. Standing in Group G1 of Tree Preservation Order. 1 x Large Yew - Crown reduce the spread towards property by 1.5m to give a 2.0m clearance. Maintenance works in line with good arboricultural practice. Standing in Area A1 of Tree Preservation Order. 1 x Cedar - Remove dead wood. Maintenance works in line with good arboricultural practice. Standing in Area A1 of Tree Preservation Order. 1 x Plum - Extensive decay in main fork just above ground level. Cut decayed stem close to ground level. Remove damaged branch growing towards property. Reduce the limbs leaning towards the property by 3.5m. Maintenance works in line with good arboricultural practice. Standing in Area A1 of Tree Preservation Order.

    Granted Trees 5 docs
  • Woodside Home Woodside House Baxendale London N20 0EH

    26/1633/FUL Submitted 30 Apr 2026 200 yards away

    New external lift shaft serving ground, first, second and third floors. Alterations to the ground floor external staircase

    Granted Full applications 7 docs
  • Woodside House Baxendale London N20 0EH

    TPP/0459/26 Submitted 7 Aug 2026 200 yards away

    79% historically approved · decision due ~2 Oct

    1 x Dead Holly (applicants ref. T1) - Fell. Standing in Area A1 of Tree Preservation Order. (Exempt works)

    Awaiting decision Trees

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