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Planning application

17 Byng Road Barnet EN5 4NW

Granted Barnet 26/1067/192 Proposed Lawful Development Certificate

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

Single storey rear extension following demolition of the existing conservatory

As published by the council, reference 26/1067/192

Application record

Reference
26/1067/192
Type
Proposed Lawful Development Certificate
Status
Lawful
Decision
Granted As published: Lawful
Received
19 Mar 2026
Validated
19 Mar 2026
Decided
14 Apr 2026
Ward
High Barnet
Decision by
Delegated Decision
Postcode
EN5 4NW

Site history

Applications at this address on the Barnet register

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

  • 25/4700/HSE Awaiting decision

    17 Byng Road Barnet EN5 4NW

    Single storey rear extension with 1no. roof lantern following demolition of the existing conservatory

    Submitted 25 Nov 2025 Householder
  • 25/3975/PNH Awaiting decision

    17 Byng Road Barnet EN5 4NW

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and eaves height of 2.50m

    Submitted 1 Oct 2025 Prior approval

Timeline

Dates from the published record

  1. 19 Mar 2026

    Received by Barnet

  2. 14 Apr 2026

    Decision issued: Lawful

  3. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

QM Designs Agent, a design practice

27 applications on PlanIndex · across 9 councils · 79% granted

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See their track record

Documents

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

5 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 14 April 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 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

  • 17 Byng Road Barnet EN5 4NW

    25/3975/PNH Submitted 1 Oct 2025 50 yards away

    56% historically approved · decision due ~26 Nov

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and eaves height of 2.50m

    Awaiting decision Prior approval Extension 4 docs
    Small domestic

  • 17 Byng Road Barnet EN5 4NW

    25/4700/HSE Submitted 25 Nov 2025 50 yards away

    77% historically approved · decision due ~20 Jan

    Single storey rear extension with 1no. roof lantern following demolition of the existing conservatory

    Awaiting decision Householder Extension Demolition +1 6 docs
    Small domestic

  • 31 Byng Road Barnet EN5 4NW

    25/4459/HSE Submitted 7 Nov 2025 50 yards away

    Single storey rear extension with 2no. rooflights

    Refused Householder Extension Loft or dormer 8 docs
    Small domestic

  • 31 Byng Road Barnet EN5 4NW

    25/3781/PNH Submitted 15 Sep 2025 50 yards away

    56% historically approved · decision due ~10 Nov

    Single storey rear extension with a proposed depth of 5.50m, maximum height of 4.00m and an eaves height of 3.00m

    Awaiting decision Prior approval Extension 4 docs
    Small domestic

  • 15 Marriott Road Barnet EN5 4NJ

    24/1773/HSE Submitted 7 May 2024 150 yards away

    Single storey rear extension with 1no. rooflight following the demolition of existing ground floor extension

    Granted Householder Extension Loft or dormer +1 8 docs
    Small domestic

  • 2B Alston Road Barnet EN5 4ET

    24/1709/HSE Submitted 30 Apr 2024 150 yards away

    Single storey rear extension with green roof. New rear permeable paving. Alterations to landscaping including grassed area and new bin store

    Withdrawn Householder Extension 5 docs
    Small domestic

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