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Planning application

51 Millway London NW7 3QT

Awaiting decision Barnet 26/0096/192 Proposed Lawful Development Certificate

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Single storey rear extension

As published by the council, reference 26/0096/192

Application record

Reference
26/0096/192
Type
Proposed Lawful Development Certificate
Status
Pending Consideration
Received
12 Jan 2026
Validated
4 Feb 2026
Ward
Mill Hill
Postcode
NW7 3QT

Site history

Applications at this address on the Barnet register

This site has had 5 applications since 2025: 2 approved, 1 refused.

  • 26/3048/PNH Decided

    51 Millway London NW7 3QT

    Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.725 metres and eaves height of 2.401 metres.

    Submitted 19 Aug 2026 Prior approval
  • 26/1334/PNH Refused

    51 Millway London NW7 3QT

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 4.00m and an eaves height of 2.55m

    Decided 21 May 2026 Prior approval
  • 25/4181/HSE Granted

    51 Millway London NW7 3QT

    Part single, part two-storey rear extension (AMENDED PROPOSAL)

    Decided 17 Dec 2025 Householder
  • 25/4178/192 Granted

    51 Millway London NW7 3QT

    Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights. New side gable window. New front porch following the demolition of existing porch

    Decided 18 Nov 2025 Lawful development

Timeline

Dates from the published record

  1. 12 Jan 2026

    Received by Barnet

  2. 4 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 1 April 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

RJF Architecture Agent, an architecture practice registered in London

Active · incorporated 2018 · London

16 applications on PlanIndex · across 9 councils · 64% 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

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.

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

  • 51 Millway London NW7 3QT

    26/1334/PNH Submitted 10 Apr 2026 50 yards away

    Single storey rear extension with a proposed depth of 6.00m, maximum height of 4.00m and an eaves height of 2.55m

    Refused Prior approval Extension 15 docs
    Small domestic

  • 51 Millway London NW7 3QT

    25/4181/HSE Submitted 17 Oct 2025 50 yards away

    Part single, part two-storey rear extension (AMENDED PROPOSAL)

    Granted Householder Extension 19 docs
    Domestic

  • 51 Millway London NW7 3QT

    25/4178/192 Submitted 17 Oct 2025 50 yards away

    Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights. New side gable window. New front porch following the demolition of existing porch

    Granted Lawful development Extension Loft or dormer +2 14 docs
    Small domestic

  • 60 Millway London NW7 3RA

    26/2812/HSE Submitted 30 Jul 2026 100 yards away

    77% historically approved · decision due ~24 Sep

    Two storey side extension linking to house and single storey rear infill extension following demolition of the existing garage. Associated alterations to roof

    Decided Householder Extension Demolition
    Small domestic

  • 3A Newcombe Park London NW7 3QN

    25/4172/FUL Submitted 17 Oct 2025 100 yards away

    Change of use from C3 (Residential) to short-term/self-catering accommodation (C1/Sui Generis)

    Refused Full applications 14 docs

  • 91 Millway London NW7 3QT

    26/2787/RCU Submitted 28 Jul 2026 100 yards away

    Alteration and extension of the existing rear patio including new access steps to garden, installation of a retractable roof pergola and addition of a 2m-high boundary fence to one side (Retrospective Application)

    Refused Extension
    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