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Planning application

18 Mount Stewart Avenue, Harrow, HA3 0JP

Granted Brent 19/3952 Certificate of Lawfulness - Proposed

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of lawfulness for proposed conversion of garage into habitable room to dwellinghouse

As published by the council, reference 19/3952

Application record

Reference
19/3952
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Granted As published: Certificate of Lawfulness - Granted
Received
7 Nov 2019
Validated
23 Jan 2020
Decided
16 Mar 2020
Ward
Kenton
Decision by
Delegated Team Manager
Postcode
HA3 0JP

Timeline

Dates from the published record

  1. 7 Nov 2019

    Received by Brent

  2. 23 Jan 2020

    Validated

    Checked as complete and ready for consideration.

  3. 16 Mar 2020

    Decision issued: Certificate of Lawfulness - Granted

  4. 30 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Studio 136 Architects Ltd Agent, an architecture practice registered in Berkhamsted

Active · incorporated 2000 · Berkhamsted

407 applications on PlanIndex · across 32 councils · 79% granted

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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

Brent granted permission on 16 March 2020, 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

  • 30 Mount Stewart Avenue, Harrow, HA3 0JP

    25/2715 Submitted 24 Sep 2025 50 yards away

    Demolition of existing shed and erection of single-storey plant room and outbuilding in rear garden of dwellinghouse

    Granted Householder Demolition 8 docs
    Small domestic

  • 30 Mount Stewart Avenue, Harrow, HA3 0JP

    25/2711 Submitted 23 Sep 2025 50 yards away

    Demolition of existing front porch and proposed erection of front porch extension to dwellinghouse

    Refused Householder Extension Demolition 7 docs
    Small domestic

  • 30 Mount Stewart Avenue, Harrow, HA3 0JP

    25/2712 Submitted 23 Sep 2025 50 yards away

    Variation of condition 2 (Approved drawings) to allow Installation of 1x side and 1x rear rooflights Installation of 1x side window , of Householder planning permission application reference 25/0498 dated 14/05/2025 for Proposed part front, rear and side extension to the first floor, rear dormer extension, and enlargement of the garage door windows to dwellinghouse (Revised Description)

    Granted Amendments Extension Loft or dormer +1 5 docs
    Domestic

  • 2 Mount Stewart Avenue, Harrow, HA3 0JP

    20/4009 Submitted 4 Dec 2020 50 yards away

    Details pursuant to condition 4 (materials) of Householder reference 19/2452 dated 18 September, 2019, for Proposed two storey side extension and front porch to dwellinghouse

    Refused Conditions Extension 7 docs
    Small domestic

  • 2 Mount Stewart Avenue, Harrow, HA3 0JP

    21/1557 Submitted 28 Apr 2021 50 yards away

    Details pursuant to condition 4 (materials) of Householder reference 19/2452 dated 18 September, 2019, for Proposed two storey side extension and front porch to dwellinghouse

    Granted Conditions Extension 5 docs
    Small domestic

  • 2 Mount Stewart Avenue, Harrow, HA3 0JP

    20/2778 Submitted 8 Sep 2020 50 yards away

    Details pursuant to condition 4 (materials) of Householder reference 19/2452 dated 18 September, 2019, for Proposed two storey side extension and front porch to dwellinghouse

    Refused Conditions Extension 6 docs
    Small domestic

In Brent

  • 26/2285 Awaiting decision

    137 Chatsworth Road, London, NW2 5QT

    Certificate of lawfulness for proposed use as supported housing

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2277 Awaiting decision

    65 The Avenue, Wembley, HA9 9PH

    Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2199 Awaiting decision

    Flat 8, 399 Neasden Lane North, London, NW10 0BD

    Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.

    Received 2 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2093 Awaiting decision

    17 Buller Road, London, NW10 5BS

    Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door to dwellinghouse

    Received 18 Aug, published by the council 21 Sep 2026 Lawful development
  • 26/1208 Granted

    50 Ballogie Avenue, London, NW10 1TA

    Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse

    Received 13 May, published by the council 25 Jul 2026 Lawful development