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Planning application

334 Preston Road, Harrow, HA3 0QH

Granted Brent 24/1879 Certificate of Lawfulness - Proposed

Works: Extension Windows or glazing 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

Certificate of lawfulness for proposed conversion and enlargement of garage into habitable room with rear garage extension, alterations to fenestration and single storey outbuilding in rear garden of the dwellinghouse.

As published by the council, reference 24/1879

Application record

Reference
24/1879
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Granted As published: Certificate of Lawfulness - Granted
Received
8 Jul 2024
Validated
11 Jul 2024
Decided
3 Sep 2024
Ward
Kenton
Decision by
Delegated Team Manager
Postcode
HA3 0QH

Timeline

Dates from the published record

  1. 8 Jul 2024

    Received by Brent

  2. 11 Jul 2024

    Validated

    Checked as complete and ready for consideration.

  3. 3 Sep 2024

    Decision issued: Certificate of Lawfulness - Granted

  4. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Tricon Design Ltd Agent, a design practice registered in Ilford

Active · incorporated 2022 · Ilford

81 applications on PlanIndex · across 17 councils · 84% granted

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Documents

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

12 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 3 September 2024, 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

  • 312 Preston Road, Harrow, HA3 0QH

    25/3596 Submitted 29 Dec 2025 50 yards away

    70% historically approved · decision due ~23 Feb

    Demolition of existing garage and erection of a three and part four storey mixed-use building with commercial space on the basement and ground floors and 8x self-contained flats on the upper floors, the installation of new vehicular access, the provision of cycle and refuse storage, a communal garden, and associated landscaping.

    Awaiting decision Full applications New dwelling Demolition 31 docs
  • 340 Preston Road, Harrow, HA3 0QH

    16/0089 Submitted 1 Feb 2016 50 yards away

    Retrospective application for change of use from residential care home (Use class C2) to a day centre providing respite care and occassional overnight stay (Use Class Sui Generis, comprising a mix of Use Class D1 and Use Class C2) and proposed widening of existing vehicular crossover

    Granted Full applications 8 docs
  • 312 Preston Road, Harrow, HA3 0QH

    20/1035 Submitted 27 Mar 2020 50 yards away

    Demolition of garage and erection of three and part four storey mixed-use building with commercial space on basement and ground floors and 8 self-contained flats on upper floors, installation of new vehicular access, provision for cycle and refuse storage, communal garden and associated landscaping, subject to Deed of Agreement dated 16th December 2021 under Section 106 of Town and Country Planning Act 1990, as amended.

    Granted Full applications New dwelling Demolition 27 docs
  • 318 Preston Road, Harrow, HA3 0QH

    21/0762 Submitted 3 Mar 2021 50 yards away

    Proposed single-storey rear extension to shop and alterations to external staircase to first-floor flat

    Granted Full applications Extension 6 docs
    Small domestic
  • 336 Preston Road, Harrow, HA3 0QH

    20/2767 Submitted 8 Sep 2020 50 yards away

    Demolition of side garage and rear extension and erection of single-storey side and single-storey rear extensions with extension to existing dropped-kerb and associated landscaping to dwellinghouse

    Granted Householder Extension Demolition 7 docs
    Small domestic
  • 43 Oxenpark Avenue, Wembley, HA9 9SY

    20/1721 Submitted 15 Jun 2020 50 yards away

    Proposed retention of part single-storey part two-storey side and rear extension, retention and reduction to height and depth of single storey side to rear extension, retention and reduction of height and footprint of single storey detached outbuilding, removal of rear dormer and retention of side dormer, retention of and alterations to front porch, installation of bay window to side elevation, replacement boundary treatment, alterations to fenestration and timber embellishments, and provision of soft landscaping to front forecourt of dwellinghouse

    Granted Householder Extension Loft or dormer +1 12 docs
    Small domestic

In Brent

  • 26/1946 Awaiting decision

    120 Gladstone Park Gardens, London, NW2 6RL

    Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.

    Received 30 Jul, published by the council 10 Aug 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
  • 26/1015 Refused

    5 Midholm, Wembley, HA9 9LJ

    Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.

    Received 23 Apr, published by the council 25 Jul 2026 Lawful development
  • 26/1176 Refused

    47 Barn Rise, Wembley, HA9 9NH

    Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.

    Received 11 May, published by the council 25 Jul 2026 Lawful development
  • 26/1166 Refused

    66 Okehampton Road, London, NW10 3EP

    Certificate of lawfulness for proposed rear dormer and side dormer extension, 1x front rooflight, replacing side elevation window and door with aluminium frame windows and doors to dwellinghouse.

    Received 8 May, published by the council 25 Jul 2026 Lawful development