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Planning application

23 Preston Hill, Harrow, HA3 9SB

Granted Brent 21/1121 Certificate of Lawfulness - Proposed

Works: Extension Loft or dormer 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 hip to gable-end roof extension, rear dormer window with Juliet balcony, three front rooflights and single-storey rear extension to dwellinghouse

As published by the council, reference 21/1121

Application record

Reference
21/1121
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Granted As published: Certificate of Lawfulness - Granted
Received
26 Mar 2021
Validated
26 Mar 2021
Decided
20 May 2021
Ward
Kenton
Decision by
Delegated Team Manager
Postcode
HA3 9SB

Site history

Applications at this address on the Brent register

This site has had 2 applications since 2021: 2 approved, 0 refused.

  • 21/0556 Granted

    23 Preston Hill, Harrow, HA3 9SB

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 3.7m Maximum height - 3.68m Eaves height - 2.83m

    Decided 23 Mar 2021 Prior approval

Timeline

Dates from the published record

  1. 26 Mar 2021

    Received by Brent

  2. 20 May 2021

    Decision issued: Certificate of Lawfulness - Granted

  3. 20 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

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

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Documents

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

7 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 20 May 2021, 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

  • 23 Preston Hill, Harrow, HA3 9SB

    21/0556 Submitted 16 Feb 2021 50 yards away

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 3.7m Maximum height - 3.68m Eaves height - 2.83m

    Granted Prior approval Extension 7 docs
    Small domestic

  • 22 Preston Hill, Harrow, HA3 9SD

    21/0716 Submitted 1 Mar 2021 50 yards away

    Proposed single-storey rear extension to dwellinghouse

    Granted Householder Extension 6 docs
    Small domestic

  • 24 & 26 Preston Hill, Harrow, HA3 9SD

    20/3245 Submitted 8 Oct 2020 50 yards away

    Joint application for demolition of existing rear extension and erection of new single storey rear extension to both dwellinghouses

    Granted Full applications Extension Demolition 5 docs
    Small domestic

  • 12 Preston Hill, Harrow, HA3 9SD

    20/3771 Submitted 18 Nov 2020 50 yards away

    Two-storey side extension and single-storey side extension with polycarbonate roof to dwellinghouse

    Granted Householder Extension 9 docs
    Small domestic

  • 63 Dorchester Way, Harrow, HA3 9RD

    21/3628 Submitted 27 Sep 2021 50 yards away

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

    Granted Lawful development Extension Loft or dormer +1 5 docs
    Domestic

  • 63 Dorchester Way, Harrow, HA3 9RD

    21/3635 Submitted 27 Sep 2021 50 yards away

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 3m

    Granted Prior approval Extension 4 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