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Planning application

13 St Thomas' Drive, Hatch End, Pinner, Harrow, HA5 4SX

Granted Harrow P/1432/23 Certificate of Lawful Development Existing

Works: Extension 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 LAWFUL DEVELOPMENT (PROPOSED): Single Storey Rear Extension (Following established prior approval P/0898/23/PRIOR)

As published by the council, reference P/1432/23

Application record

Reference
P/1432/23
Type
Certificate of Lawful Development Existing
Status
Final
Decision
Grant
Received
15 May 2023
Validated
24 May 2023
Decided
10 Jul 2023
Ward
Pinner
Decision by
Delegated
Postcode
HA5 4SX

Site history

Applications at this address on the Harrow register

This site has had 4 applications since 2023: 2 approved, 1 refused.

  • PL/0215/26 Status unknown

    13 St Thomas' Drive, Hatch End, Pinner, Harrow, HA5 4SX

    Non-Material amendment to planning permission PL/0139/24 dated 15/03/2024 to change a window to a door in ground floor front elevation

    Submitted 26 Jan 2026 Amendments
  • PL/3114/25 Refused

    13 St Thomas' Drive, Hatch End, Pinner, Harrow, HA5 4SX

    Non-Material amendment to planning permission PL/0139/24 dated 15/03/2024 to allow change the garage window to Garage door; Change the window to Juliet Balcony with structural glazing ; Split and reduce size of bathroom window with obscured fixed glass and top pane of 400mm for ventilations ; Remove the proposed window

    Submitted 2 Dec 2025 Amendments
  • PL/2608/25 Granted

    13 St Thomas' Drive, Hatch End, Pinner, Harrow, HA5 4SX

    Non-Material amendment to planning permission PL/0139/24 dated 15/03/2024 to change the colour of roof tiles & windows to black/grey; reduce window sizes and increase entrance doors opening to 2.1m

    Submitted 7 Oct 2025 Amendments

Timeline

Dates from the published record

  1. 15 May 2023

    Received by Harrow

  2. 24 May 2023

    Validated

    Checked as complete and ready for consideration.

  3. 10 Jul 2023

    Decision issued: Grant

  4. 2 Sep 2026

    Added to PlanIndex

Documents

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

13 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Harrow granted permission on 10 July 2023, 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 500 metres

  • 13 St Thomas' Drive, Hatch End, Pinner, Harrow, HA5 4SX

    PL/0215/26 Submitted 26 Jan 2026 0m away

    Decision due ~23 Mar

    Non-Material amendment to planning permission PL/0139/24 dated 15/03/2024 to change a window to a door in ground floor front elevation

    Status unknown Amendments Windows or glazing

  • 13 St Thomas' Drive, Hatch End, Pinner, Harrow, HA5 4SX

    PL/3114/25 Submitted 2 Dec 2025 0m away

    Non-Material amendment to planning permission PL/0139/24 dated 15/03/2024 to allow change the garage window to Garage door; Change the window to Juliet Balcony with structural glazing ; Split and reduce size of bathroom window with obscured fixed glass and top pane of 400mm for ventilations ; Remove the proposed window

    Refused Amendments Windows or glazing

  • 13 St Thomas' Drive, Hatch End, Pinner, Harrow, HA5 4SX

    PL/2608/25 Submitted 7 Oct 2025 0m away

    Non-Material amendment to planning permission PL/0139/24 dated 15/03/2024 to change the colour of roof tiles & windows to black/grey; reduce window sizes and increase entrance doors opening to 2.1m

    Granted Amendments Roofing Windows or glazing

  • Hightrees, 8 Holly Grove, Pinner, HA5 4TA

    P/5426/16 Submitted 15 Nov 2016 65m away

    T6 beech (rear garden): decay at base (meripilus). Fell and replace *see below

    Granted Trees 8 docs

  • The Hollies, 5 Holly Grove, Pinner, Harrow, HA5 4TA

    P/1313/21 Submitted 29 Mar 2021 65m away

    Single storey rear extension

    Granted Householder Extension 11 docs
    Small domestic

  • Holly Lodge, 3 Holly Grove, Pinner, Harrow, HA5 4TA

    PL/2324/25 Submitted 5 Sep 2025 65m away

    Single storey rear extension; external alterations (Demolition of rear conservatory)

    Granted Householder Extension Demolition
    Small domestic

In Harrow

  • PL/1761/26 Status unknown

    1 Middle Road, Harrow On The Hill, Harrow, HA2 0HW

    Certificate of lawful development (proposed): Replacement of ground floor front bay window

    29 Jun 2026 Lawful development
  • PL/1772/26 Status unknown

    114 Somervell Road, South Harrow, Harrow, HA2 8TT

    Certificate of Lawful Proposed Development: Demolition and replacement of first floor level and roof

    29 Jun 2026 Lawful development
  • PL/1735/26 Status unknown

    222 Malvern Avenue, South Harrow, Harrow, HA2 9HE

    Certificate of lawful development (proposed): Rear dormer; installation of rooflight in front roofslope

    24 Jun 2026 Lawful development
  • PL/1716/26 Status unknown

    59 Leamington Crescent, South Harrow, Harrow, HA2 9HH

    Certificate of Lawful Development (Proposed): Garden room with garden tools storage at rear (demolition of detached garage)

    22 Jun 2026 Lawful development
  • PL/1696/26 Status unknown

    31 Chandos Road, Harrow, HA1 4QX

    Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; window in end gable

    22 Jun 2026 Lawful development