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Planning application

22 Thistledene Avenue, South Harrow, Harrow, HA2 9HL

Status unknown Harrow PL/0509/26 Certificate of Lawful Development Proposed

Works: Loft or dormer Windows or glazing

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

Proposal

Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer, Installation of two roof lights in front roof slope and window in gable end

As published by the council, reference PL/0509/26

Application record

Reference
PL/0509/26
Type
Certificate of Lawful Development Proposed
Received
26 Feb 2026
Ward
Roxbourne
Postcode
HA2 9HL

Site history

Applications at this address on the Harrow register

This site has had 3 applications since 2026.

  • PL/1148/26 Status unknown

    22 Thistledene Avenue, South Harrow, Harrow, HA2 9HL

    Single storey rear extension

    Submitted 27 Apr 2026 Householder
  • PL/0505/26 Status unknown

    22 Thistledene Avenue, South Harrow, Harrow, HA2 9HL

    Single and two storey rear extension (Demolition of rear extension)

    Submitted 26 Feb 2026 Householder

Timeline

Dates from the published record

  1. 26 Feb 2026

    Received by Harrow

  2. 12 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 23 April 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

Checking the current position

The published feed does not show a live status for this application; the register on Harrow's own portal holds the authoritative version.

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

  • 22 Thistledene Avenue, South Harrow, Harrow, HA2 9HL

    PL/0505/26 Submitted 26 Feb 2026 50 yards away

    Decision due ~23 Apr

    Single and two storey rear extension (Demolition of rear extension)

    Status unknown Householder Extension Demolition
    Domestic

  • 22 Thistledene Avenue, South Harrow, Harrow, HA2 9HL

    PL/1148/26 Submitted 27 Apr 2026 50 yards away

    Decision due ~22 Jun

    Single storey rear extension

    Status unknown Householder Extension
    Small domestic

  • 231 Malvern Avenue, South Harrow, Harrow, HA2 9HF

    P/1420/21 Submitted 6 Apr 2021 100 yards away

    CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer, insertion of two rooflights in front roofslope and window in side of end gable

    Granted Lawful development Loft or dormer Windows or glazing 12 docs

  • 694 FIELD END ROAD EASTCOTE HA4 0QR

    80162/APP/2026/1807 Submitted 21 Jul 2026 150 yards away

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 2.79 metres, and for which the height of the eaves would be 2.79 metres.

    Granted Full applications Extension 5 docs
    Small domestic

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

    PL/1732/26 Submitted 24 Jun 2026 150 yards away

    Decision due ~19 Aug

    Single storey rear extension: 6.00 metres deep, 3.14 metres maximum height and 3.00 metres high to the eaves

    Status unknown Prior approval Extension
    Small domestic

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

    PL/1735/26 Submitted 24 Jun 2026 150 yards away

    Decision due ~19 Aug

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

    Status unknown Lawful development Loft or dormer

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

    Received 29 Jun, published by the council 12 Aug 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

    Received 29 Jun, published by the council 12 Aug 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

    Received 24 Jun, published by the council 12 Aug 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)

    Received 22 Jun, published by the council 12 Aug 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

    Received 22 Jun, published by the council 12 Aug 2026 Lawful development