26 Charmian Avenue, Stanmore, Harrow, HA7 1LJ

1. 23 Jan 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 20 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

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

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.

• 18 Charmian Avenue, Stanmore, Harrow, HA7 1LJ

  PL/1336/26 Submitted 14 May 2026 0m away

  Decision due ~9 Jul

  Single storey rear extension; external alterations

  Status unknown Householder Extension
  Small domestic

• 1, 1 Clydesdale Avenue, Stanmore, Harrow, HA7 1LN

  PL/2141/25 Submitted 14 Aug 2025 56m away

  Conversion of garage into habitable room; external alterations (retrospective)

  Withdrawn Full applications

• 1, 1 Clydesdale Avenue, Stanmore, Harrow, HA7 1LN

  PL/2144/25 Submitted 14 Aug 2025 56m away

  Single storey rear extension (retrospective)

  Withdrawn Full applications Extension
  Small domestic

• 10 Clydesdale Avenue, Stanmore, Harrow, HA7 1LW

  P/1430/23 Submitted 15 May 2023 95m away

  Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of window in gable end and two rooflights in front roofslope; single storey outbuilding in rear garden

  Granted Lawful development Loft or dormer Windows or glazing 11 docs
  Small domestic

• 24 Culver Grove, Stanmore, Harrow, HA7 2NN

  PL/3396/24 Submitted 19 Dec 2024 118m away

  Certificate of Lawful Development (Proposed): Alterations to roof to form gable end, rear facing dormer, 2 No. rooflights to front elevation, 1 No. window to side elevation

  Granted Lawful development Loft or dormer Windows or glazing

• 34 Culver Grove, Stanmore, Harrow, HA7 2NW

  PL/0785/26 Submitted 23 Mar 2026 139m away

  Decision due ~18 May

  Change of Use from dwelling house (Class C3) to residential children's care home (Class C2)

  Status unknown Full applications
  Domestic

• 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