43 Cannon Lane, Pinner, Harrow, HA5 1HN

1. 3 Sep 2025

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 29 October 2025, 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, which usually means the council register holds more recent detail than the copy PlanIndex receives.

The council portal linked on this page carries the authoritative version, including the documents, any consultation deadline and the decision once made. PlanIndex refreshes its copy of the register on a daily cycle.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 43 Cannon Lane, Pinner, Harrow, HA5 1HN

  PL/0170/26 Submitted 22 Jan 2026 0m away

  Decision due ~19 Mar

  Single storey rear extension: 4.20 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves

  Status unknown Prior approval Extension
  Small domestic

• 20 Cannon Lane, Pinner, Harrow, HA5 1HL

  PL/2391/24 Submitted 29 Aug 2024 68m away

  Single storey side extension, Single and two storey rear extension (Demolition of detached garage)

  Granted Householder Extension Demolition
  Small domestic

• 24 Cannon Lane, Pinner, Harrow, HA5 1HL

  PL/0920/26 Submitted 2 Apr 2026 68m away

  Decision due ~28 May

  Single and two storey side to rear extensions; attached garage; rear dormer; external alterations (Demolition of porch canopy, side extension, and detached garage)

  Status unknown Householder Extension Loft or dormer +1
  Small domestic

• 13 Vale Croft, Pinner, Harrow, HA5 1HJ

  PL/3216/24 Submitted 6 Dec 2024 73m away

  Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3.00 metres high to the eaves

  Granted Prior approval Extension
  Small domestic

• Harrow Carpet Studio, 54 Cannon Lane, Pinner, Harrow, HA5 1HW

  P/1518/21/PRIOR Submitted 9 Apr 2021 89m away

  Change Of Use of rear part of ground floor from Retail (Class A1 (New Class E)) to one Studio flat (Class C3); External Alterations; (Prior Approval of Transport and Highways Impacts of the Development, Contamination, Flooding, the Desirability of the Change of Use, External Appearance and Adequate Light)

  Granted Prior approval 8 docs

• Cannon Newsagent, 58 Cannon Lane, Pinner, Harrow, HA5 1HW

  P/1491/21 Submitted 6 Apr 2021 89m away

  Display of one internally illuminated fascia sign and one internally illuminated hanging sign

  Granted Advertising 11 docs

• 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