43 Cannon Lane, Pinner, Harrow, HA5 1HN

This site has had 2 applications since 2025.

• PL/0170/26 Status unknown

  43 Cannon Lane, Pinner, Harrow, HA5 1HN

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

  Submitted 22 Jan 2026 Prior approval

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; 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.

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

  PL/0170/26 Submitted 22 Jan 2026 50 yards 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 50 yards 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 50 yards 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 100 yards 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 100 yards 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 100 yards 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

  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