63 Cannonbury Avenue, Pinner, Harrow, HA5 1TP

1. 16 Oct 2024

   Received by Harrow

2. 2 Sep 2026

   Added to PlanIndex

Harrow granted permission, 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 61 Cannonbury Avenue, Pinner, Harrow, HA5 1TP

  PL/0796/23 Submitted 10 Dec 2023 0m away

  Single storey front extension incorporating front porch; single and two storey side extension; single storey rear extension; external alterations

  Refused Householder Extension
  Small domestic

• 61 Cannonbury Avenue, Pinner, HA5 1TP

  P/4918/17 Submitted 30 Oct 2017 0m away

  Single storey front side and rear extension incorporating front porch; alterations to roof to form end gable; rear dormer; rooflight in front roofslope; window in end gable (demolition of attached garage and front entrance canopy)

  Granted Householder Extension Loft or dormer +2 22 docs
  Small domestic

• 33 Cannonbury Avenue, Pinner, Harrow, HA5 1TP

  PL/0345/26 Submitted 9 Feb 2026 0m away

  Decision due ~6 Apr

  Single storey rear extension; front porch; first floor side extension; alterations and extension to roof; rear dormer; rooflights in front and rear roof slopes; external alterations (demolition of rear dormer)

  Status unknown Householder Extension Loft or dormer +1
  Small domestic

• 35 Cannonbury Avenue, Pinner, Harrow, HA5 1TP

  P/3991/22 Submitted 21 Nov 2022 0m away

  Two storey side extension; external alterations (demolition of attached garage and rear projection)

  Granted Householder Extension Demolition 10 docs
  Domestic

• 35 Cannonbury Avenue, Pinner, Harrow, HA5 1TP

  P/3849/22/PRIOR Submitted 8 Nov 2022 0m away

  Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves

  Granted Prior approval Extension 7 docs
  Small domestic

• 49 Cannonbury Avenue, Pinner, Harrow, HA5 1TP

  P/1524/22 Submitted 25 Apr 2022 0m away

  Single storey side to rear extension incorporating garage; external alterations (demolition of attahed garage)

  Granted Householder Extension Demolition 14 docs
  Small domestic

• PL/1797/26 Status unknown

  61 Uppingham Avenue, Stanmore, Harrow, HA7 2JB

  Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metres high to the eaves

  2 Jul 2026 Prior approval
• PL/1793/26 Status unknown

  36 Hinkler Road, Kenton, Harrow, HA3 9AU

  Single storey rear extension: 6.00 metres deep, 3.38 metres maximum height and 2.75 metres high to the eaves

  1 Jul 2026 Prior approval
• PL/1792/26 Status unknown

  3 Monro Gardens, Harrow Weald, Harrow, HA3 6HH

  Single storey rear extension: 6.50 metres deep, 3.20 metres maximum height and 3.00 metres high to the eaves

  1 Jul 2026 Prior approval
• PL/1794/26 Status unknown

  65 Dean Drive, Edgware, Stanmore, Harrow, HA7 1HB

  Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves

  1 Jul 2026 Prior approval
• PL/1749/26 Status unknown

  22 Hazelwood Close, Harrow, HA2 6HD

  Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 2.80 metres high to the eaves

  29 Jun 2026 Prior approval