Skip to content
PlanIndex Get alerts
Menu

Planning application

106 Cannonbury Avenue, Pinner, Harrow, HA5 1TT

Granted Harrow PL/3312/25 Prior Notification - Larger Home Extension

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Single storey rear extension: 8.00 metres deep, 3.90 metres maximum height and 2.70 metres high to the eaves

As published by the council, reference PL/3312/25

Application record

Reference
PL/3312/25
Type
Prior Notification - Larger Home Extension
Status
Permitted
Decision
Granted As published: Prior Approval not required
Received
19 Dec 2025
Ward
Pinner South
Postcode
HA5 1TT

Site history

Applications at this address on the Harrow register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • PL/3319/25 Status unknown

    106 Cannonbury Avenue, Pinner, Harrow, HA5 1TT

    Certificate of Lawful Development (Proposed): Wrap around rear dormer; two rooflights in both side roof slopes

    Submitted 19 Dec 2025 Lawful development

Timeline

Dates from the published record

  1. 19 Dec 2025

    Received by Harrow

  2. 12 Aug 2026

    Added to PlanIndex

What this grant of permission means

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.

About prior approval applications

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.

Nearby applications

Within 0.3 miles

  • 86 Cannonbury Avenue, Pinner, Harrow, HA5 1TT

    PL/0361/25 Submitted 13 Feb 2025 50 yards away

    Conversion of garage to habitable room, Replace garage door with window in front elevation, Alterations to roof of garage to raise height, Single storey rear extension, Raised patio to rear, External alterations

    Granted Householder Extension Windows or glazing
    Small domestic
  • 126 Cannonbury Avenue, Pinner, Harrow, HA5 1TT

    PL/0213/26 Submitted 26 Jan 2026 50 yards away

    Decision due ~23 Mar

    Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.80 metres high to the eaves

    Status unknown Prior approval Extension
    Small domestic
  • 106 Cannonbury Avenue, Pinner, Harrow, HA5 1TT

    PL/3319/25 Submitted 19 Dec 2025 50 yards away

    Decision due ~13 Feb

    Certificate of Lawful Development (Proposed): Wrap around rear dormer; two rooflights in both side roof slopes

    Status unknown Lawful development Extension Loft or dormer
  • 141 Cannonbury Avenue, Pinner, Harrow, HA5 1TR

    PL/0905/25 Submitted 31 Mar 2025 50 yards away

    Single storey front extension incorporating porch, Single and two storey side to rear extension (Demolition of attached garage)

    Withdrawn Householder Extension Demolition
    Small domestic
  • 69 Chestnut Drive, Pinner, Harrow, HA5 1LX

    PL/1667/26 Submitted 17 Jun 2026 50 yards away

    Decision due ~12 Aug

    Single and first floor rear extensions; external alterations

    Status unknown Householder Extension
    Domestic
  • 69 Chestnut Drive, Pinner, Harrow, HA5 1LX

    PL/1399/26 Submitted 21 May 2026 50 yards away

    Decision due ~16 Jul

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

    Status unknown Prior approval Extension
    Small domestic

In Harrow

  • 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

    Received 2 Jul, published by the council 12 Aug 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

    Received 1 Jul, published by the council 12 Aug 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

    Received 1 Jul, published by the council 12 Aug 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

    Received 1 Jul, published by the council 12 Aug 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

    Received 29 Jun, published by the council 12 Aug 2026 Prior approval