89 Carlyon Avenue, South Harrow, Harrow, HA2 8SN

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

• PL/2663/25 Granted

  89 Carlyon Avenue, South Harrow, Harrow, HA2 8SN

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

  Submitted 15 Oct 2025 Prior approval

1. 30 Sep 2025

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 25 November 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.

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.

• 89 Carlyon Avenue, South Harrow, Harrow, HA2 8SN

  PL/2663/25 Submitted 15 Oct 2025 0m away

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

  Granted Prior approval Extension
  Small domestic

• 83 Carlyon Avenue, South Harrow, Harrow, HA2 8SN

  PL/0907/26 Submitted 1 Apr 2026 0m away

  Decision due ~27 May

  Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope

  Status unknown Lawful development Extension Loft or dormer

• 27 Corfe Avenue, South Harrow, Harrow, HA2 8TA

  PL/1119/26 Submitted 24 Apr 2026 111m away

  Decision due ~19 Jun

  First floor rear extension; external alterations

  Status unknown Householder Extension
  Domestic

• 43 Walton Avenue, South Harrow, Harrow, HA2 8QU

  PL/1752/25 Submitted 4 Jul 2025 121m away

  Certificate of Lawful Proposed Development: Installation of domestic air source pump floor mounted

  Granted Lawful development

• 40 Tregenna Avenue, South Harrow, Harrow, HA2 8QT

  PL/0768/26 Submitted 20 Mar 2026 134m away

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

  Refused Prior approval Extension
  Small domestic

• 40 Tregenna Avenue, South Harrow, Harrow, HA2 8QT

  PL/0738/26 Submitted 18 Mar 2026 134m away

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

  Refused Prior approval Extension
  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