12 Hadleigh Close, Harrow, HA2 8FA

1. 8 Apr 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 3 June 2026, 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.

• 43 Alexandra Avenue, Rayners Lane, Harrow, HA2 8PQ

  PL/3307/25 Submitted 19 Dec 2025 78m away

  Decision due ~13 Feb

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

  Status unknown Lawful development Extension Loft or dormer +1

• 43 Alexandra Avenue, Rayners Lane, Harrow, HA2 8PQ

  PL/3306/25 Submitted 19 Dec 2025 78m away

  Decision due ~13 Feb

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

  Status unknown Prior approval Extension
  Small domestic

• 27 Somervell Road, South Harrow, Harrow, HA2 8TY

  P/2100/21/PRIOR Submitted 14 May 2021 92m away

  Single storey rear extension: 6.00 metres deep, 3.3 metres maximum height and 2.94 metres high to the eaves.

  Granted Prior approval Extension 11 docs
  Small domestic

• 45 Somervell Road, South Harrow, Harrow, HA2 8TY

  P/2418/22/PRIOR Submitted 28 Jun 2022 92m away

  Single storey rear extension: 6.00 metres deep, 3.42 metres maximum height and 3.00 metres high to the eaves

  Refused Prior approval Extension 5 docs
  Small domestic

• 11 Somervell Road, Harrow, HA2 8TY

  P/4329/18 Submitted 27 Sep 2018 92m away

  Certificate of lawful development (proposed): alterations to roof to form end gable; rear dormer; three rooflights in front rooflsope; window in end gable

  Granted Lawful development Loft or dormer Windows or glazing 9 docs

• 3 Somervell Road, South Harrow, Harrow, HA2 8TY

  PL/0653/23 Submitted 5 Dec 2023 92m away

  Single storey rear extension: 6.00 metres deep, 3.70 metres maximum height and 3.00 metres high to the eaves

  Granted 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