78 Tregenna Avenue, South Harrow, Harrow, HA2 8QS

1. 14 May 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 July 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.

• 64 Tregenna Avenue, South Harrow, Harrow, HA2 8QS

  PL/0614/26 Submitted 9 Mar 2026 50 yards away

  Decision due ~4 May

  Single storey rear extension (Demolition of attached outbuilding)

  Status unknown Householder Extension Demolition
  Small domestic

• 107 Tregenna Avenue, South Harrow, Harrow, HA2 8QR

  P/2467/21 Submitted 14 Jun 2021 100 yards away

  Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; installation of three rooflights in front roofslope and new window in gable end; front porch

  Granted Lawful development Extension Loft or dormer +1 11 docs
  Small domestic

• 107 Tregenna Avenue, South Harrow, Harrow, HA2 8QR

  P/2302/21/PRIOR Submitted 2 Jun 2021 100 yards away

  Single Storey Rear Extension: 6.00 metres deep, 3.27 metres maximum height, 3.00 metres high to the eaves

  Granted Prior approval Extension 7 docs
  Small domestic

• 109 Tregenna Avenue, Harrow, HA2 8QR

  P/0673/07 Submitted 6 Mar 2007 100 yards away

  Single storey rear extension

  Granted Full applications Extension 9 docs
  Small domestic

• 109 Tregenna Avenue, Harrow, HA2 8QR

  P/3417/17/PRIOR Submitted 14 Jul 2017 100 yards away

  Single storey rear extension: extending 5.5 Metres beyond the original rear wall 3 metres maximum height 2.8 Metres high to the eaves

  Granted Householder Extension 9 docs
  Small domestic

• 109 Tregenna Avenue, South Harrow, Harrow, HA2 8QR

  P/3035/17 Submitted 22 Jun 2017 100 yards away

  Single Storey Rear Extension: extending 5.5 metres beyond the original rear wall, 3 metres maximum height, 2.8 metres high to the eavesi

  Withdrawn Prior approval Extension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

  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