Tree Tops Mount Park Road, Harrow On The Hill, Harrow, HA1 3JP

1. 10 Feb 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 7 April 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• Brookesfield Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3JW

  PL/2736/25 Submitted 21 Oct 2025 105m away

  Decision due ~16 Dec

  Single storey wrap-around side to rear extension, two-storey side extensions, alterations to roof; two rear dormers, one front dormer, front porch; external alterations; detached single storey garage to front (demolition of front to side extension; front porch, conservatory, chimney stack and carport)

  Status unknown Householder Extension Loft or dormer +1
  Small domestic

• Beechbank Mount Park Avenue, Harrow On The Hill, Harrow, HA1 3JN

  P/3904/22 Submitted 14 Nov 2022 153m away

  Tree number - T1 Tree type - Ash (fraxinus excelsior) Approx Height - 20m Approx Spread - 16m Location - rear garden overhanging main road and college entrance Service - Fell Work required- Fell to main crown break to leave stem at a 6m heigh (monolith) to provide a habitat for mammals, small birds, and invertebrates in the future Reason -Tree has major dieback on southern side of crown with notable missing bark at base of stem with decay on buttress roots, tree is adjacent to road and surrounding properties and colleges

  Granted Trees 6 docs

• 19 Georgian Way, Harrow On The Hill, Harrow, HA1 3LF

  P/4048/22 Submitted 25 Nov 2022 185m away

  Extension of hardstanding and 1.8 m high retaining wall to front garden (Retrospective)

  Granted Householder Extension 14 docs
  Domestic

• 9 Georgian Way, Harrow On The Hill, Harrow, HA1 3LF

  P/1148/21 Submitted 19 Mar 2021 185m away

  Single and Two storey rear extensions; rear dormer; rooflights in front, side and rear roofslopes (demolition of existing single storey rear extension)

  Granted Householder Extension Loft or dormer +1 16 docs
  Small domestic

• 15 Elmfield Close, Harrow On The Hill, Harrow, HA1 3TL

  PL/3148/25 Submitted 4 Dec 2025 185m away

  Decision due ~29 Jan

  Certificate of Lawful Development (Existing): Installation of two heat pumps in side elevation

  Status unknown Lawful development

• Longridge, 2 London Road, Harrow-on-the-hill, HA1 3HD

  PL/0272/23 Submitted 16 Oct 2023 227m away

  Four storey side and rear extensions; internal reconfiguration of existing building to provide 8no. residential dwellings (4no. existing units reconfigured and 4no. new units) (3 X 1 bed, 4 X 2 bed and 1 X 3 bed) with basement car park; bin and cycle stores; proposed vehicle access; associated works

  Refused Full applications Extension
  Several homes

• PL/1791/26 Status unknown

  MELTON HOUSE Sudbury Hill, Sudbury, Harrow, HA1 3ND

  Single storey rear glazed extension; single storey side extension; installation of additional windows to front elevation at first floor level; external alterations (demolition of conservatory)

  1 Jul 2026 Householder
• PL/1766/26 Status unknown

  17 Sandymount Avenue, Stanmore, Harrow, HA7 4UA

  Vehicle access

  29 Jun 2026 Householder
• PL/1764/26 Status unknown

  9A Elmwood Avenue, Kenton, Harrow, HA3 8AJ

  Two storey rear extension at lower ground floor and ground floor level

  29 Jun 2026 Householder
• PL/1763/26 Status unknown

  160 Welbeck Road, West Harrow, Harrow, HA2 0RX

  Single storey rear extension

  29 Jun 2026 Householder
• PL/1760/26 Status unknown

  23 Sancroft Road, Wealdstone, Harrow, HA3 7NX

  Single storey front extension incorporating porch; single and two storey side to rear extension; single storey rear extension; rooflight in front roof slope; external alterations

  29 Jun 2026 Householder