20 Hiliary Gardens, Stanmore, Harrow, HA7 2NQ

1. 18 May 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 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.

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.

• 22 Hiliary Gardens, Stanmore, Harrow, HA7 2NQ

  PL/2595/25 Submitted 6 Oct 2025 0m away

  Single storey rear extension (Demolition of rear conservatory) (Retrospective)

  Granted Householder Extension Demolition
  Small domestic

• 98 Uppingham Avenue, Stanmore, Harrow, HA7 2JX

  PL/0464/26 Submitted 23 Feb 2026 171m away

  Decision due ~20 Apr

  Single storey front extensions; attached outbuilding at the rear to house boiler and plant system; external alterations

  Status unknown Householder Extension
  Small domestic

• 3 Uppingham Avenue, Stanmore, Harrow, HA7 2JH

  PL/0051/26 Submitted 6 Jan 2026 178m away

  Decision due ~3 Mar

  Single storey side extension; single storey rear extension (demolition of conservatory)

  Status unknown Householder Extension Demolition
  Small domestic

• 7 Uppingham Avenue, Stanmore, Harrow, HA7 2JH

  PL/0418/26 Submitted 16 Feb 2026 178m away

  Decision due ~13 Apr

  Certificate of Lawful Proposed Development: Alterations to roof to form end gable and rear dormer, Roof light in front roof slope; Alterations to roof of side extension

  Status unknown Lawful development Extension Loft or dormer

• 22 Derwent Crescent, Stanmore, Harrow, HA7 2NF

  PL/1431/26 Submitted 28 May 2026 190m away

  Decision due ~23 Jul

  Single storey rear extension: 6.00 metres deep, 3.15 metres maximum height and 3.00 metres high to the eaves

  Status unknown Prior approval Extension
  Small domestic

• 22 Derwent Crescent, Stanmore, Harrow, HA7 2NF

  PL/1459/26 Submitted 28 May 2026 190m away

  Decision due ~23 Jul

  Certificate of lawful development (proposed): Conversion of garage into habitable room; replacement of garage door with window

  Status unknown Lawful development Windows or glazing

• 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