9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

This site has had 3 applications since 2026.

• PL/1428/26 Status unknown

  9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

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

  Submitted 27 May 2026 Prior approval
• PL/0704/26 Status unknown

  9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

  Certificate of lawful development (proposed): Single storey rear extension

  Submitted 15 Mar 2026 Lawful development

1. 30 Apr 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 25 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.

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.

• 37 Masefield Avenue, Stanmore, Harrow, HA7 3LU

  PL/0460/26 Submitted 23 Feb 2026 0m away

  Certificate of Lawful Development (Proposed): Change of use from Dwellinghouses (C3) to HMO for up to 6 Persons (C4)

  Granted Lawful development

• 9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

  PL/0704/26 Submitted 15 Mar 2026 0m away

  Decision due ~10 May

  Certificate of lawful development (proposed): Single storey rear extension

  Status unknown Lawful development Extension
  Small domestic

• 9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

  PL/1428/26 Submitted 27 May 2026 0m away

  Decision due ~22 Jul

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

  Status unknown Prior approval Extension
  Small domestic

• 37 Masefield Avenue, Stanmore, Harrow, HA7 3LU

  PL/2417/25 Submitted 18 Sep 2025 0m away

  Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.90 metres high to the eaves

  Granted Prior approval Extension
  Small domestic

• 8 Masefield Avenue, Stanmore, Harrow, HA7 3LP

  P/2128/22 Submitted 6 Jun 2022 45m away

  CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; rear dormer with Juliette balcony; three rooflights in front roofslope

  Granted Lawful development Loft or dormer 13 docs

• 8 Masefield Avenue, Stanmore, Harrow, HA7 3LP

  P/2127/22 Submitted 6 Jun 2022 45m away

  Single storey rear extension; alterations to form flat roof on existing front extension; external alterations (demolition of conservatory)

  Granted Householder Extension Demolition 16 docs
  Small domestic

• 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