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/1179/26 Status unknown

  9 Masefield Avenue, Stanmore, Harrow, HA7 3LU

  Two storey rear extension; Alterations to roof to form rear dormer; Roof lights in front roof slope; External alterations

  Submitted 30 Apr 2026 Householder

1. 15 Mar 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 10 May 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

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

  PL/1179/26 Submitted 30 Apr 2026 0m away

  Decision due ~25 Jun

  Two storey rear extension; Alterations to roof to form rear dormer; Roof lights in front roof slope; External alterations

  Status unknown Householder Extension Loft or dormer
  Domestic

• 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/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/1761/26 Status unknown

  1 Middle Road, Harrow On The Hill, Harrow, HA2 0HW

  Certificate of lawful development (proposed): Replacement of ground floor front bay window

  29 Jun 2026 Lawful development
• PL/1772/26 Status unknown

  114 Somervell Road, South Harrow, Harrow, HA2 8TT

  Certificate of Lawful Proposed Development: Demolition and replacement of first floor level and roof

  29 Jun 2026 Lawful development
• PL/1735/26 Status unknown

  222 Malvern Avenue, South Harrow, Harrow, HA2 9HE

  Certificate of lawful development (proposed): Rear dormer; installation of rooflight in front roofslope

  24 Jun 2026 Lawful development
• PL/1716/26 Status unknown

  59 Leamington Crescent, South Harrow, Harrow, HA2 9HH

  Certificate of Lawful Development (Proposed): Garden room with garden tools storage at rear (demolition of detached garage)

  22 Jun 2026 Lawful development
• PL/1696/26 Status unknown

  31 Chandos Road, Harrow, HA1 4QX

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

  22 Jun 2026 Lawful development