3 Heronslea Drive, Stanmore, Harrow, HA7 4QY

1. 11 Apr 2025

   Received by Harrow

2. 2 Sep 2026

   Added to PlanIndex

Harrow granted permission, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 10 Dalkeith Grove, Stanmore, Harrow, HA7 4SG

  PL/2984/25 Submitted 17 Nov 2025 45m away

  Decision due ~12 Jan

  Rear dormer with Juliet balcony; side dormer; alterations and extension to roof; one roof light in front and side roofslopes; external alterations

  Status unknown Householder Extension Loft or dormer
  Domestic

• 7 Dovercourt Gardens, Stanmore, HA7 4SJ

  EAST/1297/01/FUL Submitted 6 Dec 2001 58m away

  Single storey front & rear extensions & first floor side extension

  Granted Full applications Extension
  Small domestic

• 19 Dovercourt Gardens, Stanmore, HA7 4SJ

  EAST/763/01/FUL Submitted 18 Jul 2001 58m away

  Single storey rear extension

  Granted Full applications Extension
  Small domestic

• Orchard House, 13 Dovercourt Gardens, Stanmore, Harrow, HA7 4SJ

  P/0843/19 Submitted 22 Feb 2019 58m away

  Single and two storey side to rear extension; single storey rear extension; rear dormer; alterations to roof to increase ridge height; installation of rooflights to rear and both side roofslopes; front porch; external alterations

  Granted Householder Extension Loft or dormer +1 8 docs
  Small domestic

• 3 Dovercourt Gardens, Stanmore, Harrow, HA7 4SJ

  PL/0704/25 Submitted 20 Mar 2025 58m away

  Conversion of garage to habitable room, Replacement of garage door with window in front elevation, Single storey side to rear extension, Single and two storey side to rear extension, Alterations to roof to increase ridge height and form first floor side dormer, Roof lights in side and rear roof slopes, External alterations (Demolition of side to rear extension and first floor rear bay window)

  Granted Householder Extension Loft or dormer +3
  Small domestic

• 3 Dovercourt Gardens, Stanmore, Harrow, HA7 4SJ

  PL/0129/25 Submitted 17 Jan 2025 58m away

  Conversion of garage to habitable room, Replacement of garage door with window in front elevation, Single storey side to rear extension, Single and two storey side to rear extension, Alterations to roof to increase ridge height and form first and second floor side dormers, Roof lights in side and rear roof slopes, External alterations (Demolition of side to rear extension and first floor rear bay window)

  Refused Householder Extension Loft or dormer +3
  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