17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

This site has had 5 applications since 2025: 1 approved, 0 refused.

• PL/1615/26 Status unknown

  17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  Single storey front extension incorporating porch; single and two storey side and rear extensions; alterations to roof; rooflights in front, rear and both side roof slopes; external alterations (demolition of attached garage)

  Submitted 12 Jun 2026 Householder
• PL/0593/26 Status unknown

  17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  Single storey rear extension: 8.00 metres deep, 3.50 metres maximum height and 3.00 metres high to the eaves .

  Submitted 6 Mar 2026 Prior approval
• PL/0061/26 Status unknown

  17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  Single storey rear extension: 8.00 metres deep, 3.50 metres maximum height and 3.00 metres high to the eaves

  Submitted 12 Jan 2026 Prior approval
• PL/2999/25 Status unknown

  17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  Single storey rear extension: 8.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves

  Submitted 19 Nov 2025 Prior approval

1. 5 Dec 2025

   Received by Harrow

2. 12 Aug 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.

• 17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  PL/1615/26 Submitted 12 Jun 2026 50 yards away

  Decision due ~7 Aug

  Single storey front extension incorporating porch; single and two storey side and rear extensions; alterations to roof; rooflights in front, rear and both side roof slopes; external alterations (demolition of attached garage)

  Status unknown Householder Extension Loft or dormer +1
  Small domestic

• 17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  PL/2999/25 Submitted 19 Nov 2025 50 yards away

  Decision due ~14 Jan

  Single storey rear extension: 8.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves

  Status unknown Prior approval Extension
  Small domestic

• 17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  PL/0061/26 Submitted 12 Jan 2026 50 yards away

  Decision due ~9 Mar

  Single storey rear extension: 8.00 metres deep, 3.50 metres maximum height and 3.00 metres high to the eaves

  Status unknown Prior approval Extension
  Small domestic

• 17 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PJ

  PL/0593/26 Submitted 6 Mar 2026 50 yards away

  Decision due ~1 May

  Single storey rear extension: 8.00 metres deep, 3.50 metres maximum height and 3.00 metres high to the eaves .

  Status unknown Prior approval Extension
  Small domestic

• 8 Grimsdyke Road, Hatch End, Pinner, Harrow, HA5 4PH

  PL/0759/26 Submitted 19 Mar 2026 100 yards away

  Decision due ~14 May

  Certificate of Lawful Proposed Development: 1.8m brick and wood fence to side

  Status unknown Lawful development
  Small domestic

• 11 Hallam Gardens, Hatch End, Pinner, Harrow, HA5 4PT

  PL/2927/25 Submitted 11 Nov 2025 150 yards away

  Decision due ~6 Jan

  Details pursuant to Condition 7a, b & c (Written Scheme of Investigation) attached to planning permission PL/2037/25 dated 05/11/2025 for Single storey rear extension; installation of two windows to ground floor side elevation; conversion of garage to habitable room; external alterations (demolition of conservatory)

  Status unknown Conditions Extension Demolition +1
  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

  Received 29 Jun, published by the council 12 Aug 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

  Received 29 Jun, published by the council 12 Aug 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

  Received 24 Jun, published by the council 12 Aug 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)

  Received 22 Jun, published by the council 12 Aug 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

  Received 22 Jun, published by the council 12 Aug 2026 Lawful development