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

1. 19 Mar 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 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.

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

  PL/1615/26 Submitted 12 Jun 2026 100 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 100 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/3161/25 Submitted 5 Dec 2025 100 yards away

  Certificate of Lawful Proposed Development: Side porch, Two storey rear extension, Alterations and extension to roof to form end gables and rear dormer, Roof light in front roof slope and garage roof slope (Demolition of rear extension)

  Granted Lawful development Extension Loft or dormer +1
  Small domestic

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

  PL/0061/26 Submitted 12 Jan 2026 100 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 100 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

• Pizzaexpress, 246 - 248 Uxbridge Road, Hatch End, Pinner, Harrow, HA5 4HS

  P/4967/21 Submitted 21 Dec 2021 150 yards away

  Single storey rear extension

  Withdrawn Full applications Extension 19 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

  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