26 Doncaster Gardens, Northolt, Harrow, UB5 4BN

1. 6 Apr 2021

   Received by Harrow

2. 30 Apr 2021

   Validated

   Checked as complete and ready for consideration.

3. 1 Jun 2021

   Decision issued: Grant

4. 2 Sep 2026

   Added to PlanIndex

Harrow granted permission on 1 June 2021, 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.

• 20 Martin Drive, Northolt, UB5 4BG

  P/72/06/DFU Submitted 10 Jan 2006 100 yards away

  Alterations single storey rear extension and conversion to two self-contained flats

  Granted Full applications New dwelling Extension 28 docs
  Small domestic

• 10 Martin Drive, Northolt, UB5 4BG

  P/1210/18 Submitted 22 Mar 2018 100 yards away

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

  Granted Lawful development Extension 9 docs
  Small domestic

• 10 Martin Drive, Northolt, Harrow, UB5 4BG

  P/0512/18 Submitted 6 Feb 2018 100 yards away

  CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: Single storey rear extension

  Withdrawn Lawful development Extension 5 docs
  Small domestic

• 10 Martin Drive, Northolt, UB5 4BG

  P/5083/17/PRIOR Submitted 8 Nov 2017 100 yards away

  Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres maximum height 3 metres high to the eaves

  Granted Householder Extension 16 docs
  Small domestic

• 10 Martin Drive, Northolt, UB5 4BG

  P/4085/17 Submitted 4 Sep 2017 100 yards away

  Single storey rear extension (demolition of outbuilding)

  Withdrawn Householder Extension Demolition 16 docs
  Small domestic

• 9 Mallet Drive, Northolt, Harrow, UB5 4BE

  PL/0969/25 Submitted 7 Apr 2025 100 yards away

  Certificate of Lawful Proposed Development: Alterations to roof to form rear dormer; installation of two roof lights in front roof slope.

  Granted Lawful development Loft or dormer

• 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