14 College Avenue, Harrow, HA3 6HD

This site has had 3 applications since 2017: 1 approved, 0 refused.

• P/1436/18 Granted

  14 College Avenue, Harrow, HA3 6HD

  Certificate of lawful development (proposed): alterations to roof to form gable end and rear dormer; installation of two rooflights in front roofslope; single storey side extension and two storey rear extension

  Decided 30 May 2018 Lawful development
• P/4961/17/PRIOR Decided

  14 College Avenue, Harrow, HA3 6HD

  Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres maximum height 2.7 Metres high to the eaves

  Decided 12 Dec 2017 Householder

1. 23 Oct 2017

   Received by Harrow

2. 7 Nov 2017

   Validated

   Checked as complete and ready for consideration.

3. 19 Dec 2017

   Decision issued: REF

4. 23 Sep 2026

   Added to PlanIndex

Harrow has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 College Avenue, Harrow, HA3 6HD

  P/183/03/DFU Submitted 27 Jan 2003 50 yards away

  Two storey side to rear and single storey rear extension rear dormer window

  Decided Full applications Extension Loft or dormer +1
  Small domestic

• 10 College Avenue, Harrow, HA3 6HD

  P/1564/06 Submitted 8 Jun 2006 50 yards away

  Two storey side and single and two storey rear extensions and rear dormer

  Granted Full applications Extension Loft or dormer 19 docs

• 14 College Avenue, Harrow, HA3 6HD

  P/1436/18 Submitted 4 Apr 2018 50 yards away

  Certificate of lawful development (proposed): alterations to roof to form gable end and rear dormer; installation of two rooflights in front roofslope; single storey side extension and two storey rear extension

  Granted Lawful development Extension Loft or dormer 5 docs
  Small domestic

• 14 College Avenue, Harrow Weald, Harrow, HA3 6HD

  P/0364/18/PRIOR Submitted 25 Jan 2018 50 yards away

  Single Storey Rear Extension: extending 5.73 metres beyond the original rear wall, 3 metres maximum height, 2.7 metres high to the eaves

  Granted Prior approval Extension 3 docs
  Small domestic

• 14 College Avenue, Harrow Weald, Harrow, HA3 6HD

  P/0237/18 Submitted 17 Jan 2018 50 yards away

  Certificate of lawful development (proposed): Alterations to roof to form gable end and rear dormer; installation of two rooflights in front roofslope; Single storey side extension; single and two storey rear extension; single storey rear extension

  Withdrawn Lawful development Extension Loft or dormer 3 docs
  Small domestic

• 14 College Avenue, Harrow, HA3 6HD

  P/4961/17/PRIOR Submitted 31 Oct 2017 50 yards away

  Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres maximum height 2.7 Metres high to the eaves

  Decided Householder Extension 10 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