12 St Leonards Avenue, Harrow, HA3 8EL

This site has had 3 applications since 2006: 2 approved, 0 refused.

• P/2334/07 Granted

  12 St Leonards Avenue, Harrow, HA3 8EL

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

  Decided 13 Sep 2007 Full applications
• P/2915/06 Granted

  12 St Leonards Avenue, Harrow, HA3 8EL

  Certificate of lawful proposed development: erection of single storey rear extensiion to semi-detached dwellin ghouse

  Decided 5 Mar 2007 Lawful development

1. 2 Apr 2007

   Received by Harrow

2. 12 Apr 2007

   Validated

   Checked as complete and ready for consideration.

3. 28 May 2007

   Decision issued: REF

4. 6 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 12 St Leonards Avenue, Harrow, HA3 8EL

  P/2915/06 Submitted 12 Oct 2006 0m away

  Certificate of lawful proposed development: erection of single storey rear extensiion to semi-detached dwellin ghouse

  Granted Lawful development 17 docs
  Small domestic

• 10 St Leonards Avenue, Kenton, Harrow, HA3 8EL

  P/0800/18 Submitted 27 Feb 2018 0m away

  Single storey front and two storey side to rear extension incorporating front porch; single storey rear extension; rear dormer; rooflight in front roofslope to create habitable roofspace (demolition of conservatory)

  Refused Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 8 St Leonards Avenue, Harrow, HA3 8EL

  EAST/899/02/FUL Submitted 12 Jul 2002 0m away

  Single storey rear extension

  Granted Full applications Extension
  Small domestic

• 12 St Leonards Avenue, Harrow, HA3 8EL

  P/2334/07 Submitted 19 Jul 2007 0m away

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

  Granted Full applications Extension Loft or dormer 26 docs
  Small domestic

• 20 Kingshill Avenue, Kenton, Harrow, HA3 8JP

  PL/0886/24 Submitted 27 Mar 2024 96m away

  Single storey rear extension; first floor rear extension; rear dormer; rooflights in front, side, and rear roof slopes; external alterations

  Granted Householder Extension Loft or dormer
  Small domestic

• 16 Kingshill Avenue, Kenton, Harrow, HA3 8JP

  P/0131/18 Submitted 11 Jan 2018 96m away

  Rear dormer to create habitable roofspace; three rooflights in front roofslope

  Refused Householder Loft or dormer 11 docs
  Domestic

• PL/1786/26 Status unknown

  23 Stuart Road, Wealdstone, Harrow, HA3 7RB

  Conversion of detached garage at rear to provide a single storey dwelling house ( 1 x 1 bed); Replace garage doors with door and window in front elevation; Replace door with window in side elevation; External alterations; Cycle and Refuse storage

  30 Jun 2026 Full applications
• PL/1784/26 Status unknown

  14 Treve Avenue, West Harrow, Harrow, HA1 4AJ

  Conversion of existing 6-bed 6-person HMO into 7-bed 8-person HMO with associated bin and cycle storage

  30 Jun 2026 Full applications
• PL/1777/26 Status unknown

  11 London Road, Harrow, HA1 3JJ

  Refurbishment and replacement of windows and door to the basement and ground floor front, side and rear elevations

  29 Jun 2026 Full applications
• PL/1743/26 Status unknown

  49 Kings Way, Harrow, HA1 1XT

  Single and two storey side extension; external alterations: Conversion of dwellinghouse (C3) into a 6 person HMO (C4); refuse / cycle storage (demolition of attached garage)

  25 Jun 2026 Full applications
• PL/1710/26 Status unknown

  4 Kenton Road, Kenton, Harrow, HA1 2BL

  Conversion of dwelling (C3) into house of multiple occupancy for up to 6 persons (Sui Generis)

  22 Jun 2026 Full applications