27 Courtfield Avenue, Harrow, HA1 2JX

This site has had 3 applications since 2026.

• PL/1323/26 Status unknown

  27 Courtfield Avenue, Harrow, HA1 2JX

  Single and two storey rear extension; Alterations and extension to roof to form end gable and rear dormer with Juliette balcony; Two roof lights in front roof slope; Window in gable end (Demolition of rear extension)

  Submitted 13 May 2026 Householder
• PL/0309/26 Status unknown

  27 Courtfield Avenue, Harrow, HA1 2JX

  Single storey rear extension: 6.00 metres deep, 3.35 metres maximum height and 3.00 metres high to the eaves

  Submitted 4 Feb 2026 Prior approval

1. 9 Feb 2026

   Received by Harrow

2. 2 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 April 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.

• 12 Courtfield Avenue, Harrow, HA1 2JX

  P/0484/08DFU Submitted 4 Feb 2008 0m away

  Single-storey rear extension (conservatory) to ground floor flat

  Granted Full applications Extension 14 docs
  Small domestic

• 27 Courtfield Avenue, Harrow, HA1 2JX

  PL/1323/26 Submitted 13 May 2026 0m away

  Decision due ~8 Jul

  Single and two storey rear extension; Alterations and extension to roof to form end gable and rear dormer with Juliette balcony; Two roof lights in front roof slope; Window in gable end (Demolition of rear extension)

  Status unknown Householder Extension Loft or dormer +2
  Domestic

• 16 Courtfield Avenue, Harrow, HA1 2JX

  P/2806/07 Submitted 23 Aug 2007 0m away

  Alterations to roof to form end gable & rear dormer; front porch; external alterations.

  Granted Full applications Extension Loft or dormer 42 docs
  Small domestic

• 27 Courtfield Avenue, Harrow, HA1 2JX

  PL/0309/26 Submitted 4 Feb 2026 0m away

  Decision due ~1 Apr

  Single storey rear extension: 6.00 metres deep, 3.35 metres maximum height and 3.00 metres high to the eaves

  Status unknown Prior approval Extension
  Small domestic

• 46 Courtfield Avenue, Harrow, HA1 2JX

  P/0883/07 Submitted 22 Mar 2007 0m away

  Single storey side to rear extension

  Granted Full applications Extension 18 docs
  Small domestic

• 42 Courtfield Avenue, Harrow, HA1 2JX

  P/689/06/DCO/3535 Submitted 27 Oct 2006 0m away

  Retention of solar collector

  Decided 1 doc

• 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

  29 Jun 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

  29 Jun 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

  24 Jun 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)

  22 Jun 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

  22 Jun 2026 Lawful development