20 St Michael's Crescent, Rayners Lane, Pinner, Harrow, HA5 5LG

1. 2 Sep 2024

   Received by Harrow

2. 2 Sep 2026

   Added to PlanIndex

Harrow refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 42 St Michael's Crescent, Rayners Lane, Pinner, Harrow, HA5 5LG

  PL/0146/26 Submitted 20 Jan 2026 0m away

  Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope

  Granted Lawful development Extension Loft or dormer

• 42 St Michael's Crescent, Rayners Lane, Pinner, Harrow, HA5 5LG

  PL/0147/26 Submitted 20 Jan 2026 0m away

  Decision due ~17 Mar

  Single storey front extension incorporating front porch; conversion of garage to habitable room; single storey side to rear extension

  Status unknown Householder Extension
  Small domestic

• 37 St Michael's Crescent, Rayners Lane, Pinner, Harrow, HA5 5LE

  PL/2701/25 Submitted 20 Oct 2025 38m away

  Single storey front extension incorporating front porch; single storey side to rear extension (Demolition of garage and rear bay window)

  Granted Householder Extension Demolition +1
  Small domestic

• 39 St Michael's Crescent, Rayners Lane, Pinner, Harrow, HA5 5LE

  P/3196/18 Submitted 18 Jul 2018 38m away

  CERTIFICATE OF LAWFUL PROPOSED DEVELOPMENT: Alterations to roof to form end gable; rear dormer with Juliette balcony; two rooflights in front roofslope; window in end gable

  Granted Lawful development Loft or dormer Windows or glazing 9 docs

• 37 St Michael's Crescent, Rayners Lane, Pinner, Harrow, HA5 5LE

  PL/2170/25 Submitted 18 Aug 2025 38m away

  Single storey front extension incorporating porch, Single-storey side to rear extension (Demolition of attached garage and ground-floor rear bay window)

  Refused Householder Extension Demolition +1
  Small domestic

• 4 Dewsbury Close, Pinner, Harrow, HA5 5JG

  PL/1297/26 Submitted 11 May 2026 68m away

  Decision due ~6 Jul

  Single storey front, side and rear extensions; raised patio area at rear with associated steps and privacy screens

  Status unknown Householder Extension
  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

  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