21b South Hill Avenue, Harrow, HA2 0NN

This site has had 2 applications since 2026.

• PL/1435/26 Status unknown

  21B South Hill Avenue, Harrow, HA2 0NN

  Single storey front extension; replacement of existing flat roof with a pitched roof; external alterations; access, parking and landscaping

  Submitted 23 May 2026 Full applications

1. 23 Feb 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 20 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 21B South Hill Avenue, Harrow, HA2 0NN

  PL/1435/26 Submitted 23 May 2026 50 yards away

  Decision due ~18 Jul

  Single storey front extension; replacement of existing flat roof with a pitched roof; external alterations; access, parking and landscaping

  Status unknown Full applications Extension
  Small domestic

• 72 South Hill Avenue, South Harrow, Harrow, HA2 0NH

  P/2765/21 Submitted 5 Jul 2021 50 yards away

  Single storey rear extension

  Granted Householder Extension 13 docs
  Small domestic

• 66 South Hill Avenue, South Harrow, Harrow, HA2 0NH

  P/2594/20 Submitted 28 Jul 2020 50 yards away

  Single storey front, side and rear extension incorporating front porch; re-location of main entrance; external alterations

  Granted Householder Extension 14 docs
  Small domestic

• 4 Sackville Close, South Harrow, Harrow, HA2 0NJ

  PL/0403/26 Submitted 13 Feb 2026 100 yards away

  Decision due ~10 Apr

  Single storey rear extension

  Status unknown Householder Extension
  Small domestic

• Eagle House, 67 Brooke Avenue, South Harrow, Harrow, HA2 0ND

  PL/0211/24 Submitted 29 Jan 2024 100 yards away

  Conversion of garage into habitable room; first floor side extension; external alterations

  Granted Householder Extension
  Domestic

• ROSE VILLA, 24 South Hill Avenue, South Harrow, Harrow, HA2 0NQ

  PL/0833/25 Submitted 26 Mar 2025 150 yards away

  Certificate of Lawful Development (Proposed): Alterations to roof; rear dormer; two rooflights in front roof slope; single storey rear extension (demolition of rear canopy)

  Granted Lawful development Extension Loft or dormer +1
  Small domestic

• PL/1791/26 Status unknown

  MELTON HOUSE Sudbury Hill, Sudbury, Harrow, HA1 3ND

  Single storey rear glazed extension; single storey side extension; installation of additional windows to front elevation at first floor level; external alterations (demolition of conservatory)

  Received 1 Jul, published by the council 12 Aug 2026 Householder
• PL/1766/26 Status unknown

  17 Sandymount Avenue, Stanmore, Harrow, HA7 4UA

  Vehicle access

  Received 29 Jun, published by the council 12 Aug 2026 Householder
• PL/1764/26 Status unknown

  9A Elmwood Avenue, Kenton, Harrow, HA3 8AJ

  Two storey rear extension at lower ground floor and ground floor level

  Received 29 Jun, published by the council 12 Aug 2026 Householder
• PL/1763/26 Status unknown

  160 Welbeck Road, West Harrow, Harrow, HA2 0RX

  Single storey rear extension

  Received 29 Jun, published by the council 12 Aug 2026 Householder
• PL/1760/26 Status unknown

  23 Sancroft Road, Wealdstone, Harrow, HA3 7NX

  Single storey front extension incorporating porch; single and two storey side to rear extension; single storey rear extension; rooflight in front roof slope; external alterations

  Received 29 Jun, published by the council 12 Aug 2026 Householder