33 Northumberland Road, North Harrow, Harrow, HA2 7RA

1. 25 Feb 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 22 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.

• 15 Northumberland Road, North Harrow, Harrow, HA2 7RA

  PL/1385/24 Submitted 20 May 2024 0m away

  Single storey side extension; front porch; external alterations (demolition of shed)

  Granted Householder Extension Demolition
  Small domestic

• 47 Northumberland Road, North Harrow, Harrow, HA2 7RA

  PL/2981/25 Submitted 17 Nov 2025 0m away

  Single storey front extension incorporating porch; single and two storey side to rear extension; single storey rear extension; alterations to roof and existing rear dormer; external alterations; conversion of dwelling into two flats (1 x 2 beds & 1 x 3 beds); parking; separate amenity space; bin / cycle storage (demolition of detached garage and outbuildings)

  Refused Full applications New dwelling Extension +2
  Several homes

• The Microbiology Laboratory, 56 Northumberland Road, North Harrow, Harrow, HA2 7RE

  PL/3244/25 Submitted 15 Dec 2025 125m away

  Decision due ~9 Feb

  Front porch, Replacement window in front elevation, Alterations and extension to roof to form first floor, External alterations

  Status unknown Full applications Extension Windows or glazing
  Small domestic

• The Microbiology Laboratory, 56 Northumberland Road, North Harrow, Harrow, HA2 7RE

  PL/0598/26 Submitted 6 Mar 2026 125m away

  Decision due ~1 May

  Details pursuant to Conditions 6 (Cycle Stores) & 7 (Hard and Soft Landscaping) attached to planning permission PL/3244/25 dated 27/02/2026 for Front porch, Replacement window in front elevation, Alterations and extension to roof to form first floor, External alterations

  Status unknown Conditions Extension Windows or glazing
  Small domestic

• 8 Northumberland Road, Harrow, HA2 7RD

  P/687/04/DCP Submitted 16 Mar 2004 135m away

  Certificate of lawful proposed development: single storey rear conservatory.

  Granted Lawful development Extension
  Small domestic

• 6 Northumberland Road, Harrow, HA2 7RD

  P/2493/18/PRIOR Submitted 6 Jun 2018 135m away

  )Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres maximum height 2.9 Metres high to the eaves

  Decided Householder Extension 4 docs
  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)

  1 Jul 2026 Householder
• PL/1766/26 Status unknown

  17 Sandymount Avenue, Stanmore, Harrow, HA7 4UA

  Vehicle access

  29 Jun 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

  29 Jun 2026 Householder
• PL/1763/26 Status unknown

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

  Single storey rear extension

  29 Jun 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

  29 Jun 2026 Householder