399 Pinner Road, North Harrow, Harrow, HA1 4HN

This site has had 2 applications since 2026.

• PL/0588/26 Status unknown

  399 Pinner Road, North Harrow, Harrow, HA1 4HN

  Single storey rear extension: 6.00 metres deep, 3.13 metres maximum height and 3.00 metres high to the eaves

  Submitted 5 Mar 2026 Prior approval

1. 21 May 2026

   Received by Harrow

2. 12 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 July 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.

• 373 Pinner Road, North Harrow, Harrow, HA1 4HN

  P/3837/22 Submitted 7 Nov 2022 50 yards away

  CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer with juliette balcony and insertion of three rooflights in front roofslope

  Granted Lawful development Loft or dormer 14 docs

• 401 Pinner Road, North Harrow, Harrow, HA1 4HN

  PL/1724/26 Submitted 24 Jun 2026 50 yards away

  Decision due ~19 Aug

  Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 3.00 metres high to the eaves

  Status unknown Prior approval Extension
  Small domestic

• 393 Pinner Road, North Harrow, Harrow, HA1 4HN

  PL/1481/26 Submitted 2 Jun 2026 50 yards away

  Decision due ~28 Jul

  Single storey rear extension; alteration to garage and side extension roof; conversion of garage to habitable room; external alterations

  Status unknown Householder Extension
  Small domestic

• 393 Pinner Road, North Harrow, Harrow, HA1 4HN

  PL/1480/26 Submitted 2 Jun 2026 50 yards away

  Decision due ~28 Jul

  Certificate of lawful development (proposed): Alterations to roof to form end gable and rear dormer; single storey outbuilding in rear garden

  Status unknown Lawful development Loft or dormer
  Small domestic

• 399 Pinner Road, North Harrow, Harrow, HA1 4HN

  PL/0588/26 Submitted 5 Mar 2026 50 yards away

  Decision due ~30 Apr

  Single storey rear extension: 6.00 metres deep, 3.13 metres maximum height and 3.00 metres high to the eaves

  Status unknown Prior approval Extension
  Small domestic

• 292 Pinner Road, Harrow, HA1 4JZ

  P/3344/06 Submitted 24 Nov 2006 100 yards away

  Conversion of dwellinghouse into 5 flats; first floor rear extension; enlarged rear dormer with juliet balcony

  Refused Full applications New dwelling Extension +1 15 docs
  Several homes

• 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