57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP

This site has had 2 applications since 2018: 1 approved, 0 refused.

• P/0681/21/PRIOR Granted

  57 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP

  Single Storey Rear Extension: 6.00 metres deep, 3.60 metres maximum height, 3.00 metres high to the eaves

  Decided 30 Mar 2021 Prior approval

1. 30 Apr 2018

   Received by Harrow

2. 2 Sep 2026

   Added to PlanIndex

The applicant withdrew this application before Harrow decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.

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.

• Little Darling Childcare, 55 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP

  P/4689/21 Submitted 25 Nov 2021 0m away

  Use of ground floor of property as a nursery (Use Class E(f)) between the hours of 07:30-18:30 Monday to Friday and use of the entire property as C3 single family dwelling at all other times: Single storey outbuilding and installation of childrens play apparatus in rear garden (part retrospective)

  Granted Full applications 20 docs
  Small domestic

• 57 Sefton Avenue, Harrow, HA3 5JP

  P/0507/17 Submitted 2 Feb 2017 0m away

  Certificate of lawful development (proposed): alterations to roof to form end gable and rear dormer

  Granted Lawful development Loft or dormer 9 docs

• 69 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP

  PL/1113/26 Submitted 23 Apr 2026 0m away

  Decision due ~18 Jun

  Single storey rear extension with raised patio and steps; conversion of garage to habitable room with installation of window to front; external alterations

  Status unknown Householder Extension Windows or glazing
  Small domestic

• 57 Sefton Avenue, Harrow, HA3 5JP

  P/4354/17/PRIOR Submitted 20 Sep 2017 0m away

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

  Decided Householder Extension 4 docs
  Small domestic

• 51 Sefton Avenue, Harrow Weald, Harrow, HA3 5JP

  P/3716/22 Submitted 27 Oct 2022 0m away

  Single storey front, side and rear extension with access steps at rear (Demolition of attached garage at side and conservatory at rear)

  Granted Householder Extension Demolition 9 docs
  Small domestic

• 55 Sefton Avenue, Harrow, HA3 5JP

  P/0645/19 Submitted 11 Feb 2019 0m away

  Use of ground floor as d1 use (mon-frI between 7:30 and 18:30); single storey storage unit at rear; installation of climbing frame at rear (retrospective)

  Decided Full applications 14 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