21 Walton Road, Harrow, HA1 4UX

This site has had 10 applications since 2022: 3 approved, 6 refused.

• PL/1244/26 Status unknown

  21 Walton Road, Harrow, HA1 4UX

  Change of use from HMO (C4) to Residential Family Assessment Centre (C2)

  Submitted 5 May 2026 Full applications
• P/0273/23 Granted

  21 Walton Road, Harrow, HA1 4UX

  CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension; outbuilding at rear (demolition of rear extension)

  Decided 21 Mar 2023 Lawful development
• P/3528/22/PRIOR Refused

  21 Walton Road, Harrow, HA1 4UX

  Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metres high to the eaves

  Decided 18 Nov 2022 Prior approval
• P/3526/22/PRIOR Refused

  21 Walton Road, Harrow, HA1 4UX

  Single storey rear extension: 4.50 metres deep, 3.00 metres maximum height and 2.32 metres high to the eaves

  Decided 18 Nov 2022 Prior approval
• P/3527/22/PRIOR Refused

  21 Walton Road, Harrow, HA1 4UX

  Single storey rear extension: 5.50 metres deep, 3.00 metres maximum height and 2.32 metres high to the eaves

  Decided 18 Nov 2022 Prior approval
• P/2959/22/PRIOR Refused

  21 Walton Road, Harrow, HA1 4UX

  Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 2.50 metres high to the eaves

  Decided 23 Sep 2022 Prior approval
• P/2891/22/PRIOR Refused

  21 Walton Road, Harrow, HA1 4UX

  Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 2.50 metres high to the eaves

  Decided 16 Sep 2022 Prior approval
• P/2278/22/PRIOR Refused

  21 Walton Road, Harrow, HA1 4UX

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

  Decided 27 Jul 2022 Prior approval
• P/2276/22 Granted

  21 Walton Road, Harrow, HA1 4UX

  CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof; rear dormer; three rooflights in front roofslope

  Decided 10 Aug 2022 Lawful development

1. 26 Jan 2023

   Received by Harrow

2. 31 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 22 Mar 2023

   Decision issued: Grant

4. 2 Aug 2026

   Added to PlanIndex

Harrow granted permission on 22 March 2023, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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.

• 21 Walton Road, Harrow, HA1 4UX

  PL/1244/26 Submitted 5 May 2026 0m away

  Decision due ~30 Jun

  Change of use from HMO (C4) to Residential Family Assessment Centre (C2)

  Status unknown Full applications

• 7 Walton Road, Harrow, HA1 4UX

  P/5386/18 Submitted 4 Dec 2018 0m away

  Certificate Of Lawful Development (Proposed): Single Storey Rear Extension (Following established prior approval for application P/4324/18/PRIOR)

  Granted Lawful development Extension 8 docs
  Small domestic

• 17 Walton Road, Harrow, HA1 4UX

  P/0958/07 Submitted 30 Mar 2007 0m away

  Demolition of existing attached shed and conservatory and erection of single storey rear extension to end terrace dwellinghouse

  Granted Lawful development Extension Demolition 14 docs
  Small domestic

• 7 Walton Road, Harrow, HA1 4UX

  P/4324/18/PRIOR Submitted 25 Sep 2018 0m away

  Single storey rear extension extending 6 metres beyond the original rear wall 3.4 Metres maximum height 3 metres high to the eaves

  Decided Householder Extension 5 docs
  Small domestic

• 27 Walton Road, Harrow, HA1 4UX

  HA\2006\ENQ\01059 Submitted 21 Sep 2006 0m away

  Porch extension outside of permitted development

  Withdrawn Outline Extension
  Small domestic

• 7 Walton Road, Harrow, HA1 4UX

  P/2165/06 Submitted 31 Jul 2006 0m away

  Single storey rear extension

  Granted Full applications Extension 12 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