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/0281/23 Granted

  21 Walton Road, Harrow, HA1 4UX

  Single storey rear extension; external alterations (demolition of rear extension)

  Decided 22 Mar 2023 Householder
• 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. 1 Feb 2023

   Validated

   Checked as complete and ready for consideration.

3. 21 Mar 2023

   Decision issued: Grant

4. 2 Aug 2026

   Added to PlanIndex

Harrow granted permission on 21 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. 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/1761/26 Status unknown

  1 Middle Road, Harrow On The Hill, Harrow, HA2 0HW

  Certificate of lawful development (proposed): Replacement of ground floor front bay window

  29 Jun 2026 Lawful development
• PL/1772/26 Status unknown

  114 Somervell Road, South Harrow, Harrow, HA2 8TT

  Certificate of Lawful Proposed Development: Demolition and replacement of first floor level and roof

  29 Jun 2026 Lawful development
• PL/1735/26 Status unknown

  222 Malvern Avenue, South Harrow, Harrow, HA2 9HE

  Certificate of lawful development (proposed): Rear dormer; installation of rooflight in front roofslope

  24 Jun 2026 Lawful development
• PL/1716/26 Status unknown

  59 Leamington Crescent, South Harrow, Harrow, HA2 9HH

  Certificate of Lawful Development (Proposed): Garden room with garden tools storage at rear (demolition of detached garage)

  22 Jun 2026 Lawful development
• PL/1696/26 Status unknown

  31 Chandos Road, Harrow, HA1 4QX

  Certificate of Lawful Development (Proposed): Alterations and extension to roof to form end gable; rear dormer; two rooflights in front roof slope; window in end gable

  22 Jun 2026 Lawful development