11 Old Hall Close, Pinner, Harrow, HA5 4ST

This site has had 2 applications since 2025.

• PL/3224/25 Status unknown

  11 Old Hall Close, Pinner, Harrow, HA5 4ST

  Demolition of existing dwelling ( part retrospective ) and construction of a replacement house using matching external materials; incorporating single and two storey front extension, single and two storey rear extension; first floor side extension; part conversion of garage to habitable room; rooflights in front and rear roof slopes; external alterations

  Submitted 11 Dec 2025 Full applications

1. 8 Aug 2025

   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.

• 6 Old Hall Close, Pinner, Harrow, HA5 4ST

  PL/0919/25 Submitted 8 Apr 2025 0m away

  TPO No. 16 St Thomas Drive (No.1) Pinner G2 Horse chestnut (rear garden): Reduce height by up to 2.5m and lateral spread on all sides by up to 2m, back to previous pruning points to finished crown dimensions of 13.5m height and 10m lateral spread T2 Cypress (rear r/h corner): In decline. Dismantle to near ground level

  Granted Trees

• 8 Old Hall Close, Pinner, Harrow, HA5 4ST

  PL/0927/25 Submitted 1 Apr 2025 0m away

  Certificate of Lawful Proposed Development: Detached outbuilding at rear for use as Storage

  Granted Lawful development

• 11 Old Hall Close, Pinner, Harrow, HA5 4ST

  PL/3224/25 Submitted 11 Dec 2025 0m away

  Decision due ~5 Feb

  Demolition of existing dwelling ( part retrospective ) and construction of a replacement house using matching external materials; incorporating single and two storey front extension, single and two storey rear extension; first floor side extension; part conversion of garage to habitable room; rooflights in front and rear roof slopes; external alterations

  Status unknown Full applications Extension Loft or dormer +1
  Domestic

• Hightrees, 8 Holly Grove, Pinner, HA5 4TA

  P/5426/16 Submitted 15 Nov 2016 93m away

  T6 beech (rear garden): decay at base (meripilus). Fell and replace *see below

  Granted Trees 8 docs

• The Hollies, 5 Holly Grove, Pinner, Harrow, HA5 4TA

  P/1313/21 Submitted 29 Mar 2021 93m away

  Single storey rear extension

  Granted Householder Extension 11 docs
  Small domestic

• Holly Lodge, 3 Holly Grove, Pinner, Harrow, HA5 4TA

  PL/2324/25 Submitted 5 Sep 2025 93m away

  Single storey rear extension; external alterations (Demolition of rear conservatory)

  Granted Householder Extension Demolition
  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