Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Council planning record
143 LONG LANE HILLINGDON
Council milestones and published deadlines. A deadline passing does not confirm a decision.
A published target or deadline. It does not confirm an outcome.
Council sourceA published target or deadline. It does not confirm an outcome.
Council sourceRetention of the part single, part double storey side extensions, single storey rear extension and canopy structure, installation of rooflights, amendments to fenestrations, roof alterations and air conditioning unit (Retrospective application) (amended description)
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| Document | Published | Action |
|---|---|---|
| ApplicationFormRedacted Application Form - Without Personal DataAPPLICATION FORM | 17 Feb 2026 | View |
| 143/P/A Site Location PlanLOCATION PLAN | 17 Feb 2026 | View |
| 143 Long Lane - Photos Photographs and photomontagesPHOTOGRAPHS (Supporting info) | 17 Feb 2026 | View |
| 143 /P/D Existing Floor Plan (as built)EXISTING FLOOR PLANS | 17 Feb 2026 | View |
| 143/P/J Pre-Existing ElevationsEXISTING PLAN AMENDED | 17 Mar 2026 | View |
| 143/P/H Pre-Existing Floor PlansEXISTING PLAN AMENDED | 17 Mar 2026 | View |
| 143/P/I Pre-Existing Roof PlanEXISTING PLAN AMENDED | 17 Mar 2026 | View |
| 143 /P/F Rev A REVISED as-built elevationsEXISTING PLAN AMENDED | 1 Jun 2026 | View |
| 143 /P/K Rev B REVISED as built loft plan and sectionEXISTING PLAN AMENDED | 1 Jun 2026 | View |
| 143 /P/E Rev B REVISED as-built roof planEXISTING PLAN AMENDED | 1 Jun 2026 | View |
| 143 /P/F SUPERSEDED As Built ElevationsEXISTING ELEVATIONS | 17 Feb 2026 | View |
| 143 /P/E SUPERSEDED As-Built Roof PlanEXISTING ROOF PLANS | 17 Feb 2026 | View |
| 143/P/K Rev A SUPERSEDED As built loft plan and sectionPLAN | 7 May 2026 | View |
| DECISION NOTICEDECISION NOTICE | 5 Jun 2026 | View |
| OFFICERS REPORTSOFFICERS REPORTS | 5 Jun 2026 | View |
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Understanding planning · 13 min read
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Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.
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Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.