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
261 LONG LANE HILLINGDON
Last published check: 29 Sept 2026, 20:49. Check the council record for more recent changes.
261 LONG LANE HILLINGDON
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Erection of a part single part two storey side extension. Conversion of roof space to habitable use to include two side dormers and 2 front roof lights.
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Sign in to view collected details| Document | Published | Action |
|---|---|---|
| Application Form - Without Personal DataAPPLICATION FORM | 15 Mar 2024 | View |
| 21/3445/1 The location planLOCATION PLAN | 15 Mar 2024 | View |
| 21/3445/403 Proposed site planSITE LAYOUT - PROPOSED | 15 Mar 2024 | View |
| 21/3445/4 Existing GF & FF planEXISTING FLOOR PLANS | 15 Mar 2024 | View |
| 21/3445/5 Existing ElevationsEXISTING ELEVATIONS | 15 Mar 2024 | View |
| 21/3445/406 Proposed GF, FF & loft PlanPROPOSED FLOOR PLANS | 15 Mar 2024 | View |
| 21/3445/407 Proposed ElevationsPROPOSED ELEVATIONS | 15 Mar 2024 | View |
| Reasonable Exception Statement Other relevant informationSUPPORTING INFORMATION | 15 Mar 2024 | View |
| APPEAL DECISIONAPPEAL DECISION | 25 Apr 2024 | View |
| tree survey appendix K Additional plansSUSTAINABILITY REPORT | 15 Mar 2024 | View |
| TREE SURVEY ARBORICULTURAL IMPACT ASSESSMENT Tree surveyTREE/LANDSCAPING REPORT | 15 Mar 2024 | View |
| DECISION NOTICEDECISION NOTICE | 8 May 2024 | View |
| OFFICERS REPORTSOFFICERS REPORTS | 8 May 2024 | View |
Documents open on the council website. Browse council documents if a link has changed.
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 sourceConditions aren’t listed here. Read the council decision notice for the full decision and conditions.
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Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Understanding planning · 13 min read
Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.
Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.