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
Hayes Bridge Retail Park and Heathrow Interchange UXBRIDGE ROAD HAYES UB4 0RH
Last published check: 13 Oct 2026, 00:41. Check the council record for more recent changes.
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Council sourceApproval of Reserved Matters (Access, Appearance, Landscaping, Layout and Scale) pursuant to Condition 2 for Phase 2 (Innovation Hub) only, details pursuant to the partial discharge of Conditions 47 (i) (Phase 2: Innovation Hub - Contaminated Land), 53 (i) (Phase 2: Innovation Hub - Public Art) and details pursuant to the full discharge of Conditions 48 (Phase 2: Innovation Hub - Written Scheme of Investigation), 50 (Phase 2: Innovation Hub - Water Infrastructure Details), 59 (Phase 2: Innovation Hub - Biodiversity Net Gain), 64 (Phase 2: Innovation Hub - Generator and Fuel Technology), 65 (Phase 2: Innovation Hub - Selective Catalytic Reduction), 66 (Phase 2: Innovation Hub - Generator Operating Regime), 67 (Phase 2: Innovation Hub - Emission Reduction and Management Plan), 68 (Phase 2: Innovation Hub - Emissions Monitoring Plan) and 76 (Phase 2: Innovation Hub - Generator Emission Evidence) as attached to planning permission ref. 78343/APP/2025/719, dated 20-05-2026 (Hybrid planning application for a four-phased redevelopment to deliver a data centre campus comprising of: Phase 1 - Full planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) site access and internal roads including a vehicular and pedestrian link between Uxbridge Road and Bullsbrook Road; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development; Phase 2 - Outline planning permission for (a) an Innovation Hub; (b) hard and soft, green and blue, infrastructure; and (c) other ancillary and auxiliary forms of development (all matters reserved); Phase 3 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved); and Phase 4 - Outline planning permission for (a) a data centre building; (b) energy, power, and water infrastructure; (c) internal roads; (d) site security arrangements and security fencing; (e) hard and soft, green and blue, infrastructure; and (f) other ancillary and auxiliary forms of development (all matters reserved).) This is a subsequent application for development subject to an Environment Impact Assessment.
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| Document | Published | Action |
|---|---|---|
| Application Form redacted Application Form - Without Personal DataAPPLICATION FORM | 16 Jul 2026 | View |
| The location planLOCATION PLAN | 16 Jul 2026 | View |
| Proposed location plan Block plan of the siteLOCATION PLAN | 16 Jul 2026 | View |
| Existing site plan Site/Block Plan - ExistingEXISTING PLAN | 16 Jul 2026 | View |
| Proposed Ground Floor GA Floor planPROPOSED FLOOR PLANS | 16 Jul 2026 | View |
| Proposed First Floor GA Floor planPROPOSED FLOOR PLANS | 16 Jul 2026 | View |
| Proposed Second Floor GA Floor planPROPOSED FLOOR PLANS | 16 Jul 2026 | View |
| Proposed Third Floor GA Floor planPROPOSED FLOOR PLANS | 16 Jul 2026 | View |
| Proposed Ancillary Building GA Additional plansPROPOSED PLAN | 16 Jul 2026 | View |
| GA Exterior Elevations East / West Elevation (Side) - ProposedPROPOSED PLAN | 16 Jul 2026 | View |
| Proposed Bay Elevation and Section 1 Section - ProposedPROPOSED PLAN | 16 Jul 2026 | View |
| Proposed Bay Elevation and Section 2 Section - ProposedPROPOSED PLAN | 16 Jul 2026 | View |
| Proposed Bay Elevation and Section 3 Section - ProposedPROPOSED PLAN | 16 Jul 2026 | View |
| GA Exterior Elevations North / South Elevation (Front) - ProposedPROPOSED ELEVATIONS | 16 Jul 2026 | View |
| Proposed Site Context Elevations Elevation (Front) - ProposedPROPOSED ELEVATIONS | 16 Jul 2026 | View |
| Proposed Roof Plan Roof Plan - ProposedPROPOSED ROOF PLANS | 16 Jul 2026 | View |
| GA Building Sections, Sheet 1 of 2 Section - ProposedPROPOSED SECTIONS | 16 Jul 2026 | View |
| GA Building Sections, Sheet 2 of 2 Section - ProposedPROPOSED SECTIONS | 16 Jul 2026 | View |
| Proposed Site Context Sections Section - ProposedPROPOSED SECTIONS | 16 Jul 2026 | View |
| Landscape General Arrangement Landscaping detailsPLAN | 16 Jul 2026 | View |
| Landscape Softscape Arrangement Landscaping detailsPLAN | 16 Jul 2026 | View |
| Landscape Hardscape Arrangement Landscaping detailsPLAN | 16 Jul 2026 | View |
| Urban Greening Factor Landscaping detailsPLAN | 16 Jul 2026 | View |
| Site Plan Ground Floor Floor planPLAN | 16 Jul 2026 | View |
| Design and Access Statement part 1 Design and access statementDESIGN AND ACCESS STATEMENT | 16 Jul 2026 | View |
| Design and Access Statement part 2 Design and access statementDESIGN AND ACCESS STATEMENT | 16 Jul 2026 | View |
| Design and Access Statement part 3 Design and access statementDESIGN AND ACCESS STATEMENT | 16 Jul 2026 | View |
| Design and Access Statement part 4 Design and access statementDESIGN AND ACCESS STATEMENT | 16 Jul 2026 | View |
| Design and Access Statement part 5 Design and access statementDESIGN AND ACCESS STATEMENT | 16 Jul 2026 | View |
| Covering letterSUPPORTING INFORMATION | 16 Jul 2026 | View |
| London Plan Fire Safety Statement Fire StatementSUPPORTING INFORMATION | 16 Jul 2026 | View |
| Biodiversity Net Gain Assessment Biodiversity statementSUPPORTING INFORMATION | 16 Jul 2026 | View |
| Landscape Planting Schedule Landscaping detailsSUPPORTING INFORMATION | 16 Jul 2026 | View |
| Landscape Material Schedule Landscaping detailsSUPPORTING INFORMATION | 16 Jul 2026 | View |
| Travel Plan Travel planSUPPORTING INFORMATION | 16 Jul 2026 | View |
| Written scheme of investigation for an archaeological watching brief on ground remediation Issue 3 (Dated 2nd April 2026)SUPPORTING INFORMATION | 24 Jul 2026 | View |
| Written scheme of investigation for an archaeological watching brief on ground remediation Issue 3 (Dated 2nd April 2026)SUPPORTING INFORMATION | 24 Jul 2026 | View |
| ADVERTISEMENT NOTICEADVERTISEMENT NOTICE | 5 Aug 2026 | View |
| Air Quality Damage Cost Calculation Air quality assessmentAIR QUALITY REPORT | 16 Jul 2026 | View |
| Energy and Sustainability Statement Sustainability appraisalENERGY REPORT | 16 Jul 2026 | View |
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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.