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
Harwell Science and Innovation Campus, North of Thomson Avenue, Didcot, OX11 0QG
Last published check: 11 Oct 2026, 04:51. Check the council record for more recent changes.
Council milestones and published deadlines. A deadline passing does not confirm a decision.
Erection of an employment building for office use with associated landscaping and car parking. (As amended by plans and documentation received 17 February, 24 February 2023 and 6 April 2023).
Sign in to view all collected council fields and recorded changes.
Sign in to view collected detailsHarwell Science and Innovation Campus, North of Thomson Avenue, Didcot, OX11 0QG
This record has no verified map location.
| Document | Published | Action |
|---|---|---|
| Application FormApplication Form | Not published | View |
| Travel Plan April 2023Other Plans/Information | Not published | View |
| Construction Traffic Environmental Management Plan Rev 4Other Plans/Information | Not published | View |
| 2023-04-06 Amendments cover letterOther Plans/Information | Not published | View |
| Receipt of funds received P22 V1787 FULOther Plans/Information | Not published | View |
| Transport Assessment April 2023Other Plans/Information | Not published | View |
| Screening Opinion letter 12082022101050Other Plans/Information | Not published | View |
| Screening Opinion EIA Proforma 12082022101050Other Plans/Information | Not published | View |
| Proposed Site Clearance Plan drwgno 13025 118AOther Plans/Information | Not published | View |
| Proposed Levels Plan drwgno 13025 101FOther Plans/Information | Not published | View |
| External Lighting Layout drwgno 2569-QODA-00-SI-DR-E-0501 Rev TOther Plans/Information | Not published | View |
| Site Plan Showing Soakaway TestsOther Plans/Information | Not published | View |
| Proposed Drainage Plan drwgno 13025 103JOther Plans/Information | Not published | View |
| Soft Landscape Plan drwgno JSL3111 300 FOther Plans/Information | Not published | View |
| Landscape Strategy drwgno JSL3111 100 JOther Plans/Information | Not published | View |
| Soakaway TestsOther Plans/Information | Not published | View |
| Proposed External Works drwgno 13025 104HOther Plans/Information | Not published | View |
| Landscape & Lighting NoteOther Plans/Information | Not published | View |
| Proposed External Works Construction Details drwgno 13025 105BOther Plans/Information | Not published | View |
| Proposed Cut and Fill drwgno 13025 100DOther Plans/Information | Not published | View |
| Hard Landscape Plan drwgno JSL3111 200 EOther Plans/Information | Not published | View |
| Proposed Drainage Construction Details drwgno 13025 102BOther Plans/Information | Not published | View |
| Existing Drainage Plan drwgno 13025 120Other Plans/Information | Not published | View |
| Storm Calculations with FEH Data 0.95 CV valueOther Plans/Information | Not published | View |
| Storm Calculations with FEH Data 0.9 CV valueOther Plans/Information | Not published | View |
| Flood Risk Assessment - Rev DOther Plans/Information | Not published | View |
| Site Location Plan drwgno 001213-ADP-00-XX-DR-A-1001 Rev S3-P-5Other Plans/Information | Not published | View |
| Ecology and Biodiversity NoteOther Plans/Information | Not published | View |
| 2023-02-17 Amendments Cover LetterOther Plans/Information | Not published | View |
| Site Layout Proposed drwgno 001213-ADP-00-XX-DR-A-1003 Rev S2-P-4Other Plans/Information | Not published | View |
| Site Block Plan drwgno 001213-ADP-00-XX-DR-A-1004 Rev S2-P-4Other Plans/Information | Not published | View |
| Remediation Method Statement ref 252176-R13 (00)Other Plans/Information | Not published | View |
| SUPERSEDED 2569-QODA-00-00-DR-E-0901 P01 - External Lighting LayoutGeneral Plan | Not published | View |
| 2569-QODA-00-SI-DR-ME-0901 P01 - External Servises Site PlanGeneral Plan | Not published | View |
| 13025 SK112 - Refuse and Fire TrackingGeneral Plan | Not published | View |
| SUPERSEDED 13025 105 - External Works Construction DetailsGeneral Plan | Not published | View |
| SUPERSEDED 13025 103B - Drainage PlanGeneral Plan | Not published | View |
| SUPERSEDED JSL3111 300 C - Soft Landscape StrategyGeneral Plan | Not published | View |
| SUPERSEDED JSL3111 200 C - Hard Landscape PlanGeneral Plan | Not published | View |
| SUPERSEDED 13025 100 - Cut and FillGeneral Plan | Not published | View |
| SUPERSEDED 13025 104B - External WorksGeneral Plan | Not published | View |
| JSL3111 710 B - Tree Protection & Removal PlanGeneral Plan | Not published | View |
| SUPERSEDED 13025 102 - Drainage Construction DetailsGeneral Plan | Not published | View |
| SUPERSEDED 13025 101A - Levels PlanGeneral Plan | Not published | View |
| JSL3111 100E - Landscape StrategyGeneral Plan | Not published | View |
| JSL3111 001B - Contextual Landscape SettingGeneral Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1010 - Elevations - Site - Sheet 2General Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1012 - Elevations - Building - Sheet 2General Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1011 - Elevations - Building- Sheet 1General Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1002 - Site Layout - ExistingGeneral Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1009 - Elevations - Site - Sheet 1General Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1005 - Ground Floor PlanGeneral Plan | Not published | View |
| SUPERSEDED 001213-ADP-00-XX-DR-A-1001 - Site Location PlanGeneral Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1008 - Roof PlanGeneral Plan | Not published | View |
| SUPERSEDED 001213-ADP-00-XX-DR-A-1003 - Site Layout - ProposedGeneral Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1007 - Second Floor PlanGeneral Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1013 - Sections - BuildingGeneral Plan | Not published | View |
| 001213-ADP-00-XX-DR-A-1006 - First Floor PlanGeneral Plan | Not published | View |
| SUPERSEDED 001213-ADP-00-XX-DR-A-1004 - Site Block PlanGeneral Plan | Not published | View |
| SUPERSEDED Construction Traffic Environmental Management PlanSupporting documentation | Not published | View |
| Flood Risk Assessment - Rev CSupporting documentation | Not published | View |
| Planning StatementSupporting documentation | Not published | View |
| Tree Survey & Arboricultiral Impact AssessmentSupporting documentation | Not published | View |
| Biodiversity Net Gain AssessmentSupporting documentation | Not published | View |
| SUPERSEDED Travel Plan - Part 2 of 2Supporting documentation | Not published | View |
| SUPERSEDED Travel Plan - Part 1 of 2Supporting documentation | Not published | View |
| Preliminary Ecological AppraisalSupporting documentation | Not published | View |
| SUPERSEDED Transport AssessmentSupporting documentation | Not published | View |
| Design & Access Statement - Part 5Supporting documentation | Not published | View |
| Design & Access Statement - Part 3Supporting documentation | Not published | View |
| Design & Access Statement - Part 4Supporting documentation | Not published | View |
| Design & Access Statement - Part 1Supporting documentation | Not published | View |
| Design & Access Statement - Part 2Supporting documentation | Not published | View |
| Design & Access Statement - Part 6Supporting documentation | Not published | View |
| Obstructions Investigation Part 2Supporting documentation | Not published | View |
| Obstructions Investigation Part 1Supporting documentation | Not published | View |
| Dexter Biodiversity Metric 3.0Supporting documentation | Not published | View |
| Supplementary SI ReportSupporting documentation | Not published | View |
| Building Site Investigation Part 2Supporting documentation | Not published | View |
| Building Site Investigation Part 1Supporting documentation | Not published | View |
| Application FormDecision | Not published | View |
| Covering LetterDecision | Not published | View |
| Levels Plan Proposed drwgno 13025 101 C4Decision | Not published | View |
| Cut and Fill Proposed drwgno 13025 100FDecision | Not published | View |
| Application FormDecision | Not published | View |
| Site Plan ME Services drwgno C2018DTLZZEXDRN0000 C01Decision | Not published | View |
| Refuse and Fire Tracking drwgno 13025 SK112BDecision | Not published | View |
| Soft Landscape Plan drwgno JSL3111 300JDecision | Not published | View |
| Landscape Strategy drwgno JSL3111 100KDecision | Not published | View |
| Adpet GRP Enclosure drwgno VR13EDecision | Not published | View |
| Hard Landscape Plan drwgno JSL3111 200 JDecision | Not published | View |
| External Works Proposed drwgno 13025 104 C4Decision | Not published | View |
| Site Layout Proposed drwgno 001213ADP00XXDRA0902 S4T11Decision | Not published | View |
| Drainage Plan Proposed drwgno 13025 103 C9Decision | Not published | View |
| Block Plan drwgno ADP00XXDRA0903 S4T10Decision | Not published | View |
| 2024-04-08 Cover LetterDecision | Not published | View |
| 2024-06-13 Officer ResponseDecision | Not published | View |
| 2024-06-13 Officer ResponseDecision | Not published | View |
| 2024-05-15 Officer ResponseDecision | Not published | View |
| Delegated ReportDecision | Not published | View |
| 2024-05-15 Officer ResponseDecision | Not published | View |
| Delegated ReportDecision | Not published | View |
| Decision NoticeDecision | Not published | View |
| 3204436 - 2024 09 18 Chilton Interchange Western Roundabout s278 (COMPLETE ) 59342Legal Agreement (redacted) | Not published | View |
| 2623161 - 2023 06 15 Harwell Campus Land North of Thomson Avenue s106 58581 Composite all partiesLegal Agreement (redacted) | Not published | View |
Documents open on the council website. Browse council documents if a link has changed.
Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.
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.