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.
Application overview
Construction of a new Data Centre building with ancillary office space, provision of parking, vehicular circulation, sprinkler tanks, landscaping and other ancillary/associated works and the retention of 2 existing substations, following the demolition of the existing former, redundant, vacant Data Centre
Proposal details
- Reference
- 6/2023/1618/MAJ
- Agent
- Mr Andy James
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Sign in to view collected detailsApplication location
Hertfordshire Data Centre Mundells Welwyn Garden City AL7 1GE
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Documents 125 of 125
| Document | Published | Action |
|---|---|---|
| Description: ApplicationformredactedApplicationFormRedacted.pdf (0 kb) | Not published | View |
| Description: Existing Site PlanA22-021-PL-002 - EXISTING SITE PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed Site PlanA22-021-PL-003B - PROPOSED SITE PLAN.pdf (0 kb) | Not published | View |
| Description: Existing Ground Floor PlanA22-021-PL-004 - EXISTING GROUND FLOOR PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed Ground Floor PlanA22-021-PL-005 - PROPOSED GROUND FLOOR GA PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed First Floor PlanA22-021-PL-006 - PROPOSED FIRST FLOOR GA PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed Second Floor (office Only)A22-021-PL-007 - PROPOSED SECOND FLOOR (OFFICE ONLY).pdf (0 kb) | Not published | View |
| Description: Existing ElevationsA22-021-PL-009 - EXISTING ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed SectionsA22-021-PL-011A - PROPOSED SECTIONS.pdf (0 kb) | Not published | View |
| Description: Proposed ElevationsA22-021-PL-010C - PROPOSED ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Location PlanA22-021-PL-001A - LOCATION PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed Sprinkler Tank DetailsA22-021-PL-012 - SPRINKLER TANK DETAILS.pdf (0 kb) | Not published | View |
| Description: Cycle Shelter - Proposed External Works DetailsA22-021-PL-013 - EXTERNAL WORKS DETAILS.pdf (0 kb) | Not published | View |
| Description: External Lighting LayoutExternal Lighting Assessment - 1941-ESC-00-ZZ-DR-E-2100 P1.pdf (0 kb) | Not published | View |
| Description: Landscape Strategy PlanLandscape Proposals - 8175.ASP4.LSP_C.pdf (0 kb) | Not published | View |
| Description: Existing DrainageSBK-22-144-DR-C-532 P01 - EXISTING DRAINAGE.pdf (0 kb) | Not published | View |
| Description: Concept Drainage StrategySBK-22-144-DR-C-530 P04 - CONCEPT DRAINAGE STRATEGY.pdf (0 kb) | Not published | View |
| Description: Concept Levels StrategySBK-22-144-DR-C-510 P05 - CONCEPT LEVELS STRATEGY.pdf (0 kb) | Not published | View |
| Description: Exceedance Flow RouteSBK-22-144-DR-C-531 P01 - EXCEEDANCE FLOW ROUTE.pdf (0 kb) | Not published | View |
| Description: SUDs Maintenance AccessSBK-22-144-DR-C-533 P01 - SuDS Maintenance Access.pdf (0 kb) | Not published | View |
| Description: Concept Levels SectionsSBK-22-144-DR-C-511 P04 - CONCEPT LEVELS SECTIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Generator Screen ElevationsA22-021-PL-014B - PROPOSED GENERATOR SCREEN ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Site Context ElevationsA22-021-PL-015C - PROPOSED SITE CONTEXT ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Street SceneA22-021-PL-016B - PROPOSED STREET SCENE - SITE CONTEXT.pdf (0 kb) | Not published | View |
| Description: Design And Access StatementDesign and Access Statement 22-021-DAS-01.pdf (0 kb) | Not published | View |
| Description: Planning Statement RedactedPlanning Statement _Redacted..pdf (0 kb) | Not published | View |
| Description: Planning Statement RedactedFINAL HTP 231 - Capita Land - Welywn - planning statement - Rev 1_Redacted.pdf (0 kb) | Not published | View |
| Description: Transport Assessment RedactedTransport Assessment - 2300728 J327291 001 Rev A_Redacted.pdf (0 kb) | Not published | View |
| Description: Support - Hertfordshire Constabulary - attachmentReply to client 12412023.pdf (0 kb) | Not published | View |
| Description: Support - Hertfordshire ConstabularyComments.pdf (0 kb) | Not published | View |
| Description: Comment - Active Travel EnglandLPA Reference_ 6_2023_1618_MAJ Skip to tabbed content No Comment (below threshold) Response.pdf (0 kb) | Not published | View |
| Description: Comment - HCC Water Officer6_2023_1618_MAJ- Fire hydrants.pdf (0 kb) | Not published | View |
| Description: Comment- Thames Water3rd Party Planning Application - 6_2023_1618_MAJ.pdf (0 kb) | Not published | View |
| Description: Objection- Cadent gas (holding objection)Ref_ 6_2023_1618_MAJ (JP) Planning Application Holding Objection.pdf (0 kb) | Not published | View |
| Description: Comment- Cadent gascadent gas.pdf (0 kb) | Not published | View |
| Description: Comment- Cadent gas- attachmentCAD_SP_SSW_22 _ feb 2023 (002).pdf (0 kb) | Not published | View |
| Description: Comment- Cadent gas- attachment 2attachment 1 pdf.pdf (0 kb) | Not published | View |
| Description: Comment- Cadent gas- attachment 3attachment 2 pdf.pdf (0 kb) | Not published | View |
| Description: Comment- Cadent gas- attachment 4attachment 3.pdf (0 kb) | Not published | View |
| Description: Comment- HCC HighwaysResponse_6-2023-1618-MAJ (002).pdf (0 kb) | Not published | View |
| Description: Comments - Affinity Water620231618MAJ_18092023.pdf (0 kb) | Not published | View |
| Description: Comment- Historic England Redacted620231618MAJ_HERef_P01565308_L435935_Redacted.pdf (0 kb) | Not published | View |
| Description: Conditional Response- Public Health & Protection- WK140777 - Hertfordshire Data Centre.pdfWK140777 - Hertfordshire Data Centre.pdf (0 kb) | Not published | View |
| Description: Conditional Response- Public Health and Protection - WHBC - Public Health and ProtectionComments(1).pdf (0 kb) | Not published | View |
| Description: Comment- Conservation Officer- Plave Services- Built Heritage Advice6_2023_1618_MAJ Hertfordshire Data Centre Mundells Welwyn Garden City.pdf (0 kb) | Not published | View |
| Description: Comment-Conservation Officer - Place ServicesComments(2).pdf (0 kb) | Not published | View |
| Description: Comment- Active EnglandLPA Reference_ 6_2023_1618_MAJ No Comment (below threshold) Response.pdf (0 kb) | Not published | View |
| Description: Comment - Historic England - redactedW_HERef_P01565308_436029_620231618MAJ_Redacted.pdf (0 kb) | Not published | View |
| Description: Comments - HCC HighwaysResponse_6-2023-1618-MAJ (26-9-23).pdf (0 kb) | Not published | View |
| Description: Comment - WHBC - Client ServicesComments(3).pdf (0 kb) | Not published | View |
| Description: Comments - Natural EnglandNE Response - 451615 (002).pdf (0 kb) | Not published | View |
| Description: Comment- HCC Minerals and Waste6 2023 1618 MAJ - 2023-19-24.pdf (0 kb) | Not published | View |
| Description: Comment- HCC Historic Environment Advisor6-23-1618-1.pdf (0 kb) | Not published | View |
| Description: Comment- Herts EcologyHerts Data Centre Welwyn AL7 1GE (6-2023-1618-MAJ).pdf (0 kb) | Not published | View |
| Description: Comment- Thames Water RedactedFrom_Redacted(1).pdf (0 kb) | Not published | View |
| Description: Comment- Historic England620231618MAJ_HERef_P01565308_D185316 (002).pdf (0 kb) | Not published | View |
| Description: Comment- Active Travel EnglandLPA Reference_ 6_2023_1618_MAJ No Comment Response.pdf (0 kb) | Not published | View |
| Description: Comment - Environment Agency136130-02.pdf (0 kb) | Not published | View |
| Description: Comment - Affinity Water620231618MAJ_04122023.pdf (0 kb) | Not published | View |
| Description: Comment - Natural EnglandNE Response - 451615.pdf (0 kb) | Not published | View |
| Description: Objection - Lead Local Flood Authority - Technical response6-2023-1618-MAJ - LLFA Technical response - 18.12.2023.pdf (0 kb) | Not published | View |
| Description: Objection - Lead Local Flood Authority - Letter6-2023-1618-MAJ - LLFA letter - 18.12.2023.pdf (0 kb) | Not published | View |
| Description: Comment- Herts EcologyHerts Data Centre Welwyn AL7 1GE (6-2023-1618-MAJ)(2).pdf (0 kb) | Not published | View |
| Description: Comment - WHBC Landscaping6-2023-1618-FULL Hertfordshire data centre Mudells WGC.pdf (0 kb) | Not published | View |
| Description: Comment - Hertfordshire ConstabularyComments(4).pdf (0 kb) | Not published | View |
| Description: Comment - Historic England - redacted620231618MAJ_HERef_P01565308_D187993_Redacted.pdf (0 kb) | Not published | View |
| Description: Comment - Hetfordshire EcologyHerts Data Centre Welwyn AL7 1GE (6-2023-1618-MAJ)(3).pdf (0 kb) | Not published | View |
| Description: Comment - Environment Agency - redacted136130-04_Redacted.pdf (0 kb) | Not published | View |
| Description: Comment- Active EnglandLPA Reference_ 6_2023_1618_MAJ No Comment (below threshold) Response(1).pdf (0 kb) | Not published | View |
| Description: Comment Thames Water RedactedOriginal Message_Redacted.pdf (0 kb) | Not published | View |
| Description: Comment- Natural England - RedactedNE RESPONSE - 465117 6_2023_1618_MAJ_Redacted.pdf (0 kb) | Not published | View |
| Description: Comment- LLFA6-2023-1618-MAJ - LLFA 12.02.2024.pdf (0 kb) | Not published | View |
| Description: Comment- Hertfordshire County Council6-2023-1618-MAJ - LLFA 12.02.2024(1).pdf (0 kb) | Not published | View |
| Description: Comment- Historic Environment Advisor6-23-1618-2.pdf (0 kb) | Not published | View |
| Description: Objection - Unit 2 Sterling Court Mundells Welwyn Garden City AL7 1FT -RedactedUnit 2, Sterling Court, Mundells, Welwyn Garden City, AL7 1FT Objection 01-10-2023-Redacted.pdf (0 kb) | Not published | View |
| Description: S106 - 2nd July 2024 - redactedMundells S106_Redacted(1).pdf (0 kb) | Not published | View |
| Description: Decision NoticeDecision Notice_620231618MAJ.pdf (0 kb) | Not published | View |
| Description: Delegated ReportDelegated Report_620231618MAJ(5).pdf (0 kb) | Not published | View |
| Description: Proposed Life Safety Generator DetailsA22-021-PL-018B - LIFE SAFETY GENERATOR DETAILS.pdf (0 kb) | Not published | View |
| Description: Air Quality Assessment100654[00] Air Quality Assessment - Final.pdf (0 kb) | Not published | View |
| Description: Drainage Strategy And Framework RedactedDrainage Strategy and FRA - SBK-22-144-RP-C-01 P02 - FRA_Redacted..pdf (0 kb) | Not published | View |
| Description: Drainage Strategy & Framework RedactedDrainage Strategy and FRA - SBK-22-144-RP-C-01 P03 - FRA_Redacted.pdf (0 kb) | Not published | View |
| Description: Desk Study Report RedactedAG3508-23-AQ51-Issue 2_Redacted.pdf (0 kb) | Not published | View |
| Description: Noise Assessment100654[00] Noise Assessment - Final.pdf (0 kb) | Not published | View |
| Description: Proposed Roof PlanA22-021-PL-008A - PROPOSED ROOF GA PLAN.pdf (0 kb) | Not published | View |
| Description: Site NoticeSite Notice_620231618MAJ.pdf (0 kb) | Not published | View |
| Description: Proposed Site PlanA22-021-PL-003 - PROPOSED SITE PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed Roof PlanA22-021-PL-008 - PROPOSED ROOF GA PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed ElevationsA22-021-PL-010 - PROPOSED ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed SectionsA22-021-PL-011 - PROPOSED SECTIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Generator Screen ElevationsA22-021-PL-014 - PROPOSED GENERATOR SCREEN ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Site Context ElevationsA22-021-PL-015 - PROPOSED SITE CONTEXT ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Site PlanA22-021-PL-003A - PROPOSED SITE PLAN.pdf (0 kb) | Not published | View |
| Description: Proposed ElevationsA22-021-PL-010A - PROPOSED ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Street SceneA22-021-PL-016 - PROPOSED STREET SCENE.pdf (0 kb) | Not published | View |
| Description: Proposed ElevationsA22-021-PL-010B - PROPOSED ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Generator Screen ElevationsA22-021-PL-014A - PROPOSED GENERATOR SCREEN ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Site Context ElevationsA22-021-PL-015A - PROPOSED SITE CONTEXT ELEVATIONS.pdf (0 kb) | Not published | View |
| Description: Proposed Street SceneA22-021-PL-016A - PROPOSED STREET SCENE - SITE CONTEXT.pdf (0 kb) | Not published | View |
| Description: Proposed Life Safety Generator DetailsA22-021-PL-018 - LIFE SAFETY GENERATOR DETAILS.pdf (0 kb) | Not published | View |
| Description: Arboricultural Impact Assessment RedactedArboricultural Impact Assessment - 11697_AIA.001_Redacted..pdf (0 kb) | Not published | View |
| Description: Archaeology Report RedactedArchaeology Report - 2347 HW23 DBA_Redacted.pdf (0 kb) | Not published | View |
| Description: Breeam 2010 NC Data Centre Pre AssessmentBREEAM 2010 D.C. Pre-Assessment - 23.05.24 Rev A.pdf (0 kb) | Not published | View |
| Description: Demolition Statement- Main Method Statement RedactedDemolition Statement - SF09-03-10 Main Method Statement_Redacted.pdf (0 kb) | Not published | View |
| Description: Ecological AppraisalEcological Appraisal - 11630 EcoApp.pdf (0 kb) | Not published | View |
| Description: Energy Report 1941 Esc 00 Zz Rp Z 0016Energy Report - 1941-ESC-00-ZZ-RP-Z-0016.pdf (0 kb) | Not published | View |
| Description: Landscape Proposals RedactedLandscape Visual Assessment - 8175.LVA.002.DV (1)_Redacted.pdf (0 kb) | Not published | View |
| Description: Landscape & Visual Appraisal RedactedLandscape Visual Assessment - 8175.LVA.002.DV (1)_Redacted(2).pdf (0 kb) | Not published | View |
| Description: Utilities Review RedactedUtilities Review - 1941-ESC-00-ZZ-RP-Z-0016 - 20230726_Redacted.pdf (0 kb) | Not published | View |
| Description: Transport Assessment Redacted230824 J327291 TA 001 Rev B_Redacted.pdf (0 kb) | Not published | View |
| Description: Archaeological Desk Based Assessment Redacted2347 HW23 Welwyn Data Centre Welwyn Garden City Herts DBA_Redacted.pdf (0 kb) | Not published | View |
| Description: Aboricultural Impact Assessment RedactedArboricultural Impact Assessment - 11697_AIA.001 Rev A_Redacted.pdf (0 kb) | Not published | View |
| Description: Landscape & Visual Assessment RedactedLandscape Visual Assessment - 8175.LVA.003.DV (1)_Redacted.pdf (0 kb) | Not published | View |
| Description: Utilities Review RedactedUtilities Review - 1941-ESC-00-ZZ-RP-Z-0016 - 20230831_Redacted.pdf (0 kb) | Not published | View |
| Description: Ecological AppraisalEcological Appraisal - 11630 EcoApp Final-RevA-Issued.pdf (0 kb) | Not published | View |
| Description: Metric Table Excel11630 - 4.0 BNG Metric - Rev C - CH - 24.07.23.xlsx (0 kb) | Not published | View |
| Description: Ecological Appraisal Dec 2023 Redacted11630 EcoApp Rev B - Issued (002)_Redacted.pdf (0 kb) | Not published | View |
| Description: Storm Water Network Document 32024-01-11 - STORM WATER NETWORK.pdf (0 kb) | Not published | View |
| Description: Half Drain Times2024-01-11 - Half Drain Times.pdf (0 kb) | Not published | View |
| Description: Flood Risk Assessment & Sustainable Drainage Strategy RedactedSBK-22-144-RP-C-01 P04 - FRA_Redacted.pdf (0 kb) | Not published | View |
| Description: Notes on Response to Formal LLFA Comments2024-01-12 - SBK Response to LLFA Comments dated 18.12.2023.pdf (0 kb) | Not published | View |
| Description: Storm Water Network Document 12024-01-11 - STORM WATER NETWORK - 3.33.pdf (0 kb) | Not published | View |
| Description: Storm Water Network Document 22024-01-11 - STORM WATER NETWORK - 6 hour.pdf (0 kb) | Not published | View |
| Description: Framework Travel PlanFramework Travel Plan - 230728 J327291 FTP 001 Rev A.pdf (0 kb) | Not published | View |
| Description: Workplace Travel PlanFramework Travel Plan - 230825 J327291 FTP 001 Rev B.pdf (0 kb) | Not published | View |
Documents open on the council website. Browse council documents if a link has changed.
Decision & conditions
Description: Decision NoticePlanning conditions
Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.
Related records
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