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
North Mymms Water Treatment Site, Warrengate Road, Brookmans Park, Hatfield, AL10 9EZ
Last published check: 18 Oct 2026, 18:05. Check the council record for more recent changes.
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Council sourceInstallation of new plant and machinery to enable new water treatment process at existing treatment plant and all associated works at site of recently demolished plant building to include: Single actiflo Carb 5 unit, Actiflo Carb Recycl Pumps and hydrocyclone, PAC Storage Silo and conveyor system, New plant building, Wastewater recovery plant and New kiosk housing a new motor control centre
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Sign in to view collected detailsNorth Mymms Water Treatment Site, Warrengate Road, Brookmans Park, Hatfield, AL10 9EZ
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| Document | Published | Action |
|---|---|---|
| Description: Rear Elevation Of Filter Block00000049.pdf (0 kb) | Not published | View |
| Description: Main Pumphouse Elevations And Sections00000010.pdf (0 kb) | Not published | View |
| Description: Existing Elevations00000053.pdf (0 kb) | Not published | View |
| Description: General Elevations00000009.pdf (0 kb) | Not published | View |
| Description: North And South ElevationsPO18849-DR-293-0005 A.pdf (0 kb) | Not published | View |
| Description: East And West ElevationsPO18849-DR-293-0006 A.pdf (0 kb) | Not published | View |
| Description: Existing Planning Elevations Sheet 1 of 2 (Prior to demolition)P018849-DR-325-0053.pdf (0 kb) | Not published | View |
| Description: Existing Planning Elevations Sheet 2 of 2 (Prior to demolition)P018849-DR-325-0054.pdf (0 kb) | Not published | View |
| Description: Existing Planning Elevations Sheet 2 of 2 (Post demolition)P018849-DR-325-0054AA ex (004).pdf (0 kb) | Not published | View |
| Description: Existing Planning Elevations Sheet 1 of 2 (Prior to demolition)P018849-DR-325-0053AA (002).pdf (0 kb) | Not published | View |
| Description: Planning Elevations Sheet 2 of 2 (Proposed)P018849-DR-325-0051_iss1_revA.PDF (0 kb) | Not published | View |
| Description: Planning Elevations Sheet 1 of 2 (Proposed)P018849-DR-325-0050_iss1_revA.PDF (0 kb) | Not published | View |
| Description: Site Location PlanP018849-SK-326-0001(1).pdf (0 kb) | Not published | View |
| Description: Treatment Area Overall Site PlanP018849-SK-326-0003.pdf (0 kb) | Not published | View |
| Description: Treatment Area Sections 1 of 2P018849-SK-326-0004.pdf (0 kb) | Not published | View |
| Description: Treatment Area Sections 2 of 2P018849-SK-326-0005.pdf (0 kb) | Not published | View |
| Description: Isometric ViewsP018849-SK-326-0006.pdf (0 kb) | Not published | View |
| Description: Planning Elevations Sheet 1 of 2P018849-SK-326-0007.pdf (0 kb) | Not published | View |
| Description: Planning Elevations Sheet 2 of 2P018849-SK-326-0008.pdf (0 kb) | Not published | View |
| Description: Demolition PlanP018849-SK-326-0009-A Demolition Plan.pdf (0 kb) | Not published | View |
| Description: Proposed Site LayoutP018849-SK-326-0002.pdf (0 kb) | Not published | View |
| Description: General Arrangement Isometric ViewP018849-DR-381-0001_iss1_revB.pdf (0 kb) | Not published | View |
| Description: Foundation PlanPO18849-DR-293-0001 A.pdf (0 kb) | Not published | View |
| Description: Centrifuge Platform LevelPO18849-DR-293-0002 A.pdf (0 kb) | Not published | View |
| Description: Centrifuge Lifting Beam LevelPO18849-DR-293-0003 A.pdf (0 kb) | Not published | View |
| Description: Building Section & DetailsPO18849-DR-293-0007 A.pdf (0 kb) | Not published | View |
| Description: Foundation Details & SectionsPO18849-DR-293-0010 A.pdf (0 kb) | Not published | View |
| Description: Platform Sections & DetailsPO18849-DR-293-0020 A.pdf (0 kb) | Not published | View |
| Description: Foundation Plan - Outside AreaPO18849-DR-293-0050 A.pdf (0 kb) | Not published | View |
| Description: 3D ViewPO18849-DR-293-0100 A.pdf (0 kb) | Not published | View |
| Description: 3D ViewPO18849-DR-293-0101 A.pdf (0 kb) | Not published | View |
| Description: Tyttenhanger Main - SectionPO18849-DR-293-0902 A.pdf (0 kb) | Not published | View |
| Description: Tyttenhanger Main - PlanPO18849-DR-293-0903 A.pdf (0 kb) | Not published | View |
| Description: General Arrangement Actiflo Building SectionsP018849-DR-381-0009_D.PDF (0 kb) | Not published | View |
| Description: Planning Site LayoutP018849-DR-325-0052_iss1_revA.PDF (0 kb) | Not published | View |
| Description: Site Location Plan20190227_151669_PLN_SP_4.1 sitloc.pdf (0 kb) | Not published | View |
| Description: General Arrangement Actiflo Building SectionsP018849-DR-381-0010_A.PDF (0 kb) | Not published | View |
| Description: SectionPO18849-DR-293-0051 A.pdf (0 kb) | Not published | View |
| Description: Planning StatementNorth Mymms Planning Statement final Oct 2018.pdf (0 kb) | Not published | View |
| Description: Conditional - North Mymms Parish CouncilComments.pdf (0 kb) | Not published | View |
| Description: Comment - Environment AgencyRE_ 6_2018_1498_FULL Warrengate Road Water Treatment Works.pdf (0 kb) | Not published | View |
| Description: Comment - Cadent GasConsultee Response - Ref_ Formal Planning Application – Your Ref_ 6_2018_1498_FULL Our Ref_ NL_TE_Z5_3NWP_014339.pdf (0 kb) | Not published | View |
| Description: Conditional - WHBC Public Health & ProtectionWarrengate Road Water Treatment Works.pdf (0 kb) | Not published | View |
| Description: Comment - Cadent GasEmail-ref 6 2018 1498 FULL Becton Sewage Treatment Works.msg (0 kb) | Not published | View |
| Description: Comment - Cadent Gas/National GridOHL Objection 26-06-2019 11-53-38.pdf (0 kb) | Not published | View |
| Description: Officer ReportDelegated Report_620181498FULL.pdf (0 kb) | Not published | View |
| Description: General Arrangement Overall Plan/SectionP018849-DR-381-0002_D.PDF (0 kb) | Not published | View |
| Description: General Arrangement Artiflo Area PlanP018849-DR-381-0003_D.PDF (0 kb) | Not published | View |
| Description: General Arrangement Artiflo Area Section PlanP018849-DR-381-0004_D.PDF (0 kb) | Not published | View |
| Description: General Arrangement Artiflo Area SectionsP018849-DR-381-0005_D.PDF (0 kb) | Not published | View |
| Description: General Arrangement Artiflo Area SectionsP018849-DR-381-0006_D.PDF (0 kb) | Not published | View |
| Description: General Arrangement Artiflo Area SectionsP018849-DR-381-0007_D.PDF (0 kb) | Not published | View |
| Description: General Arrangement Actiflo Dosing Building PlanP018849-DR-381-0008_D.PDF (0 kb) | Not published | View |
| Description: Comment - Cadent GasNATIONAL_GRID_NL_TE_Z5_3NWP_014339_1_45292.pdf (0 kb) | Not published | View |
| Description: North Mymms Metaldehyde RemovalP018849-CA-520-0001_iss3_revC Mass Balance.pdf (0 kb) | Not published | View |
| Description: Decision NoticeDecision Notice_620181498FULL.pdf (0 kb) | Not published | View |
| Description: Sound Assessment draft report2297w-SEC-00001-01 - North Mymms_Draft Noise Report.pdf (0 kb) | Not published | View |
| Description: Roof PlanPO18849-DR-293-0004 A.pdf (0 kb) | Not published | View |
| Description: Site NoticeSite Notice_620181498FULL.pdf (0 kb) | Not published | View |
| Description: General Arrangement Overall Plan/SectionP018849-DR-381-0002_iss1_revB.pdf (0 kb) | Not published | View |
| Description: General Arrangement Artiflo Area PlanP018849-DR-381-0003_iss1_revB.pdf (0 kb) | Not published | View |
| Description: Actiflo Area Section PlanP018849-DR-381-0004_iss1_revB.pdf (0 kb) | Not published | View |
| Description: Actiflo Area SectionsP018849-DR-381-0005_iss1_revB.pdf (0 kb) | Not published | View |
| Description: Actiflo Area SectionsP018849-DR-381-0006_iss1_revB.pdf (0 kb) | Not published | View |
| Description: Acrtiflo Area SectionsP018849-DR-381-0007_iss1_revB.pdf (0 kb) | Not published | View |
| Description: Actiflo Dosing Building PlanP018849-DR-381-0008_iss1_revB.pdf (0 kb) | 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.
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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.