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
Mansion House North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TR
Last published check: 8 Oct 2026, 21:45. Check the council record for more recent changes.
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Council sourceA published target or deadline. It does not confirm an outcome.
Council sourceChange of use to wedding venue, conference, ceremonies, corporate events and filming (Retrospective)
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Sign in to view collected detailsMansion House North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TR
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| Document | Published | Action |
|---|---|---|
| Description: ApplicationformredactedApplicationFormRedacted.pdf (394 kb) | Not published | View |
| Description: Block Plan5440.02-block plan-scan.pdf (423 kb) | Not published | View |
| Description: Site Location Plan5440.01-site location plan (original red line)-scan.pdf (715 kb) | Not published | View |
| Description: Planning Statement5440-26.07.15-north mymms planning-statement_Redacted.pdf (173 kb) | Not published | View |
| Description: Economic Development - Welwyn Hatfield Borough CouncilComments.pdf (78 kb) | Not published | View |
| Description: Comment- Lorraine Davis - WHBC - Client ServicesComments(1).pdf (78 kb) | Not published | View |
| Description: Comment- Herts ConstabularyComments(2).pdf (78 kb) | Not published | View |
| Description: Comment- Ecology Redacted6_2026_1251_MAJ Mansion House North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TR_Redacted.pdf (203 kb) | Not published | View |
| Description: Comment- Historic Environment Advisor6-26-1251-1.pdf (217 kb) | Not published | View |
| Description: Conditional- Public Health and Protection - WHBC- WK160518 - North Mymms Pk.pdfWK160518 - North Mymms Pk.pdf (95 kb) | Not published | View |
| Description: Conditional- Public Health and Protection - WHBC - Public Health and ProtectionComments(4).pdf (78 kb) | Not published | View |
| Description: Comment - Historic England20260824-Case[P10003200]-[3407]-[Final]-[W Non Intervention].pdf (10 kb) | Not published | View |
| Description: Comment - Conservation Officer - Place Services - Attachment6.2026.1251.MAJ at Mansion House, North Mymms Park, Tollgate Road, North Mymms.pdf (250 kb) | Not published | View |
| Description: Comment - Conservation Officer - Place ServicesComments(6).pdf (77 kb) | Not published | View |
| Description: Comment - Environment AgencyResponse 26-08-2026.pdf (139 kb) | Not published | View |
| Description: Major Objection - North Mymms Parish Council - attachmentMO 620261251North Mymms Park Tollgate Road.pdf (80 kb) | Not published | View |
| Description: Major Objection - North Mymms Parish CouncilComments(8).pdf (79 kb) | Not published | View |
| Description: Comment - LLFA620261251MAJ - LLFA - 01.09.2026.pdf (107 kb) | Not published | View |
| Description: Comment - HCC Transport Programmes & StrategyResponse_6-2026-1251-MAJ.pdf (117 kb) | Not published | View |
| Description: Comment- Case Officer - Joint Committee of the National Amenity SocietiesComments(9).pdf (80 kb) | Not published | View |
| Description: Comment - Economic Development - Welwyn Hatfield Borough CouncilComments(10).pdf (76 kb) | Not published | View |
| Description: Comment - Historic Enviornment Advisor6-26-1251-2.pdf (223 kb) | Not published | View |
| Description: Comment - Historic England20260930-Case[P10003200]-[5038]-[Final]-[W Non Intervention].pdf (10 kb) | Not published | View |
| Description: Comment - Herts Ecology6_2026_1251_MAJ Mansion House North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TR(1).pdf (290 kb) | Not published | View |
| Description: Comment - Enviornment AgencyResponse 05-10-2026.pdf (139 kb) | Not published | View |
| Description: Comment - Herts Fire and Rescue Water Officer_redactedRE_ 6_2026_1251_MAJ _Redacted.pdf (289 kb) | Not published | View |
| Description: Major Objection - North Mymms Parish CouncilComments(11).pdf (78 kb) | Not published | View |
| Description: Objection- Church Cottage North Mymms Park Objection RedactedObjectionNew2_Redacted.pdf (146 kb) | Not published | View |
| Description: Objection - Church Cottage, North Mymms Park, AL9 7TN_redactedPlanning Applications 6_Redacted.pdf (86 kb) | Not published | View |
| Description: Objection- Church Cottage North Mymms Park Tollgate Road North Mymms Hatfield AL9 7TN -RedactedComments-Redacted.pdf (77 kb) | Not published | View |
| Description: Objection- North Mymms Green Belt SocietyNMGBS_Objection to Mansion House.pdf (87 kb) | Not published | View |
| Description: Objection-- East Lodge Tollgate Road Redacted6_2026_1251_MAJ_Redacted.pdf (287 kb) | Not published | View |
| Description: Objection-- East Lodge Tollgate Road1.pdf (373 kb) | Not published | View |
| Description: Objection-- East Lodge Tollgate Road3.pdf (765 kb) | Not published | View |
| Description: Objection-- East Lodge Tollgate Roadpic.pdf (3384 kb) | Not published | View |
| Description: Comment - 75 Kessock Close, Tottenham, London N17 9PW -RedactedComments-Redacted(1).pdf (76 kb) | Not published | View |
| Description: Objection - East Lodge Tollgate Road North Mymms Hatfield AL9 7TW - attachmentPhotograph 3.pdf (2838 kb) | Not published | View |
| Description: Objection - East Lodge Tollgate Road North Mymms Hatfield AL9 7TW -RedactedComments-Redacted(2).pdf (79 kb) | Not published | View |
| Description: Site NoticeSite Notice_620261251MAJ.pdf (113 kb) | Not published | View |
| Description: Site NoticeSite Notice_620261251MAJ(1).pdf (114 kb) | Not published | View |
| Description: Site NoticeSite Notice_620261251MAJ(2).pdf (114 kb) | Not published | View |
| Description: Site NoticeSite Notice_620261251MAJ(3).pdf (114 kb) | Not published | View |
| Description: Site NoticeSite Notice_620261251MAJ(4).pdf (114 kb) | Not published | View |
| Description: Hours of Operation5440-26.07.27-note on hours of operation-report.pdf (61 kb) | Not published | View |
| Description: Agent’s response to submitted comments_Redacted5440-26.09.22-north mymms responses-statement_Redacted.pdf (167 kb) | Not published | View |
Documents open on the council website. Browse council documents if a link has changed.
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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.