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
12 Mardley Wood Welwyn AL6 0UX
Last published check: 19 Oct 2026, 19:08. Check the council record for more recent changes.
Council milestones and published deadlines. A deadline passing does not confirm a decision.
A published target or deadline. It does not confirm an outcome.
Council sourceErection of single storey rear extension and two storey side extension following demolition of rear and side conservatories
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| Document | Published | Action |
|---|---|---|
| Description: Application Form - RedactedApplicationFormNoPersonalData.pdf (100 kb) | Not published | View |
| Description: Application Form - Redacted NMAApplicationFormNoPersonalData(1).pdf (100 kb) | Not published | View |
| Description: Existing Front Elevation42-2000 EXISTING FRONT ELEVATION.pdf (281 kb) | Not published | View |
| Description: Existing Rear Elevation42-2001 EXISTING REAR ELEVATION.pdf (255 kb) | Not published | View |
| Description: Existing Side Elevation42-2002 EXISTING SIDE ELEVATION.pdf (170 kb) | Not published | View |
| Description: Existing Side Elevation42-2006 EXISTING SIDE ELEVATION.pdf (178 kb) | Not published | View |
| Description: Proposed Rear Elevation42-2001 PROPOSED REAR ELEVATION-A1-000.pdf (336 kb) | Not published | View |
| Description: Proposed Front Elevation42-2003 PROPOSED FRONT ELEVATION.pdf (330 kb) | Not published | View |
| Description: Proposed Side Elevation42-2005 PROPOSED SIDE ELEVATION.pdf (224 kb) | Not published | View |
| Description: Proposed Side Elevation42-2007 PROPOSED SIDE ELEVATION.pdf (220 kb) | Not published | View |
| Description: NMA - Proposed Rear ElevationREAR ELEVATION.pdf (332 kb) | Not published | View |
| Description: NMA - Proposed Side ElevationSIDE ELEVATION.pdf (222 kb) | Not published | View |
| Description: NMA - Side Elevation ASIDE ELEVATION A.pdf (234 kb) | Not published | View |
| Description: Ground Floor Plan - Existing42-1000 EXISTING GROUND FLOOR.pdf (205 kb) | Not published | View |
| Description: First Floor Plan - Existing42-1001 EXISTING FIRST FLOOR.pdf (209 kb) | Not published | View |
| Description: Ground Floor Plan - Proposed42-1010 PROPOSED GROUND FLOOR.pdf (262 kb) | Not published | View |
| Description: First Floor Plan - Proposed42-1011 PROPOSED FIRST FLOOR.pdf (245 kb) | Not published | View |
| Description: NMA Ground Floor PlanGROUND FLOOR.pdf (409 kb) | Not published | View |
| Description: Plans - Proposed, Location And Block Plan042-0001-SCA-LOCATION & BLOCK PLAN.pdf (196 kb) | Not published | View |
| Description: NMA - Location Block PlanLOCATION BLOCK PLAN.pdf (204 kb) | Not published | View |
| Description: Existing Long Section42-3000 EXISTING SECTION.pdf (150 kb) | Not published | View |
| Description: Proposed Long Section42-3010 PROPOSED SECTION AA.pdf (171 kb) | Not published | View |
| Description: Planning StatementSCA Mardleywood Planning Statement.pdf (2126 kb) | Not published | View |
| Description: Conditinal - Herts Biological Records Centre12 Mardley Wood Welwyn AL6 0UX - 6-2018-1526-HOUSE.pdf (58 kb) | Not published | View |
| Description: Decision Notice PDFDecision Notice_620181526HOUSE.pdf (532 kb) | Not published | View |
| Description: Officer ReportDelegated Report_620181526HOUSE(2).pdf (26 kb) | Not published | View |
| Description: Roof Plan - Existing42-1002 EXISTING ROOF PLAN.pdf (148 kb) | Not published | View |
| Description: Roof Plan - Proposed42-1012 PROPOSED ROOF PLAN.pdf (201 kb) | Not published | View |
| Description: NMA - Roof Plan ProposedROOF PLAN.pdf (176 kb) | Not published | View |
| Description: Sca Existing First FloorSCA EXISTING FIRST FLOOR.pdf (212 kb) | Not published | View |
Documents open on the council website. Browse council documents if a link has changed.
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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.
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Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.
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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.