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
20 Canonsfield Welwyn AL6 0QD
Last published check: 30 Oct 2026, 18:05. 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 a two storey side/front extension and part single/two storey rear extension and front porch and block paving to the front of the site, following the demolition of existing garage.
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| Document | Published | Action |
|---|---|---|
| Description: Application form redactedApplicationFormRedacted.pdf (285 kb) | Not published | View |
| Description: Existing GroundCAN 100 EXISTING GROUND.pdf (105 kb) | Not published | View |
| Description: Existing FirstCAN 101 EXISTING FIRST.pdf (69 kb) | Not published | View |
| Description: Existing RoofCAN 102 EXISTING ROOF.pdf (48 kb) | Not published | View |
| Description: Existing Front ElevationCAN 200 EXISTING FRONT ELEVATION.pdf (49 kb) | Not published | View |
| Description: Existing Rear ElevationCAN 201 EXISTING REAR ELEVATION.pdf (52 kb) | Not published | View |
| Description: Existing Side ElevationCAN 202 EXISTING SIDE ELEVATION.pdf (45 kb) | Not published | View |
| Description: Proposed GroundCAN 110 PROPOSED GROUND.pdf (89 kb) | Not published | View |
| Description: Proposed First Floor RevCAN 111 PROPOSED FIRST.pdf (57 kb) | Not published | View |
| Description: Proposed Roof PlanCAN 112 PROPOSED ROOF.pdf (47 kb) | Not published | View |
| Description: Proposed Front ElevationCAN 210 PROPOSED FRONT ELEVATION.pdf (61 kb) | Not published | View |
| Description: Proposed Rear ElevationCAN 211 PROPOSED REAR ELEVATION.pdf (52 kb) | Not published | View |
| Description: Proposed Flank ElevationCAN 212 PROPOSED SIDE ELEVATION.pdf (46 kb) | Not published | View |
| Description: Existing Block PlanCAN 500 EXISTING BLOCK PLAN.pdf (86 kb) | Not published | View |
| Description: Proposed Block PlanCAN 510 PROPOSED BLOCK PLAN.pdf (111 kb) | Not published | View |
| Description: Location PlanCAN LOCATION PLAN.pdf (210 kb) | Not published | View |
| Description: Design and Access StatementDESIGN STATEMENT.pdf (6865 kb) | Not published | View |
| Description: Comment - Herts Ecology6_2025_0877_HOUSE 20 Canonsfield Welwyn AL6 0QD.pdf (267 kb) | Not published | View |
| Description: Comment - Welwyn Parish CouncilComments.pdf (76 kb) | Not published | View |
| Description: Comment - Welwyn Parish CouncilComments(1).pdf (77 kb) | Not published | View |
| Description: Comment - Hertfordshire EcologyRE_ 6_2025_0877_HOUSE 20 Canonsfield Welwyn AL6 0QD_Redacted.pdf (164 kb) | Not published | View |
| Description: Comment- Landscapes Department6.2025.0877.HOUSE - 20 Canonsfield Welwyn AL6 0QD_.pdf (171 kb) | Not published | View |
| Description: Comment - Hertfordshire EcologyRE_ 6_2025_0877_HOUSE 20 Canonsfield Welwyn AL6 0QD_Redacted(1).pdf (14680 kb) | Not published | View |
| Description: Conditional - Hertfordshire EcologyFW_ 6_2025_0877_HOUSE 20 Canonsfield Welwyn AL6 0QD.pdf (1919 kb) | Not published | View |
| Description: Decision NoticeDecision Notice_620250877HOUSE.pdf (681 kb) | Not published | View |
| Description: Delegated Report PDFDelegated Report_620250877HOUSE(1).pdf (154 kb) | Not published | View |
| Description: Revised PRA20 Canons Field ^LLLJ Welwyn BAS Report 15.9.25.pdf (544 kb) | Not published | View |
| Description: Ecological Assessment - PRA - redacted20 Canonsfield PRA Report 25-07-2025 v1_Redacted.pdf (521 kb) | Not published | View |
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Understanding planning · 13 min read
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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.