Planning application
20 West Avenue Worthing West Sussex BN11 5LU
Works: Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Application for Certificate of Lawfulness for proposed new side dormer to the South elevation and new rooflights to North roofslope (existing side dormers removed)
As published by the council, reference AWDM/1318/25
Application record
- Reference
- AWDM/1318/25
- Type
- Certificate Proposed Lawful Use/Dev
- Status
- Decided
- Decision
- Application Permitted
- Received
- 16 Oct 2025
- Validated
- 22 Oct 2025
- Decided
- 19 Nov 2025
- Ward
- Marine Worthing
- Decision by
- Delegated Decision
- Postcode
- BN11 5LU
Timeline
Dates from the published record
-
16 Oct 2025
Received by Adur
-
22 Oct 2025
Validated
Checked as complete and ready for consideration.
-
19 Nov 2025
Decision issued: Application Permitted
-
12 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice
9 applications on PlanIndex · across 6 councils
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
9 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Adur granted permission on 19 November 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
20 West Avenue Worthing West Sussex BN11 5LU
Application for Certificate of Lawfulness for proposed new side dormer to the South elevation and new rooflights to North roofslope (existing side dormers removed)
Granted Lawful development Loft or dormer 9 docs -
18 West Avenue Worthing West Sussex BN11 5LU
94% historically approved · decision due ~18 Aug
Remodelling of existing bungalow involving removal of existing extension(s) to east elevation, erection of gabled 2-storey extension to east elevation with south gable incorporating first-floor terrace; rooms in a new replacement gabled roof with raised roof ridge, dormer (south elevation), roof lights (north and south roof slopes) and first-floor terrace (west elevation); porch to west elevation; alterations to existing fenestration; solar photovotaic panels to south roofslope.
Awaiting decision Extension Loft or dormer +1Small domestic -
18 West Avenue Worthing West Sussex BN11 5LU
94% historically approved · decision due ~9 Jul
Application for consent under Worthing Tree Preservation Order No.64 of 1995 to reduce crown height and radial spread by up to 2 metres and crown lift up to 5 metres, Yew tree T1.
Decided Trees -
18 West Avenue Worthing West Sussex BN11 5LU
94% historically approved · decision due ~9 Jul
Application for consent under Worthing Tree Preservation Order No.64 of 1995 to reduce crown height and radial spread by up to 2 metres and crown lift up to 5 metres, Yew tree T1.
Decided Trees -
18 West Avenue Worthing West Sussex BN11 5LU
94% historically approved · decision due ~18 Aug
Remodelling of existing bungalow involving removal of existing extension(s) to east elevation, erection of gabled 2-storey extension to east elevation with south gable incorporating first-floor terrace; rooms in a new replacement gabled roof with raised roof ridge, dormer (south elevation), roof lights (north and south roof slopes) and first-floor terrace (west elevation); porch to west elevation; alterations to existing fenestration; solar photovotaic panels to south roofslope.
Awaiting decision Extension Loft or dormer +1Small domestic -
Religious Society Of Friends Worthing Friends Meeting House Mill Road Worthing West Sussex BN11 5LU
Insulation and new finish to flat roof, ramped access to rear kitchen door and replacement fenestration
Granted Full applications Windows or glazing 24 docs
Other lawful development applications
In Adur
-
AWDM/1513/25 Granted
327 Brighton Road Worthing West Sussex BN11 2HP
Application for Certificate of Lawfulness for single storey outbuilding
-
AWDM/1530/25 Granted
Land At South West Corner Of Car Park Downlands Retail Park Lyons Way Worthing West Sussex
Application for a Lawful Development Certificate for confirmation that planning permission AWDM/0333/22 has lawfully commenced.
-
AWDM/1342/25 Granted
Celty 54A Henty Road Worthing West Sussex BN14 7HF
Application for Certificate of Lawfulness for proposed brick enclosing front wall
-
AWDM/1527/25 Granted
23 Oxen Avenue Shoreham-by-sea West Sussex BN43 5AF
Application for Certificate of Lawfulness for proposed loft conversion including hip to gable roof extension, rear dormer with Juliet balcony, side window and front rooflights. Chimney removed.
-
AWDM/1280/25 Granted
5 Westbrooke Worthing West Sussex BN11 1RE
Application for Certificate of Lawfulness for Existing Use for self-containment of Unit 9 through the addition of a toilet in its en-suite shower room.