Planning application
21 Mydam Lane Gorseinon Swansea SA4 4YA
Works: Extension
Permission granted. Work must normally begin within five years of the decision or the permission lapses.
Proposal
Rear extension and alterations
As published by the council, reference 2026/0518/FUL
Application record
- Reference
- 2026/0518/FUL
- Type
- Full Plans
- Status
- Decided
- Decision
- Approve
- Received
- 31 Mar 2026
- Validated
- 9 Apr 2026
- Decided
- 4 Jun 2026
- Ward
- Gorseinon And Penyrheol - Area 1
- Parish
- Gorseinon Town Council
- Decision by
- Delegated Decision
- Postcode
- SA4 4YA
Site history
Applications at this address on the Swansea register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
2026/1200/DOC Awaiting decision
21 Mydam Lane Gorseinon Swansea SA4 4YA
Discharge of condition 4 (tree protection) of planning permisssion 2026/0518/FUL granted 4th June 2026
Timeline
Dates from the published record
-
31 Mar 2026
Received by Swansea
-
9 Apr 2026
Validated
Checked as complete and ready for consideration.
-
4 Jun 2026
Decision issued: Approve
-
28 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
2026/1200/DOC Awaiting decision
21 Mydam Lane Gorseinon Swansea SA4 4YA
Discharge of condition 4 (tree protection) of planning permisssion 2026/0518/FUL granted 4th June 2026
Who's behind it
Company information only, from the register and Companies House
ASA Architecture Agent, an architecture practice registered in Devizes
Dissolved · incorporated 1995 · Devizes
17 applications on PlanIndex · across 2 councils · 77% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
14 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
Swansea granted permission on 4 June 2026, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
21 Mydam Lane Gorseinon Swansea SA4 4YA
97% historically approved · decision due ~18 Sep
Discharge of condition 4 (tree protection) of planning permisssion 2026/0518/FUL granted 4th June 2026
Awaiting decision Conditions Trees 5 docs -
17 Mydam Lane Gorseinon Swansea SA4 4YA
Increase to the main ridge height of the dwelling, form first floor arrangement, gable fronted dormer roof extensions, pitched rear balcony, flat roof dormer to rear
Granted Full applications Extension Loft or dormer +1 16 docsDomestic -
22 Mydam Lane Gorseinon Swansea SA4 4YA
Demolition of existing bungalow and construction of replacement detached dormer bungalow with integral garage and construction of detached unit of accommodation to be used as a granny annexe (amendment to planning permission 2009/0115 granted 9th September 2009) without complying with condition 4 of planning permission 2010/0136 granted 8th April 2010 requiring the annex to remain as an integral part of the existing dwelling that should not be sold, let or otherwise occupied as a separate unit of accommodation.
Granted Amendments Loft or dormer Demolition 10 docsDomestic -
11 Mabon Close Gorseinon Swansea SA4 4GN
Single storey side extension
Granted Full applications Extension 7 docsSmall domestic -
Land Rear Of 19 Mydam Lane And Between 46 & 48 Llys Gwynfaen Gorseinon Swansea SA4 4YA
Four detached bungalows (outline )
Refused Outline 30 docs -
48 Llys Gwynfaen Gorseinon Swansea SA4 4JG
82% historically approved · decision due ~11 Feb
Construction of a detached dwellinghouse, together with reconfiguration of domestic garden space to incorporate part of neighbouring property curtilage for an existing dwellinghouse
Awaiting decision Full applications 15 docsDomestic
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