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Planning application

21 Mydam Lane Gorseinon Swansea SA4 4YA

Granted Swansea 2026/0518/FUL Full Plans

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
Granted As published: 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: 2 approved, 0 refused.

  • 2026/1200/DOC Granted

    21 Mydam Lane Gorseinon Swansea SA4 4YA

    Discharge of condition 4 (tree protection) of planning permission 2026/0518/FUL granted 4th June 2026

    Decided 18 Sep 2026 Conditions

Timeline

Dates from the published record

  1. 31 Mar 2026

    Received by Swansea

  2. 9 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 4 Jun 2026

    Decision issued: Approve

  4. 28 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 2026/1200/DOC Granted

    21 Mydam Lane Gorseinon Swansea SA4 4YA

    Discharge of condition 4 (tree protection) of planning permission 2026/0518/FUL granted 4th June 2026

    Decided 18 Sep 2026 Conditions

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

18 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 record

Documents

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What 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 0.3 miles

  • 21 Mydam Lane Gorseinon Swansea SA4 4YA

    2026/1200/DOC Submitted 17 Jul 2026 50 yards away

    Discharge of condition 4 (tree protection) of planning permission 2026/0518/FUL granted 4th June 2026

    Granted Conditions Trees 7 docs

  • 17 Mydam Lane Gorseinon Swansea SA4 4YA

    2023/0881/PRE Submitted 17 Apr 2023 50 yards away

    PRE APP - Increase to the main ridge height of the dwelling to form first floor living accommodation, first floor side extension above existing garage

    Decided Other Extension Roofing 4 docs
    Domestic

  • 17 Mydam Lane Gorseinon Swansea SA4 4YA

    2022/2997/FUL Submitted 29 Dec 2022 50 yards away

    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 docs
    Domestic

  • 40 Llys Gwynfaen Gorseinon Swansea SA4 4JG

    2021/2215/FUL Submitted 23 Aug 2021 50 yards away

    Single storey rear and side extensions

    Granted Full applications Extension 10 docs
    Small domestic

  • 22 Mydam Lane Gorseinon Swansea SA4 4YA

    2020/0570/S73 Submitted 18 Mar 2020 50 yards away

    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 docs
    Domestic

  • 24 Mydam Lane Gorseinon Swansea SA4 4YA

    2023/0703/DOC Submitted 23 Mar 2023 50 yards away

    Discharge of condition 4 (Ecoloigcal Enhancement measures) of planning permission 2022/0220/FUL granted 9th March 2022

    Granted Conditions 6 docs

In Swansea

  • 2025/2677/FUL Granted

    Cwm Cilau Fach Farm Salem Morriston Swansea SA6 6PF

    Remove existing two-storey extension and construct a two-storey rear extension and a single-storey side extension.

    Received 19 Dec, published by the council 28 Jul 2026 Full applications
  • 2026/1398/FUL Granted

    Land Lying On The West Side Of Kite Hill Llanmadoc Swansea SA3 1BU

    Construction of a small, purpose-built bat roost structure

    Received 26 Aug, published by the council 3 Sep 2026 Full applications
  • 2026/1313/FUL Granted

    17 Elba Street Gowerton Swansea SA4 3EE

    Single storey extension to the rear of the dwelling, connecting to and incorporating the existing garage, together with conversion of the garage into habitable living accommodation. Installation of a bird box to the side elevation.

    Received 11 Aug, published by the council 17 Aug 2026 Full applications
  • 2026/1195/FUL Granted

    27 Heol Cae Glas Llansamlet Swansea SA7 9XD

    Retention and completion of raised patio by 65cms for access and a 1.8m fence

    Received 20 Jul, published by the council 17 Aug 2026 Full applications
  • 2026/1329/FUL Granted

    Pleasant View Stones Field Penmaen Swansea SA3 2HQ

    Proposed replacement dwelling with associated landscaping (amendment to planning permission 2025/2422/FUL dated 28th May 2026)

    Received 13 Aug, published by the council 25 Aug 2026 Full applications