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Planning application

15 Westland Avenue West Cross Swansea SA3 5NP

Refused Swansea 2026/1525/PLD Lawful Dev. Cert - Proposed

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Single storey rear extension and alterations to fenestration (application for a Certificate of Proposed Lawful Development)

As published by the council, reference 2026/1525/PLD

Application record

Reference
2026/1525/PLD
Type
Lawful Dev. Cert - Proposed
Status
Decided
Decision
Refused As published: Is Not Lawful (proposed)
Received
18 Sep 2026
Validated
23 Sep 2026
Decided
6 Oct 2026
Ward
West Cross - Bay Area
Parish
Mumbles Community Council
Decision by
Delegated Decision
Postcode
SA3 5NP

Timeline

Dates from the published record

  1. 18 Sep 2026

    Received by Swansea

  2. 23 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Sep 2026

    Added to PlanIndex

  4. 6 Oct 2026

    Decision issued: Is Not Lawful (proposed)

  5. 6 Oct 2026

    Status changed to Awaiting decision

    Previously Being Considered.

Who's behind it

Company information only, from the register and Companies House

DP Architecture Ltd Agent, an architecture practice

124 applications on PlanIndex · across 13 councils · 83% granted

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Documents

Plans, drawings, consultee responses and the officer's report

6 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.

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What this refusal means

Swansea refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 0.3 miles

  • 17 Westland Avenue West Cross Swansea SA3 5NP

    2025/1875/PLD Submitted 2 Sep 2025 50 yards away

    Single storey side extension and replacement rear window with patio style doors (application for a Certificate of proposed Lawful Development)

    Granted Lawful development Extension Windows or glazing 7 docs
    Small domestic

  • 10 Osprey Close West Cross Swansea SA3 5RH

    2021/0351/NMA Submitted 8 Feb 2021 100 yards away

    Single storey side extension - Non Material Amendment to planning permission 2020/2577/FUL dated 02/02/2021 to allow an increase in width of extension and increase in width of rear kitchen french doors.

    Refused Amendments Extension Windows or glazing 6 docs
    Small domestic

  • 156 Westcross Lane West Cross Swansea SA3 5NG

    2021/1080/PLD Submitted 21 Apr 2021 100 yards away

    Use of property as a children's care home for up to 2 children (application for a Certificate of Proposed Lawful Use)

    Granted Lawful development 8 docs

  • 1 Osprey Close West Cross Swansea SA3 5RH

    2019/2532/FUL Submitted 4 Nov 2019 150 yards away

    Single storey side extension

    Granted Full applications Extension 6 docs
    Small domestic

  • 1 Osprey Close West Cross Swansea SA3 5RH

    2021/0024/FUL Submitted 6 Jan 2021 150 yards away

    Detached outbuilding for Holistic Therapy Use

    Granted Full applications 9 docs

  • 140 West Cross Lane West Cross Swansea SA3 5NG

    2019/0996/NMA Submitted 29 Apr 2019 200 yards away

    Non Material Amendment to planning permission 2017/0703/FUL granted 11th May 2017 to allow fenestration alterations to northern elevation of the single storey rear extension

    Granted Amendments Extension Windows or glazing 7 docs
    Small domestic

In Swansea

  • 2026/1645/PLD Awaiting decision

    27 Sycamore Road West Cross Swansea SA3 5LB

    Detached outbuilding (application for a Certificate of Proposed Lawful Development)

    Received 7 Oct, published by the council 9 Oct 2026 Lawful development
  • 2026/1344/ELD Granted

    50 Eversley Road Sketty Swansea SA2 9DA

    Raised deck (application for a Certificate of Existing Lawful Development)

    Received 17 Aug, published by the council 27 Aug 2026 Lawful development
  • 2026/1627/PLD Awaiting decision

    73 Mumbles Road West Cross Swansea SA3 5AA

    Stationing of a caravan to provide ancillary residential accommodation (application for a Certificate of Proposed Lawful Development)

    Received 5 Oct, published by the council 9 Oct 2026 Lawful development
  • 2026/1270/ELD Refused

    188 Hanover Street Swansea SA1 6BP

    Use of property as a HMO (Class C4) (application for a Certificate of Existing Lawful Development)

    Received 4 Aug, published by the council 25 Aug 2026 Lawful development
  • 2026/1607/PLD Awaiting decision

    77A Y Llanerch Pontlliw Swansea SA4 9DR

    Conversion of garage to photography studio (application for a Certificate of Proposed Lawful Development)

    Received 1 Oct, published by the council 6 Oct 2026 Lawful development