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Planning application

Alwen Water Treatment Works Pont Yr Alwen To County Boundary Alwen Cerrigydrudion LL21 9TT

Granted Conwy 0/53164 Listed Building Consent

Permission granted. Work must normally begin within five years of the decision or the permission lapses.

Proposal

Create a new concrete lining along both sides of the stilling basin, on top of the exiting stone wall lining. These works will stabilise the stilling basin walls and allow the dam and stilling basin to continue to function as such into the future.(Listed Building Consent)

As published by the council, reference 0/53164

Application record

Reference
0/53164
Type
Listed Building Consent
Status
Granted As published: FINAL DECISION
Decision
Granted As published: Approved With Conditions
Received
27 Nov 2025
Validated
29 Jan 2026
Decided
8 Apr 2026
Ward
Uwch Aled
Parish
Cyngor Cymuned Cerrigydrudion Community Council
Decision by
Case Officer
Postcode
LL21 9TT

Timeline

Dates from the published record

  1. 27 Nov 2025

    Received by Conwy

  2. 29 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 8 Apr 2026

    Decision issued: Approved With Conditions

  4. 7 Aug 2026

    Added to PlanIndex

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.

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What this grant of permission means

Conwy granted permission on 8 April 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 heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

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