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Welsh Slate Museum, Gilfach Ddu, Llanberis, Caernarfon, Gwynedd, LL55 4TY

C26/0139/18/LLFull PlanningApproved
Full

Approved

Council decision: Approved with Conditions

Approximate location: the centre of the postcode, not the exact property.

Proposal

Gosod isbwerdy drydan a chyfansoddyn storio sgip gwastraff ynghyd â’r gwaith cysylltiedig / Installation of an electric sub-station and waste skip store compound and associated works

Received
2 March 2026
Ward
Deiniolen
  1. Received2 Mar
  2. Validated
  3. Consult.7 Apr
  4. Target
  5. Decided

About this application

This is a full planning application at Welsh Slate Museum, Gilfach Ddu, Llanberis, Caernarfon, Gwynedd, LL55 4TY. Gwynedd has handled 2,991 applications of this type. It has been with the council since 2 March 2026 and is still awaiting a decision. There has been 1 other application at this address. In the past year there have been 16 applications across Deiniolen. We hold 718 applications in total for the LL55 postcode area.

89% of full applications at Gwynedd Council were approved. Across all application types, the council typically decides in about 13 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
LL55 4TY
Application type
Full Planning

Planning application dates

Validated
2 March 2026
Consultation expiry
7 April 2026
Consultation end
7 April 2026

Planning decision

Decision
Approved with Conditions

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Source: Gwynedd

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