<|start_header_id|>assistant<|end_header_id|> Here is a summary of the property description in a single paragraph: A unique opportunity to transform a former dynamite/gun powder store into a one-bedroom self-catered holiday let and new build bat roost/log store, situated within the Pembrokeshire Coast National Park. Planning permission has been granted by the Pembrokeshire Coast National Park Authority for the conversion and extension of the property. The property is located in a scenic area, with services understood to be available in the vicinity. The local authority is the Pembrokeshire Coast National Park Authority, based at Llanion Park in Pembroke Dock.