Nant Cwmbran Isaf farm near Nasareth (post-extension). Handout photo by Alun Lewis, free to use by all LDRS partners. A Gwynedd farmer who was ordered by a national park to tear down an extension he built to house his sick mother is seeking a last minute reprieve with Welsh Government-appointed inspectors. According to Alun Lewis, the work was carried out to help the family care for his elderly mother after she suffered a stroke and was subsequently diagnosed with dementia. But with the Snowdonia National Park Authority having turned down his bid to retain the recently built two storey side extension at Nant Cwmbran Isaf farm near Nasareth, Mr Lewis is now seeking a last minute reprieve with the Planning Inspectorate to stop it being demolished.