Gwynedd拥有威尔士能源效率低下家庭比例最高的新数据。 Gwynedd has Wales' highest share of energy-inefficient homes, new data shows.

根据新的数据,Gwynedd在威尔士的节能住房中所占比例最高,这突出表明了在改善全区域住房能源绩效方面持续存在的挑战。 Gwynedd has the highest proportion of energy-inefficient homes in Wales, according to new data, highlighting ongoing challenges in improving housing energy performance across the region.