想翻新bathroom,怎样选靠谱的builder呢

厕所浴室要翻新装修,之前遇过cowboy builder,怕了,所以这次想要好好的选!求大家经验推荐!我家的bathroom不大,放了浴缸,洗手台,马桶,约剩一平米空位吧,报价大概多少会合理呢?

什么位置啊?

东北部呢

I think there is a recommended one in powerapple?