Dezeen's A-Zdvent calendar: PC House by XVA Share: Xanthia Hallissey | 16 December 2012 Leave a comment Today's addition to our daily A-Zdvent calendar is a renovated summerhouse in Spain with a spiral staircase leading to the roof. Read more about PC House » Read more: Houses A-Zdvent calendar 2012 Residential Architecture Subscribe to our newsletters Dezeen Daily Dezeen Weekly Dezeen Daily is sent every day and contains all the latest stories from Dezeen. Dezeen Weekly is a curated newsletter that is sent every Thursday, containing highlights from Dezeen. Dezeen Weekly subscribers will also receive occasional updates about events, competitions and breaking news. We will only use your email address to send you the newsletters you have requested. We will never give your details to anyone else without your consent. You can unsubscribe at any time by clicking on the unsubscribe link at the bottom of every email, or by emailing us at email@example.com. For more details, please see our privacy notice. Thank you! You will shortly receive a welcome email so please check your inbox. You can unsubscribe at any time by clicking the link at the bottom of every newsletter.