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 Your email address Dezeen Weekly Our most popular newsletter. Sent every Monday and featuring a selection of the best reader comments and most talked-about stories. Plus occasional updates and breaking news. Dezeen Daily A daily newsletter containing the latest stories from Dezeen. Dezeen Jobs Daily updates on the latest design and architecture vacancies advertised on Dezeen Jobs. Plus occasional updates. Dezeen Awards News about our Dezeen Awards programme, including entry deadlines and announcements. Plus occasional updates. 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.