The BillyOh Petra reverse apex summerhouse is a great companion during the summer months and provides a cosy, relaxing space throughout the rest of the year. The large windows and glazed doors fill the comfortable interior with natural light, creating an ideal place to relax or entertain. Available in 6 different sizes, all constructed from strong tongue & groove panelling and with customisable door placement. Petra Tongue and Groove Reverse Apex Summerhouse - Wooden / 16x10 ft / No