Cheltenham 9.ft Wide Cedar GreenhouseDESCRIPTION Discover our premium collection of Alton wooden greenhouses, proudly crafted for over 100 years. With a rich heritage dating back to 1921, Alton is renowned for its Victorian greenhouse designs and heavy duty greenhouses made from red cedar wood frames. Combining timeless craftsmanship with modern innovations like toughened safety glass and advanced ventilation systems, these wood frame greenhouses offer superior insulation and stability.