Garden arch | Garden Building & Decoration for Sale - GumtreeFind a garden arch on Gumtree, the #1 site for garden Building & Decoration for sale classifieds ads in the UK. ... garden arch. Gosport, Hampshire. garden Arch in treated timber . brand new and unused already assembled too ! 7ft high x 45inch wide .side trellis panels .. comes with metal spikes if needed for grass area or can post crete in ground. This item .... wooden garden gate, arched, height 29.5 inch sides top 35.25 inch, 36.25 inches wide, unused, only £20.00 (New £56.99).