Great value new and used doors and windows on sale in Northern ...Explore a fantastic collection of new and used windows and doors on sale in Northern Ireland. Search Gumtree's ... solid maghony front door with oval double glazed glass. all with brass fittings and lock. ... Unused double glazed wooden window ... 47”w x 40 1/2” with obscure glass Can be delivered & fitted at extra cost. ￡50.