The greenhouse in the country: do with their hands out of PVC pipe. Detailed instructions with diagrams for the greenhouse of plastic pipes. Two variants of the greenhouse: one entirely of PVC pipe, the other of the pipes on a wooden frame.
Greenhouse guide: 13 incredibly useful tips. If you want the luxury of an in-greenhouse mains supply, some plumbing is needed. A greenhouse roof harvests a surprising volume of rainwater, so store it in butts. Watering techniques range from devotional use of a watering can to a semi-automatic system if you’re away from home a lot.- Telegraph