Walk-in Greenhouses

A walk-in greenhouse is the proper full-height greenhouse rather than the compact mini-greenhouse format: 1.8-2.2m tall internal headroom, full walking access, and bench/shelving space for serious propagation and year-round growing. Aosom UK, Buy Sheds Direct and Cheap Furniture Warehouse between them stock 450+ walk-in greenhouses covering £16-£2,649. Two main constructions split the category: PE-cover walk-in greenhouses (zip-up plastic sheeting over a steel frame, seasonal use, £30-£200) and aluminium-framed glass or polycarbonate greenhouses (year-round use, 6x4 to 10x8 footprints, £400-£2,500). Plastic-sheet covers last 1-3 seasons before UV degrades them; reinforced fabric covers last 5+ years. Glazing for the framed format: horticultural glass (long life, breaks in hailstorms), toughened safety glass (mid-tier), polycarbonate (lightest, lasts 15-20 years). Most walk-in greenhouses need a level base, concrete pad, paving slabs, or a raised wood plinth. Filter by size, glazing and frame in the grid below.