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A garden office with sliding doors does two things well - it floods the interior with natural light and keeps the footprint compact. Bifold alternatives swing outward and eat into usable floor space. Sliding doors don't.
Most quality builds use pressure-treated timber frames with tongue-and-groove cladding. This matters because untreated timber warps within a few seasons. Look for double-glazed sliding door units with low-E glass if you plan to work year-round - it makes a real difference to heat retention in winter.
Insulation is where cheaper garden rooms fall short. A properly insulated garden office should have at least 50mm of rigid insulation in the walls and roof. That keeps it usable as a home office space in January not just July.
Sizing is straightforward. A 3m x 3m room fits a desk and storage comfortably for one person. Go to 4m x 3m if you need a meeting area or a dedicated office pod feel with room to move.
Maintenance is minimal with treated cladding - a coat of exterior wood stain every two to three years is typically enough to keep everything looking sharp and protected.
