Garden — Greenhouses & Cold Frames (2026)

Pros

• Shatterproof polycarbonate panels with over 90% light transmission
• Rust-resistant aluminium frame with galvanised steel base
• Sliding door and roof vent for airflow

Cons

• Assembly takes a full weekend for two people

Pros

• Wooden frame with polycarbonate glazing
• Great for hardening off seedlings
• Compact footprint for patios

Cons

• Not tall enough for mature plants

Pros

• Toughened safety glass throughout
• Smooth-action sliding door and air vent for airflow
• Curved eaves add extra headroom

Cons

• Higher price
• Requires a solid, level base

Pros

• Reinforced weatherproof PVC cover
• Roll-up zip door for easy access
• Tool-free assembly, ideal for patios

Cons

• Less sturdy than a full-size greenhouse
• Cover needs replacing after a few seasons

Pros

• Galvanised steel frame for durability
• Roll-up door and mesh windows for ventilation
• Walk-in height suits full-size crops

Cons

• PE cover less durable than polycarbonate or glass long-term

Pros

• Sized to fit standard growbags
• Sturdy tubular steel frame with PVC cover
• Roll-up zipped door for ventilation

Cons

• Best suited to patios rather than full-size crops

Pros

• Polycarbonate roof panels diffuse light evenly
• Clear side panels for maximum visibility
• Rust-resistant aluminium frame

Cons

• Assembly takes a full day for two people

Pros

• Robust aluminium frame with polycarbonate glazing
• Twin sliding doors for wide access
• Integrated gutters for rainwater collection

Cons

• Needs a level, prepared base before assembly

Pros

• 10mm twin-wall virtually unbreakable panels
• Integrated gutters and automatic vent opener
• Generous 8x12ft growing space

Cons

• Large structure requires significant assembly time and a prepared base

Pros

• Affordable entry point into greenhouse growing
• Anodised aluminium frame resists corrosion
• Twin roof vents for ventilation

Cons

• Smaller/lighter-duty build than premium branded greenhouses, less wind-resistant

Pros

• Tool-free push-n-fit resin connector assembly
• UV-resistant polycarbonate panels resist yellowing
• Large footprint suits serious growers

Cons

• Significant assembly time for a structure this size

Pros

• Includes base and a range of growing accessories
• Twin-wall polycarbonate diffuses light evenly
• Sturdy resin frame resists corrosion

Cons

• Higher price than an entry-level hobby greenhouse

Pros

• Compact 4-tier design suits patios and balconies
• Clear PVC cover lets in plenty of light
• Roll-up door for easy access and ventilation

Cons

• Lightweight frame less stable in strong winds

Pros

• Heavy-duty 1.6mm profile aluminium frame
• 10mm twin-wall polycarbonate insulates well through UK winters
• Barn-style roofline adds extra headroom

Cons

• Significant investment and assembly time

Pros

• Aluminium frame with polycarbonate glazing resists corrosion
• Sliding door and two windows for ventilation
• Walk-in size suits growing a full range of crops

Cons

• Assembly takes a full day for two people

Pros

• Horticultural glass gives excellent light transmission
• Green-painted aluminium frame adds a traditional look
• Sturdy build suited to permanent placement

Cons

• Glass panels are more fragile than polycarbonate during transport and assembly

Pros

• Includes integrated raised bed for direct planting
• Aluminium frame with temperature-controlled window
• Steel foundation base included

Cons

• Assembly takes a full weekend for two people

Pros

• 4mm polycarbonate panels block harmful UV rays
• Aluminium frame with sliding door and vent window
• Compact footprint for smaller plots

Cons

• Base not included on this version

Pros

• 10mm thick UV-resistant double wall panels
• Extra-large door with floor ramp for easy access
• Roof window with automatic opener for ventilation

Cons

• Higher price than standard hobby greenhouses

Pros

• Affordable entry point into full-size greenhouses
• Resin frame resists rust and rot
• Reinforced polyethylene cover lets in plenty of light

Cons

• Cover less durable long-term than polycarbonate or glass

Pros

• Rust-resistant aluminium frame
• Polycarbonate blocks 99% of harmful UV rays
• Opening roof vent for ventilation control

Cons

• Base anchoring recommended in exposed spots

Pros

• Larger 6x10 footprint suits keen growers
• Galvanised steel base included
• High eaves give extra headroom

Cons

• Needs two people to assemble

Pros

• Polycarbonate walls protect plants from UV while diffusing light
• Rust-resistant aluminium frame on galvanized steel base
• 5-year manufacturer warranty

Cons

• Assembly is a two-person job and takes several hours

Pros

• Four deep shelves for pots and seed trays
• No-tool push-fit steel frame assembly
• Roll-up zippered door for easy access

Cons

• PE cover is less durable than polycarbonate panels

Pros

• Rust-resistant aluminium frame for long life
• Crystal-clear polycarbonate side walls diffuse sunlight
• 5-year manufacturer warranty

Cons

• Base anchoring recommended in exposed, windy gardens

Pros

• Lean-to design fits neatly against a wall or fence
• Ideal for smaller backyards, patios and balconies
• Virtually unbreakable polycarbonate panels

Cons

• Needs a suitable wall for mounting

Pros

• 4 tiers maximise growing space inside a greenhouse or shed
• Powder-coated steel resists rust in humid conditions
• Tool-free assembly with push-fit connectors

Cons

• Each shelf has a modest 10kg weight limit