Best Greenhouses & Cold Frames — Polycarbonate + 1 Year (2026)

1 greenhouses & cold frames matching material “Polycarbonate” + warranty “1 Year”, hand-picked from UK Amazon listings.

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RatingAny rating3★ & up4★ & up4.5★ & upPriceminimum–In stock only

#1 Pick

XEMQENER Walk-in Polycarbonate Greenhouse, 4ft x 6ft

Rated 4.2 out of 5 stars (198)

• Polycarbonate
• Small gardens
• 1 Year

£149.99

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

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