Best Greenhouses & Cold Frames UK (2026) — Page 3
Glass, polycarbonate and mini greenhouses for growing in the UK climate.
Read our full Best Greenhouse UK (2026) guide.
£34.99
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

#14 Pick
Grandio Elite 8x8 Greenhouse Kit, 10mm Twin-Wall PolycarbonateRated 4.5 out of 5 stars (60)
- Polycarbonate
- Serious/large-scale growing
- 10 Years
£1899.00
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

#15 Pick
GARDEBRUK 'Sunlight' 6 x 8ft Polycarbonate Greenhouse with Slide Door and 2 WindowsRated 4.1 out of 5 stars (132)
- Polycarbonate
- Large gardens
- 2 Years
£289.99
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

#16 Pick
Venus 5000 Green Aluminium Greenhouse, 6ft x 8ft, Horticultural GlassRated 4.2 out of 5 stars (84)
- Glass
- Small gardens
- 10 Years
£429.00
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