Greenhouse 3 x 4 m
A greenhouse of 3 by 4 metres (12 m2). The highest point is about 2.5 m. Below you see the indicative material price per variant.
- Area
- 12 m²
- Height
- 2.5 m
- Self-build time
- about 33 to 59 hours
- With a contractor (materials + labour)
- €4,603 – €6,584
Compare variants
| Variant | Material price (P50) | Range | Open in configurator |
|---|---|---|---|
| Toughened glass Base variant | €3,861 | €3,240 – €4,482 | Open in configurator |
| Polycarbonate 6 mm | €2,603 | €2,220 – €2,985 | Open in configurator |
All amounts are indicative, incl. 21% VAT, as of 26 October 2026. Not a quote.
Indicative drawing
Indicative check
- Rafters 40x60 mm at 800 mm centres, span 1.66 m: utilisation 64% (indicative).
- Posts/columns 40x40 mm, height 1.7 m: utilisation 11% (buckling, indicative).
- Glass size about 0.77 x 1.62 m.
- Foundation: 8 concrete piers of about 35 x 35 cm; uplift 1.6 kN per point.
- Wind anchorage is needed at 8 points; have the execution reviewed by a tradesperson.
- Use tempered or laminated safety glass wherever broken glass could cause injury.