Garden house 4 x 3 m

A garden house of 4 by 3 metres (12 m2). The highest point is about 2.9 m. Below you see the indicative material price per variant.

Area
12 m²
Height
2.9 m
Self-build time
about 56 to 100 hours
With a contractor (materials + labour)
€5,945 – €8,306

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Garden house 4 x 3 m

Compare variants

VariantMaterial price (P50)RangeOpen in configurator
EPDM roof Base variant €4,196 €3,640 – €4,752 Open in configurator
Sedum roof €5,196 €4,459 – €5,932 Open in configurator

All amounts are indicative, incl. 21% VAT, as of 26 October 2026. Not a quote.

Indicative drawing

Indicative drawing: Garden house 4 x 3 m

Indicative check

  • Floor joists 45x95 mm at 400 mm centres, span 1.35 m: utilisation 33% (indicative).
  • Bearers 70x145 mm, span 1.23 m: utilisation 28% (indicative).
  • Clear height at the door 2.05 m.
  • Studs 45x70 mm at 600 mm centres: utilisation 15% (indicative).
  • Rafters 45x120 mm at 600 mm centres, span 3.03 m: utilisation 84% (indicative).
  • Foundation: 12 concrete piers of about 30 x 30 cm; uplift 0.8 kN per point.
  • Wind anchorage is needed at 12 points; have the execution reviewed by a tradesperson.

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