Deck calculator
Choose a shape, enter dimensions and select your boards. Check the design in 3D and see an indicative material price as you go.
Drag a corner or tap a dimension to change it. Add an extra corner in the edge panel.
Step 1 of 5
1 · Shape and dimensions
10 cm grid · dimensions in metresEnter dimensions — the shape remains rectangular. For a custom shape, disable “Keep right angles” above the sketch, then drag its corners.
From ground level to the top of the boards — the entire structure, including joists and boards. For example, if the door threshold is 30 cm above ground, enter 30.
Where is the house?
We have assumed that the side marked HOUSE adjoins the building. You can change this or choose a freestanding deck.
Mark the deck sides adjoining a building wall. We will show the house in 3D and omit cladding along the wall.
House along sides: 1.
Your design
- Area
- 15 m²
- Height
- 30 cm
- Position
- Adjoining the house
- Side cladding
- Sides: 3
DUO 23×148 · Chocolate
Wood grain up
composite joists
What does the estimate include?
Boards28 pcs€875.84
- 22 pcs × 5.0 m (including waste allowance: +2)DUO composite decking board 23x148 - 5.0 m · Chocolate€718.96
- 4 pcs × 3.5 mDUO composite decking board 23x148 - 3.5 m · Chocolate€91.52
- 2 pcs × 5.0 mDUO composite decking board 23x148 - 5.0 m · Chocolate€65.36
Joists25 pcs€425.25
- 20 pcs × 4.0 m (including waste allowance: +2)SELECT composite decking joist 30x40 (graphite) - 4 m€340.20
- 5 pcs × 4.0 m (including waste allowance: +1)SELECT composite decking joist 30x40 (graphite) - 4 m€85.05
Clips and screws25 pcs€175.55
- 20 pcsStarter fixing clip for composite decking boards + screw€6.80
- 5 packsPLASTIC fixing clip + screw (100 pcs.) · DUO€168.75
Finishing trims3 pcs€37.41
- 3 pcsDUO composite angle trim 60x40x4000 · Chocolate€37.41
The 7% allowance for cuts is already included in the decking and joists. The fascia, steps, fixing clips and trims are calculated without an allowance.