Shed Material Calculator
Know exactly what to buy before you start. Set your shed's size and get a computed material list — cladding area, framing timber in metres, roof area and estimated weight — generated by the same bill-of-materials engine as our full 3D planner.
Size your shed and see the numbers
Drag the sliders — the cost and materials update live from the same bill-of-materials engine that builds your full plan.
- Cladding area
- 25.7 m²
- Framing timber
- 134.4 m
- Roof / ceiling area
- 6 m²
- Estimated weight
- ~1,213 kg
An estimate from the live bill of materials — a planning guide, not a quote. Open the planner for the full breakdown, cut list and assembly guide.
How the estimate is calculated
Real geometry, not a rate
We build the timber frame, cladding layout and roof for your exact dimensions, then price each part — so the total reflects real quantities, not a flat price per square metre.
A full bill of materials
Every estimate breaks down into cladding, framing timber, roofing, fixings, foundation and finishing — the same categories you'd take to a merchant.
Honest, adjustable numbers
Figures are material estimates that vary with your choices and finish. Change any option in the 3D planner and the cost, cut list and weight update instantly.
Shed sizes & costs
Jump to a common footprint for a full computed cost, material list and FAQ — then open it in the planner.
Popular shed uses
Prefer to start from what you'll use it for? Each use has a recommended size and a computed cost.
Frequently asked questions
What does the shed material calculator work out?
It computes the key quantities for your size: cladding area, framing timber in linear metres (including waste), wall and roof areas, and an estimated material weight. The full planner expands this into an itemised bill of materials with every part and quantity.
Does it include a cutting list?
The calculator shows the headline quantities; the optimised cut list — how to cut your timber to minimise offcuts — is generated in the 3D planner, along with the full bill of materials and assembly guide.
Can I change materials?
Yes. This estimate uses a WPC-clad, timber-framed default. In the planner you can switch cladding, framing sections, roof and foundation, and the material list and quantities update live.
Get the full material list
Open the 3D planner for the complete, itemised bill of materials — every plank, sheet, fixing and litre — with an optimised cut list you can take to the merchant.
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