Build cost calculator
Know what it'll cost.
Before you cut.
Editable line-by-line budget across 10 build categories. Quantities, prices and contingency are all yours to tune – defaults are indicative UK 2026 prices. Create a free account to save it.
Total estimated cost
£23,392
Subtotal£20,341
Contingency · 15%£3,051
What you'll get
43 editable line items across 10 build categories, contingency slider, save snapshot per user, CSV export — included in the Builder Pack.
Builder Pack · Calculator
Unlock the calculator section
Sign in to view your access. Free tier still covers the planner, toolkit, glossary & FAQ.
Builder Pack includes
- All 14 build guides
- All technical schematics
- UK & EU regulations library
- Build cost calculator (save + CSV)
£19.99one-time · lifetime
No subscription · no recurring fees
Free tier · Planner · Toolkit · Glossary · FAQ