Project Castle gives you a complete digital blueprint of your home. Design floor plans, explore them in 3D, plan renovations, and keep every detail — from paint colours to boiler service dates — in one place.
From first homes to forever homes — drag to pan, scroll to zoom
Draw rooms, add doors and windows, then resize and rearrange until it's perfect.
Walk through your home in a full 3D model — walls, floors, roof, and all.
Place furniture, choose flooring, and experiment with colours before you commit.
Track servicing schedules, warranties, and meter readings in one place.
Organise renovations with tasks, timelines, and budget tracking built in.
Build your first home in minutes — completely free, no credit card required.