The pricing is in regards to what the package includes, with 3 options available, and it's not based on the size of the garden or features that you require in order form.
£450
Design of any size garden, 3D model & Concept plan-showing layout, materials & planting
£650
Design of any size garden, 3D model & CAD plan with technical specs for builders, material. revision
£850
Design of any size garden, 3D model, Planting Plan, CAD plan with technical specs for builder, material. Revision. Building guidance
All packages include full design of any size garden, 3D visuals and start of project consultation.