The cost of designing a residence is not determined by floor area alone. Area provides a starting point, but the real structure of the fee reflects the scope of work, level of detail, degree of individualisation and support required during implementation.
Area is only one variable
A large but architecturally simple house may require less development per square metre than a smaller property containing complex heritage conditions, specialist lighting or extensive custom joinery.
The character of the spaces
Representative rooms, spa areas, complex kitchens and multi-room suites involve more disciplines and decisions than secondary spaces. The number of unique design situations matters more than a room count alone.
Detail and individualisation
Custom furniture, stone, metalwork and integrated technology require design development, samples and coordination with manufacturers. Their value lies in precision, but that precision increases the professional work involved.
Technical documentation
Concept images communicate direction; technical drawings make the design buildable. A comprehensive package may cover partitions, ceilings, lighting, electrical layouts, finishes, joinery and bespoke details.
Implementation and client involvement
Site visits, author’s supervision, procurement support and delivery coordination add responsibility. Conversely, a client who manages these areas directly may choose a narrower service. The appropriate fee follows the agreed division of work.
Summary
Residential interior design should be priced against complexity, deliverables and responsibility. A transparent scope allows the client to understand not only the fee, but also which risks and tasks remain on their side.
Frequently asked questions
Does a larger house always cost more to design?
Usually in total, but not necessarily at the same rate per square metre; complexity can matter more than area.
Can the scope be limited?
Yes, provided the remaining responsibilities are clearly allocated and the project stays coherent.
Is technical design necessary?
It is essential when contractors are expected to build custom and coordinated solutions accurately.
If you are planning a residence, large private home or high-end apartment and want the interior to grow from one coherent architectural idea, explore our interior design services or contact Wolski Studio.
The projects are led by interior architect Grzegorz Wolski.