According to Money magazine’s 2025 renovation cost guide, a full bathroom renovation involving structural changes can push past $40,000, and a kitchen overhaul with structural work can reach $120,000. Here are the decisions worth getting right before construction begins.
Where the walls go matters more than you think
Structural wall placement determines how a home flows, and spending time across different home designs before committing to a floor plan is the point at which these decisions cost nothing to change. The difference between a layout that feels generous and one that feels divided often comes down to choices made on paper, long before a slab is poured.
Moving a load-bearing wall after the fact requires engineering reports, council permits, and a team of trades working through what was already finished. It is one of the most disruptive and expensive changes possible in an existing home.
Ceiling height is a one-time choice
Most homeowners are surprised by how permanent this decision turns out to be. Raising ceiling height after construction means removing the roof structure entirely, changing the frames, and re-pricing the whole job from scratch. Taller ceilings affect light, ventilation, and how a room feels to live in every day, which makes this one of the few selections that belong at the top of any conversation about building new.Â
The kitchen and bathroom wet areas are set from day one
Plumbing locations are determined before the concrete goes down. Once set, relocating pipes often means jack-hammering through a slab, re-routing drainage, and finishing the whole area from scratch.
Those planning for ageing parents or extended family need to think about bathroom placement across levels and separate entries well before construction begins. Those decisions are exactly what multigenerational home designs are built around from the outset, and they are far easier to get right on paper than to fix in an existing structure.
Natural light depends on which way the house faces
The direction a home faces determines which rooms get morning light, how much passive cooling works in summer, and whether certain spaces feel comfortable year-round. With dual occupancy homes, where two households live within the same footprint, orientation shapes the liveability of both dwellings for the life of the build.
Window placement and eaves depth both follow from that single early decision. Neither is straightforward to revisit once construction is underway.
Thinking about who will live there in ten years
Designing a home around a life that hasn’t changed yet is where most structural regrets begin. The family gets bigger, a parent needs to move in, or remote work shifts from temporary to permanent, and none of those changes are cheap to accommodate after the slab is poured.
The costliest build decisions are rarely about finishes. Getting layout, plumbing, ceiling height, and orientation right before construction starts costs nothing extra to change on paper. Metricon, an award-winning home builder established in 1976, works with buyers from the initial floor plan to make sure these decisions land right the first time.Â
MiNDFOOD promotion
