Why is moving a sink so expensive?

Because it means new supply and drainage runs, which usually means opening floors or walls, which means a plumber, possibly a permit, and making good afterwards. Drainage in particular needs correct fall, so it is not simply a matter of extending a pipe.

Is it cheaper to keep the same layout?

Substantially, and it is the single largest saving available in a kitchen. If the existing layout genuinely works, keeping it converts the project from a renovation into a refresh, with a correspondingly different budget.

Where do most kitchen budgets go?

Cabinetry is usually the largest single line, followed by countertops and appliances. But the decision that most changes the total is not any of those — it is whether services move, because that brings other trades, permits and making good into a project that otherwise would not have them.

Costs

What Really Drives Kitchen Cost

Updated July 25, 20262 min read

The short answer

There is one decision that separates two very different kitchen budgets: whether services move. Keeping the sink, range and fridge where they are means a cabinetry-and-finishes project. Moving any of them means plumbing, electrical, possibly gas, likely a permit, and a different order of cost.

Cost drivers in order

Cost drivers in order
Driver	Impact	Note
Moving the sink or range	Very high	Plumbing, gas, permits — the big fork in the road
Removing or moving walls	Very high	Structural, permits, possibly an engineer
Number of cabinets	High	You pay per box, per door, per set of hardware
Drawer banks vs door bases	High	Drawers cost 1.6–2× a door base
Countertop material	High	Wide range; also affects support requirements
Integrated appliances	High	Panels built to spec, longer lead times
Island with services	High	Structural plus plumbing or ventilation
Door style and species	Moderate	Visible but the smaller lever people assume is the big one
Hardware grade	Moderate	Worth spending on
Backsplash and finishes	Moderate	Varies enormously by material

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Keeping a kitchen in the lower band

Keep the services where they are: The single biggest cost decision. A refresh in the existing layout is a fundamentally different project.
Fewer, larger cabinets: Two 900mm units cost less than three 600mm units of the same width.
Freestanding rather than integrated appliances: No panels to build, shorter lead times, lower appliance cost.
A simple door style: Plain Shaker or slab. Ages well and costs less than raised panel or fluted.
Consider refacing: If the boxes are sound plywood and the layout works, this is the biggest saving available.
Laminate counters over plywood boxes: Better than stone counters over particleboard, if the budget forces a choice.

Answers

Frequently asked questions

Why is moving a sink so expensive?: Because it means new supply and drainage runs, which usually means opening floors or walls, which means a plumber, possibly a permit, and making good afterwards. Drainage in particular needs correct fall, so it is not simply a matter of extending a pipe.
Is it cheaper to keep the same layout?: Substantially, and it is the single largest saving available in a kitchen. If the existing layout genuinely works, keeping it converts the project from a renovation into a refresh, with a correspondingly different budget.
Where do most kitchen budgets go?: Cabinetry is usually the largest single line, followed by countertops and appliances. But the decision that most changes the total is not any of those — it is whether services move, because that brings other trades, permits and making good into a project that otherwise would not have them.

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