Sydney bathroom renovation cost calculator, 2026.
6 inputs, live cost range, Sydney-specific. Estimates reflect current network data across more than 500 Sydney bathroom projects so you walk into your quotes with a confident number in mind.
Rough floor-plan size in square metres.
Full strip-out, mid-tier fittings, Caesarstone tops
Supply rate per square metre
Taps, showerhead, toilet, basin, accessories
Moving a soil stack is the biggest single cost driver.
Sydney pre-1987 homes often have asbestos in sheet walls.
Estimated Sydney cost
$27,500 - $36,000
Typical 2026 Sydney range for this configuration. Actual quotes vary by renovator, availability, and site conditions.
Based on 2026 Sydney network data. Does not include council or certifier fees, temporary bathroom facilities, or post-demolition substrate surprises. See our detailed cost guides for line-by-line breakdowns.
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The 6 variables that decide Sydney bathroom cost.
Every Sydney bathroom quote you receive is built from these 6 inputs. Getting honest about them up front is the fastest way to avoid quote shock and scope variation surprises mid-build.
Bathroom size
Small bathrooms cost more per square metre, not less. Fixed costs (waterproofing cure, plumbing connections) do not scale down.
Scope of work
Makeover, partial renovation, full renovation, premium, or luxury. Each band has its own baseline and ceiling.
Tile quality
Stock ceramic to imported stone swings the tile line item by 10x per square metre.
Fixture tier
Stock Bunnings-grade tapware is ~$400; imported European tapware is ~$8,500 for the same set.
Layout changes
Moving a soil stack adds $3,500 to $6,200 and extends the build by a week.
Home age
Pre-1987 Sydney homes often contain asbestos in wet-area sheet walls and require a licensed remediation pathway.
Questions about the Sydney cost calculator.
How accurate is this bathroom renovation cost calculator for Sydney?+
The estimate range reflects 2026 Sydney network quote data across more than 500 recent bathroom projects. It does not account for hidden substrate surprises (failed waterproofing, rotten floor joists, asbestos under tile) which only surface after demolition. Expect the low end of the range if the home is post-2000 and nothing unusual is found; expect the high end if the home is pre-1987 or the scope grows once the walls come down.
Why is the spread between low and high so wide?+
Sydney bathroom quotes routinely span 30 to 60% between the cheapest and most expensive even for the same spec. That comes down to labour rates, material markup, contingency allowance, and inclusions. Our calculator reflects this real spread rather than pretending a single number is accurate.
Does the estimate include council consent fees?+
No. Most Sydney bathroom renovations are exempt or complying development under SEPP, but major layout changes (moving walls, relocating soil stacks) and strata properties can trigger formal approval. If council or private certifier approval is needed, add $600 to $1,800 for fees plus $1,200 to $3,200 for certifier review.
What is the cheapest useful bathroom renovation budget in Sydney?+
$17,000 to $21,000 covers a partial renovation with new waterproofing, stock-tier fittings, and standard ceramic tile in a small bathroom under 5sqm. Anything below $14,000 is a cosmetic makeover, not a renovation.
What is the most common Sydney bathroom renovation budget?+
$28,000 to $40,000 is the most common band. That covers a full strip-out, new waterproofing, mid-tier porcelain tile, a Caesarstone-topped vanity, and quality tapware for a 6 to 8 square metre main bathroom.
How much should I add for unforeseen costs?+
Budget 8 to 12% contingency on top of any quoted figure. Sydney renovators typically bake 5% into the quote; another 5% on your side covers post-demolition surprises, rescheduling, and scope creep from you (most commonly: 'while the walls are open, let us also upgrade the plumbing to the kitchen').
Match your estimate with real Sydney quotes.
Three pre-vetted renovators. Fixed-price written quotes. No obligation.