How Much Does a Bathroom Renovation Cost in Sydney?

If you're planning a bathroom renovation in Sydney, one of the first questions you're likely to ask is:

How much is my bathroom renovation actually going to cost?

It's an important question, but there isn't one single price that applies to every bathroom.

The final cost of a bathroom renovation depends on the size and condition of the existing bathroom, whether you're changing the layout, the fixtures and finishes you select, and exactly what is included in your renovation quote.

As a broad planning guide, a professionally completed bathroom renovation in Sydney will generally require an investment in the tens of thousands of dollars, rather than a few thousand dollars.

But the figure at the bottom of the quote isn't the only thing you should consider.

At Block Bathrooms & Kitchens, we believe one of the most important questions is:

What are you actually getting for your money?

Bathroom Renovation Costs in Sydney: A General Guide

Bathroom renovation costs can vary significantly depending on the scope of the project.

As a general planning guide, bathroom renovations can be divided into several categories:

These figures should be treated as general market planning ranges, not as a Block Bathrooms & Kitchens price list.

The only reliable way to determine the cost of your bathroom renovation is to assess the actual room, understand the scope of work and develop a detailed quote.

Cosmetic Bathroom Upgrade: Approximately $5,000–$15,000

A cosmetic bathroom upgrade is usually very different from a complete strip-out and rebuild.

This type of project may work when the bathroom is fundamentally sound but simply looks dated.

A cosmetic upgrade may involve replacing selected items such as:

• Tapware
• Vanity
• Mirror
• Lighting
• Shower fittings
• Accessories
• Paint finishes
• Minor surface finishes

In most cases, the existing bathroom layout, plumbing, waterproofing and major structural elements remain largely untouched.

Standard Complete Bathroom Renovation: Approximately $20,000–$35,000

This is where most Sydney homeowners begin talking about a genuine complete bathroom renovation.

A full bathroom renovation may involve:

• Demolition and removal of the existing bathroom
• Plumbing work
• Electrical work
• Carpentry and wall preparation
• Floor preparation
• Waterproofing
• Floor and wall tiling
• New vanity
• New toilet
• New shower fittings
• Tapware
• Shower screen
• Lighting
• Accessories
• Painting and finishing
• Rubbish removal
• Project management

The final cost will depend heavily on the individual bathroom, the scope of work and the products selected.

Premium Bathroom Renovation: $35,000–$60,000+

Premium bathroom renovations generally involve more customisation, higher-specification products or a more complicated construction scope.

A premium bathroom could include:

• Floor-to-ceiling premium tiles
• Custom bathroom cabinetry
• Stone vanity surfaces
• Custom frameless shower screens
• Freestanding baths
• Designer tapware
• Feature lighting
• Built-in shower niches
• Underfloor heating
• Significant plumbing relocation
• Major layout changes
• Structural alterations

Once extensive customisation or significant building work is involved, bathroom renovation costs can increase quickly.

What Affects the Cost of a Bathroom Renovation?

Two bathrooms that are exactly the same size can still have very different renovation costs.

The price is influenced by far more than the number of square metres.

Some of the biggest cost factors include:

• The existing bathroom layout
• The condition behind the walls and floor
• Plumbing relocation
• Electrical upgrades
• Waterproofing requirements
• Tile choice and installation complexity
• Fixtures and fittings
• Custom cabinetry
• Shower screen requirements
• Structural work
• Overall quality of finishes

1. Your Existing Bathroom Layout

Keeping your toilet, shower, vanity and drainage points in similar positions can often reduce the amount of plumbing and building work required.

However, if the existing bathroom has a poor layout, redesigning the room may provide a far better long-term result.

Layout changes can require additional:

• Plumbing
• Drainage work
• Electrical work
• Wall alterations
• Floor preparation
• Carpentry

That additional work can affect both the price and the timeline.

2. What Is Behind the Walls?

One of the challenges of renovating an existing bathroom is that you can't always see what's happening behind the tiles and walls before demolition begins.

Older bathrooms can sometimes reveal:

• Water damage
• Rotting timber
• Damaged flooring
• Failed waterproofing
• Old plumbing
• Uneven walls
• Previous poor-quality renovation work
• Inadequate structural support

These issues may need to be corrected before the new bathroom can be installed properly.

3. Waterproofing

Waterproofing is one of the most important parts of any bathroom renovation.

It's also one of the worst places to cut corners.

Once the bathroom is finished, the waterproofing membrane sits underneath the tiles, cabinetry, shower screen and fixtures.

If the waterproofing fails, fixing the problem may require significant sections of the bathroom to be removed and rebuilt.

At Block Bathrooms & Kitchens, waterproofing is treated as a critical part of the renovation process, not as an optional extra.

Proper preparation and compliant waterproofing help protect both your bathroom and the surrounding areas of your home.

4. Tiles and Tiling

Tiles can have a substantial impact on your bathroom renovation budget.

However, it isn't simply the cost of the tile itself that matters.

Tiling costs can be affected by:

• Tile size
• Tile pattern
• Floor-to-ceiling tiling
• Feature walls
• Built-in niches
• Mitred tile edges
• Surface preparation
• Bathroom shape
• Installation complexity

An inexpensive tile installed in a complicated pattern may sometimes cost more in labour than a more expensive tile installed in a straightforward layout.

5. Bathroom Fixtures and Fittings

Fixtures and fittings can range from practical, good-quality products through to premium designer items.

These include:

• Toilets
• Vanities
• Basins
• Tapware
• Bathtubs
• Shower systems
• Mirrors
• Heated towel rails
• Shower screens
• Bathroom accessories

This is one of the easiest areas for renovation budgets to grow.

The goal should be to choose products that suit your design, lifestyle and overall renovation budget without sacrificing quality where it matters.

6. Custom Cabinetry and Bathroom Storage

Lack of storage is one of the most common complaints homeowners have about their existing bathrooms.

A simple off-the-shelf vanity will generally cost less than custom cabinetry.

However, a well-designed custom vanity can make much better use of an awkward or compact bathroom.

Consider whether you need:

• Deep vanity drawers
• Shaving cabinets
• Recessed storage
• Built-in niches
• Tall storage cabinets
• Custom joinery

The best bathroom storage should be designed around how the room will actually be used.

7. Plumbing and Electrical Work

Bathroom renovations require several different skilled trades working in the correct sequence.

Depending on the project, this can involve:

• Plumbers
• Electricians
• Carpenters
• Waterproofers
• Tilers
• Plasterers
• Painters
• Joiners
• Stonemasons
• Glaziers

The more plumbing and electrical infrastructure that needs to be relocated or upgraded, the greater the potential impact on your bathroom renovation budget.

This is also why professional project management is so important.

Why Can Two Bathroom Renovation Quotes Be Thousands of Dollars Apart?

This is one of the most important things to understand when comparing bathroom renovators in Sydney.

Imagine receiving two bathroom renovation quotes:

But what if Quote A excludes several essential items that Quote B includes?

Potential exclusions could include:

• Rubbish removal
• Shower screen
• Waterproofing documentation
• Wall preparation
• Electrical relocation
• Plumbing alterations
• Fixtures and fittings
• Finishing work
• Project management

Suddenly, the cheaper quote may not be cheaper at all.

Beware of Bathroom Renovation “From” Prices

You've probably seen advertisements promoting complete bathrooms from extremely low starting prices.

There isn't necessarily anything wrong with advertising a starting price.

But homeowners need to understand exactly what assumptions sit behind that figure.

Before comparing a low advertised price, ask whether it includes:

• Demolition
• Waste removal
• Plumbing
• Electrical work
• Waterproofing
• Tiling
• Tiles
• Toilet
• Vanity
• Tapware
• Shower fittings
• Shower screen
• Painting
• Project management
• Finishing work

If several major items aren't included, you may not be comparing equivalent bathroom renovations.

How Can You Control Your Bathroom Renovation Budget?

There are several practical ways to control bathroom renovation costs without compromising the quality of the finished project.

Keep the Layout Practical

Moving every plumbing point isn't always necessary.

If the existing layout works well, retaining key services in similar locations may allow more of the budget to be directed towards finishes, storage and fixtures.

However, a poor layout shouldn't automatically be retained purely to save money.

Set Your Budget Before Selecting Products

It's very easy to fall in love with expensive tapware, tiles, vanities or freestanding baths before understanding the total project cost.

Establish your overall renovation budget first.

Then allocate sensible allowances across each part of the project.

Prioritise Workmanship

Beautiful tiles and expensive tapware won't compensate for poor preparation, waterproofing or plumbing.

Invest first in the work you won't be able to see once the renovation is complete.

Choose Products for Long-Term Value

The cheapest fixture isn't always the most economical choice.

Products that need to be replaced prematurely can quickly wipe out any initial saving.

Block Bathrooms & Kitchens focuses on quality, compliant products and professional installation rather than trying to win renovations purely by offering the cheapest initial price.

What Should a Good Bathroom Renovation Quote Include?

A professional bathroom renovation quote should make it reasonably easy to understand where your money is going.

Depending on the project, look for clarity around:

• Demolition
• Rubbish removal
• Carpentry
• Plumbing
• Electrical work
• Waterproofing
• Wall preparation
• Floor preparation
• Tiling
• Fixtures
• Tapware
• Vanity
• Shower screen
• Painting
• Accessories
• Project management
• Certificates and warranties
• Any items you are expected to supply yourself

If something isn't clear, ask before signing the renovation contract.

How Long Does a Bathroom Renovation Take?

Cost isn't the only consideration when choosing a bathroom renovator.

You also need to consider how long your home will be disrupted.

Block Bathrooms & Kitchens uses a structured renovation process designed to complete suitable bathroom renovations in approximately:

Should You Choose the Cheapest Bathroom Renovator?

Not necessarily.

You also shouldn't automatically assume that the most expensive quote is the best.

Instead, compare:

• The complete scope of work
• Quality of materials and products
• Licensing and insurance
• Waterproofing processes
• Warranties
• Project management
• Communication
• Previous renovation projects
• Customer reviews
• Project timelines
• Quote transparency

The objective should be to find the best overall value, not simply the lowest number.

Why Transparent Pricing Matters

At Block Bathrooms & Kitchens, we believe homeowners should understand what they're paying for before their renovation begins.

Our approach is based around clear scopes, transparent quoting and complete project management.

That means understanding what work is being completed, what products are being used and what is included in your renovation.

We don't believe the goal should be to provide the cheapest headline number.

The goal is to provide a quality bathroom renovation with a clear scope and fewer unnecessary surprises along the way.

Planning a Bathroom Renovation in Sydney?

Block Bathrooms & Kitchens provides complete bathroom renovations across Sydney, managing your project from initial planning through to construction and final handover.

Our approach includes:

• Professional renovation planning
• Trusted trades
• Clear communication
• Quality products
• Professional waterproofing
• Complete project management
• Transparent quoting
• No unnecessary hidden costs

You'll understand what is being renovated, what's included and how the project is expected to progress before construction begins.

Frequently Asked Questions