The Cost to Install a New Toilet in 2024: A Comprehensive Guide

Whether you’re renovating your bathroom or just replacing an old toilet, understanding the costs involved can help you budget effectively and make informed decisions. This guide provides a detailed look at the various factors influencing the cost of installing a new toilet, including types of toilets, professional installation fees, and building consent requirements.

Table of Contents

    1. Introduction
    2. Average Cost of a New Toilet Installation
    3. Factors Influencing the Price
    4. Types of Toilets and Their Price Range
    5. Professional Labour and Installation
    6. Additional Plumbing Fixtures and Extras
    7. Removal of an Old Toilet
    8. Toilet Accessibility and Location
    9. Do You Need Building Consent to Add a Toilet?
    10. Plumber vs. Full Project Management


Installing a new toilet can breathe new life into your bathroom, adding both functionality and a modern touch. However, the cost to install a new toilet can vary widely based on several factors. This comprehensive guide aims to provide clarity on the costs involved, helping you make well-informed decisions for your toilet renovation project.

Average Cost of a New Toilet Installation

On average, installing a new toilet in New Zealand can cost between $400 and $1000. For high-end models, such as wall-hung or smart toilets, the price can go above $1000. The final cost depends largely on the type of toilet you choose and the complexity of the installation.

Factors Influencing the Price

To understand the overall cost of a new toilet installation, consider the following factors:

  • Type of Toilet Suite: Different types of toilets come with varying price tags.
  • Labour Costs: Fees for professional plumbers can vary.
  • Additional Plumbing Fixtures: Items like custom toilet seats can add to the cost.
  • Removal of Old Toilet: This service can be included in the installation cost or charged separately.
  • Location and Accessibility: The ease of access to the installation site can affect labour costs.
  • Building Consent: Necessary for adding a new toilet but not for replacing an existing one.
  • Architectural Fees: Required for new installations that involve structural changes.

Detailed Cost Breakdown

Factor Replacement Toilet Additional Toilet (New Installation)
Toilet Suite $250 – $1000+ $250 – $7000
Labour Costs $500-$1000 $6,000 – $12,000 (dependant on complexity)
Additional Fixtures $50 – $200 $100 – $400
Removal of Old Toilet $200 – $350 N/A
Architectural Fees N/A $2500 – $3500
Council Consent Fees N/A $1000 – $2500
Total Estimated Cost $400 – $1500 $10,000 – $15,000+

Types of Toilets and Their Price Range

Here’s a breakdown of common toilet types and their approximate prices:

  • One-piece Toilet: $400 – $1000. Known for its sleek design and ease of cleaning.
  • Two-piece Toilet: $250 – $1000+. The most common type, with separate tank and bowl.
  • Smart Toilet: $800 – $7000. Features include automated flushing, bidet functions, and seat warming.
  • Wall-hung Toilet: $300 – $5000. Mounted on the wall with a concealed tank.
  • Back-to-wall Toilet: $250 – $2000. The bowl is installed flush against the wall with a concealed cistern.
  • Wall-faced Toilet: $500 – $4500. Similar to back-to-wall but with the cistern integrated into the wall or furniture unit.
  • Close-coupled Toilet: $500 – $4000. Compact design with the tank directly attached to the bowl.

Professional Labour and Installation

Most toilet installations require a professional plumber. Here’s a breakdown of typical costs:

  • Call-out Fee: $100 – $150.
  • Hourly Rates: $55 per hour for less experienced plumbers, $100 – $150 for experienced plumbers.

When hiring a plumber, ask for a detailed quote that includes call-out fees, hourly rates, and an estimate of how long the installation will take.

You may need to replace various components during

Additional Plumbing Fixtures and Extras

the installation process, such as:

  • Shut-off Valves
  • Wax Rings
  • Bolts and Caps
  • Fill Valves
  • Flush Valves
  • Overflow Tubes
  • Trip Levers

These components can add to the overall cost. Additionally, you might want extra features like a specific toilet seat, bidet functionality, or a dual-flush system.

Removal of an Old Toilet

Removing an old toilet is usually straightforward and often included in the plumber’s quote. This process typically takes 30 minutes to an hour. For example, if the plumber’s hourly rate is $55, you should budget at least this much for the removal, plus additional costs if disposal is required.

Toilet Accessibility and Location

The location of your new toilet can affect the cost. If existing plumbing is already in place, the cost will be lower. However, if new pipes need to be installed, or if the installation site is difficult to access, the price can go up. Specific rules apply for basement installations, as they may require unique sewage systems.

Do You Need Building Consent to Add a Toilet?

In New Zealand, replacing an existing toilet does not require building consent. However, adding a new toilet (an additional toilet to your home) does require building consent. This is because new plumbing installations need to comply with safety and building regulations to ensure proper waste management and structural integrity.

Why Building Consent is Required

Building consent is necessary for new plumbing work to ensure that it meets the Building Code requirements. This involves ensuring that the new installation is safe, sanitary, and will not compromise the structural integrity of the building. As per the Auckland Council website “You are required to obtain a building consent if the work involves adding an additional sanitary fixture to your house – for example, a new bath – where there was not one previously. A building consent is not required to repair or maintain an existing water heater, if it is carried out by an authorised person”

For more detailed information, you can refer to this page here:

Building Consent Process

Here’s what the building consent process generally involves:

  1. Architectural Fees: Hiring an architect to draft the necessary plans. This can cost between $1000 and $5000.
  2. Council Consent Fees: Submitting your plans to the local council for approval. Fees can range from $500 to $1500, depending on the complexity of the project.
  3. Inspection Fees: After installation, the council will inspect the work to ensure it meets building codes. Inspection fees are typically included in the consent fees but may vary.

Plumber vs. Full Project Management

Is a Plumber Enough?

For replacing an existing toilet, hiring a plumber is usually sufficient. The plumber will handle the removal of the old toilet and installation of the new one, including any necessary plumbing adjustments.

When Full Project Management is Required

Adding a new toilet to your home is a more extensive project. It involves:

  • New Piping: Linking the new toilet to the external waste pipe.
  • Restricted Works: Tasks that can only be carried out by certified tradespeople.
  • Multiple Trades: Coordinating plumbers, builders, and possibly electricians.

Due to the complexity, full project management is recommended. This ensures that all aspects of the project, including obtaining building consent, are handled professionally and efficiently.


What is the average cost to install a new toilet?

The average cost ranges from $400 to $1000, but high-end models can go above $1000.

Do I need building consent to replace an existing toilet?

No, building consent is not required to replace an existing toilet.

Do I need building consent to add a new toilet to my home?

Yes, building consent is required for adding a new toilet. This involves ensuring the installation complies with building regulations.

How much does building consent cost?

Building consent fees range from $1000 to $2000, plus additional architectural fees ranging from $1000 to $5000.

Is hiring a plumber enough for a toilet installation?

Yes, if you are replacing an existing toilet. For adding a new toilet, full project management is recommended due to the complexity of the work.

What factors influence the cost of a new toilet installation?

Factors include the type of toilet, labour costs, additional plumbing fixtures, removal of old toilet, location and accessibility, and building consent requirements.

Installing a new toilet involves various costs and considerations. Whether you’re replacing an existing toilet or adding a new one, understanding the factors that influence the cost can help you budget effectively and make informed decisions. By obtaining multiple quotes and considering the need for building consent, you can ensure a smooth and successful toilet renovation project.



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