What Is the Most Expensive Part of a Bathroom Remodel? Cost Insights for 2025

Jul 9, 2025

One of the first questions homeowners ask when planning a bathroom remodel is: what is the most expensive part of a bathroom remodel? The answer might surprise you. It’s not the tiles or the bathtub, but the labour. In most cases, labour makes up 40 to 60 per cent of the total renovation budget.

Why is it so pricey? It’s not just about installing a toilet or laying tiles. Skilled tradespeople, including plumbers, electricians, and tilers, all play a part, and their time adds up quickly.

In this article, we will break down why labour carries such a high price tag and other major items you should plan for in your 2025 bathroom renovation.

Key Takeaways

  • Labour costs typically constitute 40% to 60% of the total bathroom remodelling budget, reflecting the need for skilled professionals to ensure quality work.
  • High-end fixtures and appliances significantly enhance both the aesthetic and cost of a bathroom renovation, with luxury items like sinks, toilets, and faucets commanding premium prices.
  • Structural changes, plumbing, and electrical upgrades are among the most expensive and complex components of a bathroom remodel, necessitating careful planning and professional guidance to manage costs effectively.
  • TMT Central Bathrooms delivers complete, stress-free renovations, managing every stage from design to installation so you can enjoy a flawless finish without hassle. We have exclusive access to premium fixtures and materials to deliver unmatched luxury and functionality.

Labor Costs in Bathroom Remodeling

Labour costs often dominate the bathroom remodelling budget in bathroom remodels, generally accounting for 40% to 60% of the total budget. This significant portion reflects the skilled labour needed to transform a bathroom from dull to stunning

Employing professionals guarantees quality workmanship, saves time, and helps avoid costly errors. Hiring professionals involved include:

  • Plumbers
  • Electricians
  • Tilers
  • Carpenters 

Each plays a vital role in bringing your bathroom design to life. In addition to labour costs, homeowners should budget for permits and disposal fees, which can quickly add up to the biggest expenses, including material costs. Thorough planning and detailed consultations with your contractor can clarify these expenses upfront, reducing the risk of budget overruns.

Quality craftsmanship, compliance with building codes, and peace of mind justify the expense of spending money. Prioritising skilled professionals ensures a seamless and successful renovation.

Labor Costs in Bathroom Remodeling

High-End Fixtures and Appliances

High-end fixtures and appliances can significantly elevate both the aesthetic appeal and the cost of your bathroom remodelling project. Luxury sinks, for example, can range from £200 to over £1,000, with vessel and under-mount styles being particularly popular. These fixtures add elegance and enhance functionality.

Luxury toilets, often priced around £1,000, offer enhanced comfort and advanced features, making them worthwhile investments. High-end new faucets, ranging from £300 to over £1,500, cost hundreds and add both style and functionality, depending on the brand and price, often costing a few hundred pounds.

Luxury shower heads, priced between £150 and £600, can transform a simple shower into a spa-like experience. Though more expensive, custom fixtures significantly elevate the aesthetic value of a remodelled bathroom, making it a luxurious retreat for those who enjoy long, relaxing showers.

Investing in these premium luxury fixtures and plumbing fixtures made from high-end materials is an excellent way to create a sophisticated and functional bathroom, especially when considering the expensive part of expensive options.

Structural Changes and Layout Modifications

Structural changes and bathroom layout modifications are often the most daunting aspects of a bathroom remodel due to their complexity and cost. These changes can range from minor adjustments to significant overhauls, with costs varying greatly depending on the modifications and existing layout, including a full remodel.

Consulting a structural engineer ensures the feasibility and safety of significant layout changes, providing peace of mind that your home’s structural integrity is maintained. A detailed consultation can clarify the scope and expenses of your bathroom refurbishment project, aiding in better budgeting and planning.

Significant alterations, such as moving walls in the house, often require additional structural support, increasing overall expenses. While necessary for achieving the desired original layout, these materials come with a higher price tag. Understanding these material costs upfront helps homeowners make informed renovation decisions.

Tile Work and Custom Tiling

Tile work is a cornerstone of bathroom remodelling, offering endless customisation and design possibilities. However, it is also among the more expensive aspects, especially custom tile installation. Natural stone ceramic tiles elevate bathroom renovation costs due to their premium price and installation complexity, adding a luxurious touch but requiring skilled labour.

Custom tile patterns and intricate designs can significantly increase installation expenses. They require more time, expertise, and specialized tools and techniques, resulting in higher labor costs, expensive materials, more expensive options, and other factors.

The condition of the underlying surface can affect installation costs. Additional preparation for a smooth and durable installation can add to the budget.

Although custom tiling can be expensive, it offers a unique opportunity to personalise your bathroom. With the right choices and professional installation, tiles can transform your bathroom into a stunning and functional space.

Plumbing and Electrical Upgrades

Upgrading plumbing and electrical systems is crucial in any bathroom remodel, often accounting for a significant portion of the budget. Installing new plumbing lines can add about £2,000 or more to remodelling costs, ensuring the functionality and longevity of your new bathroom, especially in older homes.

Hiring a licensed plumber ensures that all work meets local building codes and standards. Similarly, upgrading electrical systems can be costly, with average expenses reaching up to £1,500. Licensed electricians ensure compliance with regulations and safety standards.

Eco-friendly solutions, like water-saving fixtures, can be considered during a remodel. These options contribute to sustainability and lower long-term utility costs. Integrated lighting with extractor fans enhances illumination and air circulation, improving overall functionality while renovating.

Plumbing and Electrical Upgrades

Flooring Choices: Budget vs. Premium

Flooring choices significantly impact the overall cost of a bathroom remodel. Options range from budget-friendly materials like vinyl to premium choices like natural stone. Vinyl flooring is cost-effective, typically offering durability and ease of maintenance.

Conversely, natural stone is among the most expensive flooring choices, offering luxurious aesthetics and durability at a higher price point. Its elegance and timeless appeal can significantly enhance your bathroom floor, making it a worthwhile investment for a high-end marble finish.

Adding radiant heating under tile flooring can further increase expenses. This feature provides comfort and luxury, especially in colder climates, but should be carefully considered within the overall budget.

Choosing the right flooring for your bathroom remodel requires balancing aesthetics, functionality, and budget.

Countertops and Vanity Cabinets

Countertops and vanity cabinets are essential elements of bathroom design, offering both functionality and style.

Custom-built vanity tops can be significantly more expensive than premade options. Standard materials like laminate and porcelain tiles are common for budget-friendly countertops. Granite and quartz, known for their durability and aesthetic appeal, are popular for a more luxurious look.

The cost of installing a new vanity depends on complexity and design.

Choosing the right countertops and bathroom vanity cabinets involves considering budget and design preferences. Whether opting for standard or custom options, these elements are crucial in defining your bathroom’s look and functionality. Proper planning and budgeting can balance style and affordability.

Lighting Fixtures and Ventilation Systems

Lighting fixtures and ventilation systems are vital components of a bathroom remodel, impacting both aesthetics and functionality. To save money, consider replacing light fixtures in the same location and simply swapping them out.

Replacing a bathroom exhaust fan typically depends on various factors. Inline extractor fans are preferred for their efficiency in moving air over longer distances, helping prevent mould and moisture damage and ensuring a healthier environment.

Investing in quality lighting fixtures and ventilation systems is crucial for a successful bathroom remodel. These elements improve the bathroom’s appearance and create a healthier and more comfortable space. Informed choices and professional installation ensure a beautiful and functional bathroom.

Lighting Fixtures and Ventilation Systems

Waterproofing and Wet Room Conversions

Waterproofing is critical in bathroom remodelling, especially for wet room conversions. The estimated cost for waterproofing and converting a bathroom into a wet room can range above £10,000. This ensures that the bathroom can withstand damp conditions and prevent mould and moisture damage.

The waterproofed portion of a bathroom, designed to handle high humidity and water exposure, is referred to as the wet area. Installing a bathroom light extractor fan helps prevent mould and moisture damage in the long run, contributing to a healthier bathroom environment. Certain extractor fans are designed to operate quietly while efficiently removing humidity from bathrooms.

Converting a bathroom into a wet room involves significant costs, but the benefits in terms of functionality and aesthetics are substantial.

Why TMT Central Bathrooms Is the Perfect Company for Your 2025 Bathroom Remodel

We are your dedicated partner in creating a bathroom that’s as functional as it is beautiful. Based in London, we specialise in everything from smart budget-friendly upgrades to high-end luxury transformations, always tailored to suit your lifestyle, space, and vision.

Our team of expert designers, project managers, and skilled tradespeople work seamlessly together, so you only need one point of contact for the entire process. That means no juggling multiple contractors, no miscommunication, and no costly mistakes. We handle every stage in-house.

With our network of trusted suppliers, we secure premium fixtures and finishes at competitive prices, helping you get more value for your budget. Whether you are dreaming of a spa-style wet room, a sleek contemporary space, or a classic design with timeless appeal, we bring your ideas to life with precision and perfection.

Book your free consultation today, and let’s start designing your perfect bathroom.

We Have Exclusive Access to Premium Design & Materials

When you work with TMT Central Bathrooms, you gain access to exclusive design resources and premium materials that aren’t available to the general public.

From bespoke vanity units to luxury imported tiles, our curated selections ensure your bathroom stands out for all the right reasons. We keep up with the latest trends in bathroom innovation, including eco-friendly water-saving fixtures, modern lighting systems, and smart technology integrations, so your new space feels fresh, stylish, and future-proof.

Our design team works closely with you to blend your style preferences with practical, lasting solutions. We guide you through colour palettes, layout options, and fixture selections to ensure everything works together perfectly. We will source and install elements that elevate your bathroom well above the ordinary, without the inflated price tag you might expect.

Frequently Asked Questions

What are the most expensive parts of a bathroom remodel?

The most expensive aspects of a bathroom remodel typically encompass labour costs, high-end fixtures, structural changes, and custom tiling. These elements significantly impact the overall budget of the remodel.

How can I save money on my bathroom remodel?

To save money on your bathroom remodel, use budget-friendly materials, maintain the existing fixture layout, and focus on essential upgrades rather than luxury options. This approach will help you achieve a cost-effective renovation.

Is it worth investing in high-end fixtures for my bathroom?

Investing in high-end fixtures for your bathroom is worthwhile. They provide enhanced aesthetics and improved functionality, elevating the space’s overall luxury.

What should I consider when planning structural changes in my bathroom?

When planning structural changes in your bathroom, consult a structural engineer to assess feasibility and safety. Additionally, anticipate potential extra costs for structural support and modifications.

Why is it important to hire licensed professionals for plumbing and electrical work?

Hiring licensed professionals for plumbing and electrical work is essential. They guarantee adherence to building codes and safety standards, thus minimising the risk of costly errors and ensuring superior quality in workmanship.

Conclusion

Bathroom remodelling involves various cost components, each contributing to the overall budget. Labour costs, high-end fixtures, structural changes, custom tiling, plumbing and electrical upgrades, flooring choices, countertops, and lighting and ventilation systems are crucial in determining the final expense.

Making informed decisions and planning carefully can help manage these costs effectively. By understanding where the money goes and prioritising quality workmanship, homeowners can achieve their dream bathroom without unexpected financial surprises. A successful remodel enhances the bathroom’s beauty and functionality and adds value to the home.