How Much Does It Cost to Renovate a Bathroom in London – 2025 Cost Guide

Jul 8, 2025

If you are wondering how much it costs to renovate a bathroom in London, you can expect to spend between £6,500 and £22,000.

Costs vary based on bathroom size, design complexity, and material choices. This guide details all the factors that affect the cost of bathroom renovation in London and provides tips for budgeting your renovation project.

Key Takeaways

  • Bathroom renovation costs in London range from £6,500 to £22,000, with an average of £9,500. These costs are influenced by factors such as size, design, and material quality.
  • Labor costs are significant, making up 60 to 70% of total expenses, and added considerations for material choice, plumbing, and electrical work impact the overall budget.
  • Effective budget management involves setting a realistic budget, including a contingency fund for unforeseen expenses, and considering DIY options to minimise labour costs.

Average Cost of Bathroom Renovations in London

Bathroom renovation costs in London can vary significantly, typically ranging between £6,500 and £22,000 based on the project’s scope and material quality.

A standard renovation will average around £9,500 in 2025, while high-end projects with premium fixtures often exceed £14,000. If you are considering a bathroom renovation in London, it’s essential to budget for the cost accordingly.

Factors such as bathroom size, design complexity, and material quality significantly influence these costs in the bathroom renovation process. A larger bathroom or intricately designed existing bathroom naturally incurs higher mid-range renovation expenses.

Choosing high-end materials and modern features like digital showers can further increase your expenditure. Recognising these variables aids in setting a realistic renovation budget.

Key Factors Influencing Bathroom Renovation Costs

Labour costs, typically ranging from £2,000 to £8,000 and constituting up to 60 to 70% of total expenses, significantly impact renovation costs.

Material choice is another significant factor affecting costs:

  • Premium materials and modern features can elevate costs.
  • Budget-friendly options help contain expenses.
  • Plumbing and electrical work, especially in older homes, can further add to the cost.

Recognising these factors helps in effective renovation planning and budget management.

Demolition Costs

Before installing new fixtures, the old ones must be removed. Demolition costs in London typically range from £550 to £1,600 for a 5 m² space to remove an old bathroom suite, which contributes to the old bathroom removal cost.

Disposal fees further contribute to demolition costs, making them an essential budget consideration.

Carpentry Costs

Carpentry costs vary widely based on work complexity. Basic structures like framework and supports are essential, while custom fittings such as tailored cabinets and shelves can significantly elevate costs. Material quality and design intricacy also influence carpentry expenses.

Opting for bespoke cabinetry or intricate woodwork will likely incur a premium, whereas prefabricated solutions can keep costs lower while maintaining style and functionality. Recognising these variables helps in effective budget allocation and ensures value for your investment.

Electrical Work Costs

Electrical work is a significant component of renovation costs, typically ranging from £1,100 to £2,200 for a standard London bathroom. This includes installing essential items like sockets and lighting, which are crucial for functionality and safety.

The type and quality of lighting chosen can impact your budget. High-end fixtures or specialised bathroom lighting can increase costs. Careful planning and selecting appropriate fixtures help manage these expenses effectively.

Cost of Bathroom Fixtures and Fittings

Choosing the right fixtures and fittings is essential for your bathroom’s functionality and aesthetics. A standard bathroom suite, including a toilet, sink or vanity unit, and bath, can save time and money by offering coordinated bathroom furniture products.

Standard installation costs typically are:

  • Toilet: £175 to £350
  • Radiator: £200 to £450
  • Baths: £80 for basic models to £3,000 for luxury options, with installation costs dependent on type and complexity.

Similarly, costs for sinks, taps, and other accessories can accumulate, making it important to include unexpected costs and associated costs in your renovation budget.

Bath Installation

Bath installation costs depend on the type and size selected. Standard installations typically range between £200 and £400, with an average cost falling between £100 and £275.

The installation process usually takes about 3 to 5 hours, and bathroom installation costs can vary based on these factors.

Baths come in various sizes, from compact to large two-person models, allowing you to choose one that fits your space and budget. Understanding these costs aids in making informed decisions.

Shower Installation

Shower installation can be a significant expense, ranging from £100 to over £2,000, with average costs between £250 and £400. A complete shower and enclosure setup typically ranges from £650 to £1,300.

Factors such as shower enclosure size and materials influence the installation costs. For instance, a digital shower with high-end features can start at £250, while wet room equipment generally averages around £600.

Recognising these factors helps in budgeting effectively for shower head installation.

Sink and Vanity Unit Costs

The sink and vanity unit are essential components. Pedestal basins typically cost between £150 and £350, with installation costs ranging from £175 to £350. A mid-range wall-hung basin can cost up to £150, with installation usually taking 2 to 3 hours.

Choosing the right sink and vanity unit enhances both functionality and aesthetics. Whether opting for a simple pedestal basin or an elaborate wall-hung unit, understanding these costs aids in effective budget planning.

Additional Costs in Bathroom Renovations

The main components of a bathroom renovation can be costly, but additional expenses, such as hidden structural issues and custom carpentry work, can also add up. Structural repairs can lead to unforeseen costs, making a contingency fund crucial.

Lighting Installation

Proper lighting is crucial for bathroom functionality and ambience. Costs for IP-rated lighting include purchasing the lights and hiring a qualified electrician. Standard bulbs typically cost around £20 each, while sensor lights enhance convenience.

Hiring a qualified electrician ensures safe installation. Careful planning and budgeting for lighting costs help create a well-lit, inviting bathroom space.

Underfloor Heating

Underfloor heating is popular for bathroom flooring, providing warmth and comfort. Electric underfloor heating installations typically range from £100 to £130 per square metre.

These costs can add up, especially for larger bathrooms, making it essential to factor the bathroom cost, total cost, overall cost, and hidden costs into your renovation budget.

Extractor Fan Installation

Adequate ventilation prevents dampness, and building regulations typically require an extractor fan. Installation can cost up to £330 and takes approximately 3 to 4 hours.

Proper ventilation helps maintain the longevity and condition of your bathroom.

Managing Your Bathroom Renovation Budget

Effectively managing your renovation budget is crucial to avoiding overspending. Adding 10 to 20% for unforeseen expenses prepares for unexpected issues.

A phased approach allows you to spread costs over time and prioritise immediate needs.

Setting a Realistic Budget

When planning your renovation budget, consider the following:

  • Set your budget up front to guide renovation choices.
  • Allocate a contingency fund of 15 to 20% to handle unforeseen expenses.
  • Consult a bathroom expert to help plan installation costs effectively and ensure you stay within budget.

Choosing Affordable Materials

Affordable materials significantly impact renovation costs. Some cost-saving strategies include:

  • Updating taps or toilet seats instead of renewing all fixtures
  • Keeping the existing layout to avoid expensive plumbing or electrical work
  • Using wall panels as a cost-effective alternative to retiling

Investing in quality fixtures saves money in the long term due to durability and longer warranties. Refinishing existing fixtures provides a fresh look without the expense of replacement.

Benefits of Hiring TMT Central Bathrooms For Your Bathroom Renovation in London

When it comes to renovating your bathroom in London, TMT Central Bathrooms offers more than just skilled installation. We deliver a complete, stress-free experience from start to finish.

Our in-house team of designers, project managers, and tradespeople works seamlessly together, meaning you have a single point of contact for the entire project. This approach eliminates the headaches of coordinating multiple contractors and ensures every stage is completed on time, within budget, and to the highest standards.

We pride ourselves on combining creative design with practical solutions that perfectly suit your lifestyle and space. Whether you are interested in creating a sleek modern upgrade or a timeless, luxury retreat, we source only premium materials from trusted suppliers and apply meticulous craftsmanship to every detail. Book your free consultation today and take the first step toward your dream bathroom.

Unmatched Local Expertise and Industry Connections

With years of experience working on London properties, we understand the unique challenges faced by London homes’ bathrooms.

These challenges vary from compact layouts in period homes to modern apartments with complex building regulations. Our familiarity with these environments means we can anticipate issues before they arise, keeping your renovation on track and avoiding costly delays.

Thanks to our strong relationships with reputable suppliers and trades, we can secure top-quality fixtures, fittings, and finishes at highly competitive prices.

These connections not only save you money but also give you access to exclusive styles and materials that are not available in standard retail stores, helping your bathroom stand out from the rest.

We will work closely with you to finalise layouts, material choices, and finishing touches before any work begins, so there are no unwelcome surprises. By keeping you involved from start to finish, we make sure your finished bathroom is exactly how you imagined it. Contact us today to get started.

Frequently Asked Questions

What factors influence the cost of a bathroom renovation in London?

The cost of a bathroom renovation in London is influenced by factors such as the size of the space, the complexity of the design, and the quality of materials and fixtures selected. Prioritising these aspects will help you budget effectively.

How long does a simple bathroom renovation typically take?

A simple bathroom renovation typically takes about 10 to 14 days to complete. This timeframe allows for efficient updates while minimising disruption.

Is planning permission required for internal bathroom renovations in London?

Planning permission is generally not required for internal bathroom renovations in London unless significant structural changes are involved. Always consult local regulations to ensure compliance.

What should be considered before starting bathroom renovations?

Before starting bathroom renovations, you should carefully consider your budget, available space, overall style, and essential elements such as plumbing, heating, ventilation, lighting, and fixtures. Addressing these factors will ensure a successful renovation project.

What is the average cost to install a new bathroom in the UK?

The average cost to install a new bathroom in the UK typically ranges from £6,500 to £12,000, covering plumbing, fixtures, and materials. Therefore, budgeting within this range is advisable for a comprehensive renovation.

Conclusion

Understanding the costs involved in renovating a bathroom in London is essential for setting a realistic budget and achieving your dream bathroom.

From average expenses and key factors influencing costs to managing your budget and finding reliable bathroom fitters, this guide provides comprehensive insights to help you navigate the renovation process.

Remember, careful planning and choosing TMT Central Bathrooms to handle the project can make all the difference in creating a bathroom that is both beautiful and functional.