The average wet room installation cost is around £5,500 in the UK and will take approximately 4 - 7 days to complete

In this guide, you'll find detailed insights on:

  • A thorough analysis of the costs associated with installing a wet room, including the factors influencing the estimates provided and extra expenses to consider.
  • The expected duration for a wet room installation, an overview of the steps involved, and a comparison of the benefits of a wet room versus a traditional bathroom.
  • Tips for locating and hiring skilled wet room installation experts in your area.

Curious about the expenses of a wet room installation?

This guide offers a thorough analysis of wet room installation costs, accounting for various room sizes, different finishes, and wet room flooring options. By following this, you can better estimate the cost of hiring a professional to install a wet room.

General Cost Overview of a Wet Room:

Typically, the expense of installing a wet room ranges from £4,000 to £7,000, though the average sits around £5,500. This estimate can vary greatly depending on the room's size and the complexity of the project. Due to the technical nature of the work involved, which includes waterproofing (tanking), tiling, and fitting plumbing, this job isn't usually suitable for DIY.

Wet rooms are increasingly popular for their modern appeal and the potential boost they provide to a home's value. However, it's essential to ensure the design harmonises with the rest of your home’s interior to avoid an out-of-place look.

Importance of Proper Floor Slope:

A key element in wet room design is a floor with an appropriate gradient, ensuring water drains efficiently. If not executed properly, water can accumulate, leading to potential problems over time. This highlights the importance of professional installation to achieve a reliable water flow and prevent long-term issues.

Duration of Installation: The process of installing a wet room typically takes between 4 to 7 days, depending on the specific conditions of the project.

Example Scenario: For a client looking to remodel an extension bathroom into a wet room, including demolition and the full installation of new wet room facilities, the estimated cost was around £5,800 according to Gabriel's Building Services.


Breakdown of Wet Room Prices:

Below is an estimate for individual components involved in a wet room installation:

Job DescriptionEstimated Cost
Tanking shower kit£130 – £180
Shower tray former£450 – £550
Shower unit£400 – £500
Shower screen£280 – £320
Tiles£700 – £850
Tile adhesive£60 – £80
Grout£35 – £50
Spacers£18 – £25
Labour£1,700 – £2,000

Cost of Supplies Only:

If you’re looking to understand just the material costs for a DIY approach or separate item purchase, here is an overview:

Job DescriptionEstimated Cost
Tanking shower kit£130 – £180
Shower tray former£450 – £550
Shower£400 – £500
Shower screen£280 – £320
Tiles£30 – £50 per m²
Tile adhesive£60 – £80
Grout£35 – £50
Spacers£18 – £25

Additional Costs to Consider:

Wet rooms can include additional features to enhance functionality and comfort, which come with extra costs:

  • Underfloor heating: £300 – £400
  • Shower tiling: £300 – £400
  • Toilet installation: £250 – £400
  • Bath installation: £500 – £700

Labour Costs and Timelines:

The average labour cost for wet room installation ranges from £1,700 to £2,000. This can be influenced by factors like location, job complexity, and the number of professionals required. Most contractors will charge approximately £150 – £200 per day, and the project may require at least two contractors, potentially increasing for larger or more intricate jobs.

Regional Differences: Properties located in London can expect higher labour rates, potentially £30 – £100 more per day than those in other regions of the UK.

Typical Question Example: One homeowner with a mid-sized ensuite measuring 8'6" x 4'10" asked about conversion costs. A typical response suggested a budget of £1,500 to £2,000 for removing an existing shower cubicle and lowering pipes to install a preformed wet room tray, followed by necessary adjustments and tanking.


What Affects Wet Room Costs?

Several key factors impact the total price:

Job Complexity: Projects involving additional plumbing, specialised tiling, or unique design features often extend the timeline and raise labour costs.

Location: Homes in higher-cost areas like London face higher contractor fees.

Number of Contractors: For most wet room installations, a minimum of two contractors is needed, with more complex jobs potentially requiring additional specialists.

Quality of Materials: Choosing high-end finishes or luxury fittings will increase the total cost.


Installation Process Overview:

Though each wet room is unique, here’s a general step-by-step of what an installation involves:

  1. Measure the floor space and plan the layout.
  2. Cut and fit waterproof boards to size.
  3. Mark and prepare the shower tray and drain positioning.
  4. Secure the sub-floor, install battens, and fit plywood panels.
  5. Ensure a proper gradient for water drainage.
  6. Lay waterproof boards and secure them with fixing plates.
  7. Seal joints and corners with adhesive.
  8. Install the drain and finalise tiling with slope guidelines.

FAQ's

Can any bathroom be converted into a wet room?

Yes, most bathrooms can be converted; however, structural and waterproofing assessments are essential to determine feasibility.

Is it worth installing a wet room? 

Wet rooms add value and a modern touch to a home but may require higher maintenance. Proper design ensures functionality and longevity.

How long does a wet room last?

With high-quality materials and professional installation, a wet room can last many years without issues, especially with regular maintenance.

What is tanking, and is it necessary? 

Tanking refers to waterproofing a space to prevent water damage. It is a crucial part of wet room installation.