Building an in-ground swimming pool is a dream project for many homeowners. However, many quickly discover that the advertised price of a pool represents only a portion of the actual budget.
Between earthworks, filtration, mandatory safety, heating, coping stones or exterior landscaping, the final cost can vary greatly depending on the technical choices and the level of finish.
In 2026, the price of an in-ground "ready-to-swim" pool will depend primarily on:
- of the type of construction
- dimensions
- selected equipment
- site constraints
- of the desired price range
Here is a complete guide to understanding the true budget for an in-ground pool today.
What is the average price of an in-ground swimming pool in 2026?
In France, the average budget for an in-ground swimming pool generally varies between €15,000 and over €60,000 depending on the materials and equipment.
For a standard, fully installed in-ground swimming pool:
- A fiberglass pool typically starts at around €15,000 to €28,000
- A standard concrete swimming pool typically costs between €20,000 and €40,000
- High-end projects can exceed €70,000 or even much more
The price depends mainly on the level of customization of the project.
The type of pool greatly influences the budget
Polyester shell swimming pool
The fiberglass pool remains one of the most widespread solutions today.
Average budget:
- Approximately €15,000 to €35,000 including installation for a standard pool
Benefits :
- quick installation
- more affordable cost
- relatively simple maintenance
Disadvantages:
- limited forms
- transport is sometimes complex
- dimensions often standardized
Concrete swimming pool
Concrete swimming pools remain the standard for custom projects.
Average budget:
- usually between €20,000 and €40,000
- High-end models can easily exceed these amounts
Benefits :
- total customization
- excellent durability
- possible free forms
- great aesthetic value
Disadvantages:
- longer construction project
- higher budget
- higher cost of finishes
prefabricated swimming pool
Some in-ground pool kits allow you to reduce the initial cost.
Average budget:
- approximately €10,000 to €22,000 depending on the dimensions and level of installation
But be careful:
- the final cost can quickly increase
- Some finishing touches still need to be completed
- Quality varies greatly between manufacturers
Earthworks: an often underestimated cost
The land plays a huge role in the final budget.
The earthworks can cost:
- between €1,500 and €6,000 depending on the complexity of the project
The price increases particularly in the following cases:
- difficult to access
- rocky terrain
- steep slope
- groundwater
- complex soil evacuation
This is often one of the items that creates the biggest budgetary surprises.
Filtration: an essential element
Good filtration represents a significant but essential investment.
The technical room typically includes:
- pump
- filtered
- electrical box
- hydraulic
- piping
- Possible automated processing
Many budget-friendly pools cut costs in this area, which can lead to:
- water that is more difficult to maintain
- higher electricity consumption
- more maintenance
Effective filtration often helps to reduce costs in the long term.
Heating: a real impact on the budget
Today, many owners want to extend the swimming season.
Heat pump
The cost of a swimming pool heat pump generally varies:
- between €2,500 and €8,000 depending on the power and range
Full inverter models are more expensive to buy but offer the following advantages:
- reduced consumption
- quieter operation
- improved thermal stability
Mandatory security
In France, an in-ground swimming pool must be secured.
Possible solutions:
- alarm
- slatted tarpaulin
- roller shutter
- shelter
- fence
Average budget:
- from a few hundred euros to several thousand depending on the solution chosen
An automatic shutter can easily represent:
- an additional €3,000 to €8,000
Exterior landscaping often costs a lot of money
This is one of the items most often overlooked in the initial quote.
Around the pool, you often need to plan for:
- terrace
- beach
- coping stones
- lighting
- drainage
- landscaping
The surrounding areas can include:
- between €2,500 and over €7,000 depending on the materials chosen
In some high-end projects, the landscaping sometimes costs as much as the pool itself.
The annual maintenance cost
An in-ground swimming pool also entails recurring costs:
- electricity
- heating
- water
- treatment products
- equipment maintenance
The average annual budget often varies:
- between €400 and €1,500 per year depending on the equipment
A high-performance heat pump can significantly reduce energy costs.
Mistakes that cause the budget to explode
Some mistakes are very costly:
- choose a swimming pool based solely on the displayed price
- underestimating the earthworks
- forget the improvements
- neglecting the quality of filtration
- choose an oversized pump
- planning too many options from the start
- forget about maintenance costs
A quote that seems cheap at the start can sometimes become more expensive in the long run.
Do you necessarily have to choose the cheapest one?
Not always.
A well-designed swimming pool often allows you to:
- less electricity consumption
- less maintenance
- fewer technical problems
- improved durability
- a better valuation of the property
The true cost of a swimming pool is also measured over 10 to 20 years of use.
What budget should be specifically planned for 2026?
To give a realistic idea:
economical in-ground swimming pool
- approximately €15,000 to €22,000
- often a simple case or kit
Well-equipped family swimming pool
- approximately €25,000 to €45,000
- with heating, security and terrace
High-end swimming pool
- €50,000 to over €100,000
- overflow, mobile terrace, premium equipment, automation
Conclusion
The true price of an in-ground swimming pool in 2026 is never limited to the pool alone.
To avoid unpleasant surprises, it is essential to plan ahead:
- the earthworks
- filtration
- the heating
- security
- exterior amenities
- maintenance costs
A well-designed swimming pool represents a significant investment, but also a real comfort of life and a lasting increase in the value of your home.
Before comparing only prices, it is often wiser to compare:
- the quality of the equipment
- energy consumption
- the durability of materials
- the seriousness of the installation