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Go back A well-planned swimming pool project is much more than just choosing the shape and size. It is a process in which every decision, from assessing the site to selecting the equipment, determines the performance, operating costs, and lifespan of the facility for decades to come.
However, planning often focuses on the construction itself, pushing crucial aspects such as the filtration system, water treatment or automation into the background. The result, in many cases, is swimming pools that work but generate unforeseen costs or fail to achieve the expected levels of comfort and efficiency.
In this article, we review the key decisions that define the success of any swimming pool project, whether residential or commercial, so that every step is taken with care and with a holistic view of the whole
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Close formWhere does a good swimming pool project begin?
Every pool project starts with three fundamental questions: who will use the facility, for what purpose, and under what conditions.
Defining the intended use is the first step. Designing a swimming pool for a family seeking leisure and relaxation is not the same as planning a facility for a hotel that needs to cater for dozens of guests a day, or a sports centre that must comply with competition regulations. The use determines the dimensions, depth, type of equipment and the requirements for filtration and water treatment.
From there, the site assessment provides the actual conditions of the pool project. Sun exposure influences water temperature and energy efficiency. The topography and soil type determine the excavation and the most suitable construction method. The available space defines not only the pool itself, but also the location of plant rooms, maintenance access points and potential future extensions.
There is one aspect that should be addressed early on: permits and regulations. In most Spanish municipalities, a planning permission is required, the cost of which is usually between €800 and €1,800. Depending on the dimensions and local regulations, a geotechnical survey of the site may also be required. Sorting out these formalities from the outset avoids delays that make the pool project more expensive.
Which construction system should you choose for a pool project?
The choice of construction system is one of the decisions with the greatest impact on the pool project’s durability, timeline and budget. There is no universally best method: the right option depends on the type of pool project, the site and the owner’s priorities.
Shotcrete (sprayed under pressure onto steel reinforcement) offers maximum strength and complete freedom of form, making it the benchmark for commercial and competition pools. Reinforced concrete with formwork is a more conventional method, commonly used in residential pool projects with simple geometries. Construction using concrete blocks lined with a liner reduces the timeframe and cost, although the durability of the lining is more limited.
Alongside these traditional in-situ swimming pool systems, prefabricated modular panels are gaining prominence in projects that need to combine speed of installation with precision and robustness. Fluidra’s Skypool system, for example, has been used in international competitions such as the European Championships and the Pan American Games, demonstrating its ability to meet standards at the highest level.
The key is to choose the construction system based on the pool project, not the other way round. Good technical advice at this stage prevents oversizing, watertightness issues or incompatibilities with the planned equipment.
What equipment should be integrated from the design phase?
This is probably the most crucial aspect and, at the same time, the one most often overlooked in the planning stage. A swimming pool project that focuses solely on construction and leaves the equipment for later misses the opportunity to optimise the whole as an integrated system.
Filtration and water circulation
Pumps and filters are the heart of any swimming pool. Correctly sizing the filtration system according to the water volume and intended use is essential for maintaining clear water and reducing chemical consumption. Regenerative filters can reduce backwash water consumption by up to 90%, whilst variable-speed pumps adjust the flow rate to actual demand, resulting in significant energy savings.
Water treatment
Beyond traditional chlorine disinfection, there are alternatives that improve swimmer comfort and reduce reliance on chemicals: salt electrolysis, UV-C systems, ozone or hybrid technologies such as Fluidra’s Neolysis. Complementing these systems with automatic dosing and real-time monitoring of parameters such as pH or ORP allows water quality to be maintained accurately and consistently.
Automation and energy efficiency
Automation enables the centralised management of pumps, heaters, lighting and water treatment, simplifying maintenance and optimising energy consumption. Incorporating thermal covers, heat pumps or heat recovery systems from the design stage helps to reduce operating costs and move towards the concept of a ‘positive pool’: facilities that go beyond simply minimising their impact and aim to achieve a net positive effect in terms of water, energy and sustainability.
Integrating all these decisions at the design stage, rather than as subsequent additions, is what enables the equipment and structure to function as a coherent system.
What role do finishes play in the pool project?
Finishes are not purely an aesthetic decision. The interior lining determines ease of maintenance, durability and the swimmer’s experience.
The most common options include mosaic tiles (ceramic, durable and available in a wide variety of colours), porcelain tiles (smooth surface, low porosity and modern aesthetic), PVC liners (more economical, but with a limited lifespan) and pool paint (the most basic option, which requires frequent renewal).
Around the pool, coping, non-slip flooring and submersible LED lighting enhance the functionality and safety of the installation. In commercial or hospitality projects, these elements take on greater importance as they directly influence the user’s perception of quality.
How is the process of a pool project structured?
A swimming pool project follows a sequence of phases where each stage determines the next. Understanding this process helps to anticipate deadlines, identify critical points and make decisions at the right time.
The process begins with design and planning (defining use, dimensions, design and modelling, construction system and equipment), followed by obtaining planning permission. From there, excavation begins, followed by the construction of the pool structure, the hydraulic and electrical installations, waterproofing, the interior lining and the installation of equipment. The process concludes with the finishing touches, landscaping of the surroundings and commissioning: filling, leak testing and calibration of equipment.
The total timeframe varies depending on the construction method and complexity: from 2–8 weeks with modular systems to 8–12 weeks for traditional in-situ concrete pool constructions. It is advisable to start work outside the peak season so that the pool is available when it is most needed.
A well-planned pool project makes all the difference
As we have seen throughout this article, the outcome of a pool project does not depend on a single decision, but on how all the decisions fit together: from the initial vision and site assessment to the choice of construction system, equipment and finishes.
When these decisions are approached in an integrated manner and with a long-term perspective, the result is a more efficient pool that is easier to maintain and has a longer lifespan. An approach that turns the pool project into a sound investment, for both residential owners and commercial facility operators.
At Fluidra, we support owners, architects and facility managers at every stage of the project. Solutions from Fluidra and its brands, AstralPool and Zodiac, enable the design and construction of swimming pools that combine durability, efficiency and water quality of the highest standard.
Frequently asked questions about swimming pool projects
How long does it take to complete a swimming pool project?
The timeframe depends on the construction system and the complexity of the project. Modular systems can be completed in 2–8 weeks, whilst traditional concrete constructions take between 8 and 12 weeks. It is advisable to plan to start the project out of season so that the pool is operational by summer.
What permits are required for a swimming pool project?
In most Spanish municipalities, a planning permission is mandatory, typically costing between €800 and €1,800. Depending on the dimensions and local regulations, a geotechnical survey of the site may also be required. It is advisable to handle these formalities from the start of the project.
Which is more important: the construction or the equipment?
Both are equally crucial. A solid structure without properly sized equipment leads to water quality issues and high operating costs. Similarly, the best equipment cannot compensate for construction flaws. The key is to plan both aspects in an integrated manner from the outset.
Is it worth investing in automation from the very first project?
Yes. Integrating automation from the design phase is simpler and more cost-effective than adding it later. It allows for the centralised management of filtration, water treatment, lighting and heating, reducing manual maintenance and optimising energy and chemical consumption.
How do you choose between an in-situ pool and a prefabricated pool?
It depends on the project’s requirements. An in-situ pool offers total customisation, greater durability and compatibility with any equipment, making it ideal for long-term pool projects. A prefabricated pool is quicker and cheaper to install, but has limitations in terms of dimensions, shapes and lifespan.