Pool Investment for Hotels and Investors: 7 Questions to Ask Before You Decide

The overflow channel or skimmer line, the balance tank, the surrounding walkway and at least one plant room all have to be included in the calculation. Indoor pools also need a ventilation room with humidity control. A common mistake in hotel projects is to allocate space for the water surface only and then try to squeeze the plant room in later.

For projects with limited space, for example when a pool is added to an existing building, room-scale solutions also exist. Compact in-room systems on the market can be designed to take up less than 2 square metres, and in reference installations they have been integrated into a hotel room of 27-28 square metres. This is a concrete example of how the idea of a wet-area experience in every room can be scaled; in our own projects we work out space planning separately for each building, based on its own constraints.

If this load is added to the building's overall electrical design too late, it leads to revisions of panels and cable runs, and in some cases the transformer capacity has to be reassessed.

On the automation side, dosing and circulation systems are expected to run without interruption, so the priority of the pool plant room must be defined in the generator or UPS plan. Which equipment stays online during a power cut should be decided at the design stage.

On the ground floor or in an area in contact with soil, this is usually handled within the existing structural design. The situation is different when the pool is planned on a mezzanine, a terrace or the upper floors of a multi-storey hotel.

In such projects the structural calculation should run in parallel with the architectural design, not after it. Otherwise the location, size or depth of the pool may later have to be reduced to meet the structural engineer's approval. If the investor asks for this calculation at the very start of the project decision, before moving to construction drawings, the risk of revisions in later stages goes down.

The electrical equipment in the plant room, chemical storage (such as chlorine and pH adjusters) and the ventilation these need are items that must be included in the building's overall fire safety design.

The chemical storage area should be planned separately from other technical rooms in terms of fire suppression and ventilation; this separation matters both for safety and for insurance. In hotel projects this detail is a checkpoint that often comes up during the fire department permit process.

That is why the frequency of periodic work such as filter replacement, surface maintenance or equipment overhauls should be defined at the design stage; this allows the operator to schedule maintenance for low-occupancy periods.

Simple measures such as a standby pump or a spare filter line can bring the pool back into service within hours instead of days after an unplanned failure. Redundancy decisions like these add a little to the initial investment budget, but they are worth it for operational continuity.

Each of these depends on the efficiency of the chosen equipment and on how intensively the pool is used, so quoting a fixed figure across projects would be misleading.

What really helps the investor is being able to see the difference between equipment with a low purchase cost but high running costs, and equipment that costs somewhat more up front but runs more efficiently over the long term. Systems such as heat pumps, variable-frequency pumps and automatic dosing are options that shift this balance in favour of operation.

The pricing gap between a property with a pool and spa and one without, in the same area and the same category, is an indicator of the indirect return on this investment.

The ROI calculation should also include the cross-selling potential of spa, massage and wellness services; the pool area is often where these services are sold. An investor who clarifies these seven topics at the very start of the project decision will face fewer risks later on, such as architectural revisions, extra costs or permit delays.