How much does it cost to build an indoor pool?

An indoor pool is typically more expensive than installing an outdoor pool because you need to either convert a room in your home or have an extension built, plus the costs of the pool build itself. In some cases, you may also need to apply for planning permission depending on your location or the status of your property.

Listed below is a quick summary of some of the rough costs involved in an indoor pool build. However, it’s worth noting that these are subject to each client’s requirements and could exceed or fall below the prices listed, depending on what work is required.

Costs associated with constructing the pool

Swimming pool construction methods vary based on the type of pool you choose and the materials used. In addition to the pool itself, you need to consider the surround, based on the look you want to achieve and your budget – wood is great for a traditional look while marble and stone are elegant and chic but can be more costly.

The building costs involved to construct an indoor pool are approximately £800 – £2,000 per m² of the building area. But it’s also important to bear in mind that the minimum building size will exceed the pool size by 1m in width and 2m in length, plus 9m² for the plant room, which will increase costs.

Indoor pools require construction to the room and digging out the area for the pool to go into, as well as a dehumidification system which is essential to protect the room from moisture damage.

The cost of an indoor pool itself

The price of the pool itself ranges between £1,500 – £3,000 per m² of the swim area. This is dependent on a number of factors, including its specification, depth and pool type. For example, if you’re choosing a standard shape and size, the cost will be lower compared to an infinity edge pool or a more complex design.

Pool finishes and additional features can also influence the cost, such as whether you choose a hydrotherapy pool, swim jets or lighting. Since an indoor pool will receive little to no light, you’ll also need a heating system to keep the pool water the right temperature. Pool heaters for indoor pools are traditionally powered by natural gas or propane.

The cost of indoor pool covers

Pool covers are essential for keeping dirt and debris out of the pool, but also to minimise heat loss and water evaporation. A pool cover will also make your indoor pool safer and prevent damage to the rest of your property.  The cover you choose for your pool is up to you, with prices ranging between £1,000 and £16,000.

The options include a basic floating bubble cover, an insulated automatic safety cover that can be opened and closed at the push of a button, or a retractable pool enclosure that fully encloses the pool.

Air handing unit installation

An air handling unit or AHU is mounted to the ceiling of your pool room, housing the ventilation elements to purify the air and provide air conditioning. The air handling unit accomplishes several things, from preserving the structure of the room to minimising energy consumption and maintaining the temperature and climate outside of the pool.

Air handling costs range from approximately £175 – £250 per m² of the building volume. This will depend on the amount of glass within the building and the required height. It is possible to save money on air handling systems by using non-ducted units, which cost between £4,000 and £12,000. Find out more about AHUs here.

Get in touch

With so many variables to consider, costs for building an indoor swimming pool can vary considerably. For a more precise quote and to discuss the different options available based on your budget, why not contact us – a member of our experienced team will be able to offer advice based on your circumstance and property type.