Both are great options and in many cases people get quotes on both to see which is the better fit for their family.
The families that choose Fibreglass over traditional concrete typically place a higher value on; Lifetime Warranty and guarantees, faster installation time and smooth interior surface.
Families that choose concrete would place a higher value on having very specific shape or design requirements or have a site where it is not possible to have a crane lift the pool in.
We have the largest and deepest range of fibreglass pools to see the range click here