Retrieved from https://www.scottishwater.co.uk/Your-Home/Your-Waste-Water/Septic-Tanks/Septic-Tank-Services [accessed 22 April 2025] In 2025/26, standard charges that apply to a single household, serving up to 5 houses and up to a capacity of 9m3 are £245.60 for a scheduled visit, £340.90 for unscheduled or £492.00 (or actual cost if this is more) for an urgent response visit.6Scottish Water . (2025).