A published Scottish Water example
For 1 April 2026–31 March 2027, Scottish Water lists scheduled household desludging at £254.40. Its standard household scope is a single tank serving up to five houses, up to 9,000 litres, meeting the basic conditions. Additional charges can apply; VAT is added where applicable. This is one provider’s tariff, not a UK average.
Source: Scottish Water · checked 2026-10-06
“£254.40”Read the original source ↗
2026–27 scheduled tariff. Single household tank, up to five houses and 9,000 litres, basic conditions apply; not a UK market average. Checked through official-page web result; direct fetch blocked.
Source: Scottish Water · checked 2026-10-06
“VAT will be added where applicable.”Read the original source ↗
Northern Ireland’s household option
NI Water offers one free desludge in twelve months to qualifying households, subject to property, access and safety conditions. Additional desludges can be chargeable. Read the current conditions before paying a private firm or assuming an entitlement applies.
Source: nidirect · checked 2026-10-06
“one free desludge in twelve months”Read the original source ↗
Eligibility, access and safety conditions apply; further desludges can be chargeable.
Private firm prices: check the scope
- No representative England/Wales price range has been verified for this guide. Ask the firm for a current written quote.
- What tank type and volume is the quote based on?
- Does it include travel, disposal, any inspection and VAT where applicable?
- Are difficult access, extra volume, emergency attendance or an abortive visit charged separately?
- If comparing quotes, give every firm the same information. A tank-emptying quote may not include fault diagnosis or repair.
Keep costs attached to their date and job
- Ask whether the price is fixed for the described job or an estimate subject to inspection.
- Record any additional charges authorised during the visit.
- Check a published tariff again when booking; do not treat this dated guide as a firm’s current offer.