Septic tank survey

The rows

UK Septic Tank Survey Price Index: every published figure

Updated

These are the 3 providers that print a number on their own page. The median is £300; the rest answer with a quote form and are listed separately.

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What each provider publishes

Homeseptic

Publishes £250 for a visit and a verbal opinion on the system's condition, read 2026-10-27; its formal pre-purchase report is £500 + VAT on its survey page.

Source: Homeseptic drainage survey page

ClearFlow Surveys

Publishes a professional septic tank survey from around £300 + VAT, read 2026-10-27.

Source: ClearFlow Surveys survey cost page

Fastfix Drainage

Publishes a standard domestic property survey from £350, read 2026-10-27.

Source: Fastfix Drainage septic surveys page

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Two minutes of questions and drainage engineers covering your area quote you directly. Free, no obligation.

What you need

What needs surveying?

Where the system discharges, if you know, and any date the survey must be done by.

  • Free, no obligation
  • Your details go to drainage engineers covering your area, and to no one else
  • Takes about two minutes

Get a price for the survey before you exchange.

Two minutes of questions and drainage engineers covering your area quote you directly. Free, no obligation.

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Sources

This site's own dataset, every figure quoted from its source and dated:

  1. Home buyers septic surveys across the UK
  2. Pre-Purchase Survey
  3. Help & Advice Archive
  4. Our Norfolk Sewage Treatment Services
  5. What to do if you're buying or selling a home with a septic tank
  6. Pre?Purchase Drain & Septic Surveys for Property Buyers
  7. Homeseptic (its own page, listed on this site's dataset page)
  8. Our Cambridgeshire Sewage Treatment Services
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