{ "name": "septictanksurveycost.co.uk UK Septic Tank Survey Price Index", "title": "UK Septic Tank Survey Price Index", "url": "https://septictanksurveycost.co.uk/datasets/uk-septic-tank-survey-price-index/", "csv": "https://septictanksurveycost.co.uk/datasets/uk-septic-tank-survey-price-index.csv", "markdown": "https://septictanksurveycost.co.uk/datasets/uk-septic-tank-survey-price-index/index.md", "computed_at": "2026-10-28", "license": "https://septictanksurveycost.co.uk/terms", "headline": "The UK Septic Tank Survey Price Index carries 3 published figures read from 3 sources' own pages, from 250 to 350 GBP, read 27 October 2026.", "quotes": [ "The UK Septic Tank Survey Price Index carries 3 published figures read from 3 sources' own pages, from 250 to 350 GBP, read 27 October 2026.", "3 of the 40 named sources read in full publish a figure; 37 publish none, read 27 October 2026.", "UK Septic Tank Survey Price Index, survey-scope written-survey: median 325 GBP across 2 sources, read 27 October 2026.", "UK Septic Tank Survey Price Index, survey-scope visual-check: median 250 GBP across 1 source, read 27 October 2026." ], "citation": "\"septictanksurveycost.co.uk UK Septic Tank Survey Price Index\", updated 2026-10-28, https://septictanksurveycost.co.uk/datasets/uk-septic-tank-survey-price-index/.", "changed_since": null, "national": { "unit": "GBP", "n": 3, "median": 300, "min": 250, "max": 350, "p25": 250, "p75": 350, "mean": 300, "units": { "GBP": 3 }, "published_sources": 3, "named_sources": 44, "read_sources": 40, "not_published": 37, "published_share": 0.075 }, "by_axis": { "survey-scope": { "written-survey": { "GBP": { "n": 2, "median": 325, "min": 300, "max": 350, "p25": null, "p75": null, "mean": 325 } }, "visual-check": { "GBP": { "n": 1, "median": 250, "min": 250, "max": 250, "p25": 250, "p75": 250, "mean": 250 } } } }, "rows": [ { "source": "How Much Does a Professional Septic Tank Survey Cost?", "url": "https://clearflowsurveys.com/blogs/how-much-does-a-professional-septic-tank-survey-cost", "figure": "£300 ", "value": 300, "unit": "GBP", "vat": "ex", "axis": { "survey-scope": "written-survey" }, "retrieved_at": "2026-10-27", "quote": "However, a professional septic tank survey typically starts from around £300 + VAT.", "source_class": "primary-provider-own-site", "text_sha256": "fc68495549b0387546254163c698e96127f77111ab7d0b3d702030ac0252c5ab" }, { "source": "Septic Tank Emptying Services", "url": "https://fastfixdrainageandplumbing.co.uk/septic-tanks/septic-surveys/", "figure": "£350", "value": 350, "unit": "GBP", "vat": null, "axis": { "survey-scope": "written-survey" }, "retrieved_at": "2026-10-27", "quote": "Standard Domestic Property Survey – From £350", "source_class": "primary-provider-own-site", "text_sha256": "5614e34cc4c15354df34281454cd475451418d10196c2b9c24d6f0f43463078e" }, { "source": "Draiange Surveys", "url": "https://www.homeseptic.co.uk/drainage-survey/", "figure": "£250.", "value": 250, "unit": "GBP", "vat": null, "axis": { "survey-scope": "visual-check" }, "retrieved_at": "2026-10-27", "quote": "This gives those buying a house with an old septic system, cesspit or sewage treatment plant the comfort and assurance they need. If you would like us to just pop in and give the system a once over and verbally let you know the condition of the system we can do this for £250.", "source_class": "primary-provider-own-site", "text_sha256": "9401493df5054b1e59c450016b34626066d0ac705d9478b258efeaa9a5926676" } ], "not_published": [ { "source": "Home buyers septic surveys across the UK", "url": "https://www.premiertechaqua.com/en-gb/service/home-buyer-septic-survey", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Pre-Purchase Survey", "url": "https://www.auger.co.uk/prepurchasesurvey-faqs", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Help & Advice Archive", "url": "https://www.metrorod.co.uk/news/home-buyers-drainage-survey/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Our Norfolk Sewage Treatment Services", "url": "https://allertonuk.com/stp-and-septic-tanks-in-norfolk", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "What to do if you're buying or selling a home with a septic tank", "url": "https://www.premiertechaqua.com/en-gb/service/buy-sell-home-with-septic", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Pre?Purchase Drain & Septic Surveys for Property Buyers", "url": "https://www.metrorod.co.uk/help-and-advice/blogs/prepurchase-drain-survey-septic-tank-survey/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Homeseptic", "url": "https://homeseptic.co.uk/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Our Cambridgeshire Sewage Treatment Services", "url": "https://allertonuk.com/stp-and-septic-tanks-in-cambridgeshire", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Home", "url": "https://parkstanks.co.uk/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Pre-Purchase Drainage Survey", "url": "https://www.auger.co.uk/pre-purchase-survey", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Septic Tank Surveys", "url": "https://www.homeseptic.co.uk/septic-tank-survey/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Cost of Installing a Septic Tank by Specialists", "url": "https://www.mybuilder.com/groundwork-foundations/price-guides/septic-tank-cost", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "8 things to check when buying a house with a septic tank", "url": "https://www.homebuilding.co.uk/advice/buying-a-house-with-a-septic-tank", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "Septic Tank Emptying Cost Guide (UK 2026 Prices)", "url": "https://www.myjobquote.co.uk/costs/cleaning-and-emptying-septic-tank", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "Cost to Replace a Septic Tank in 2026 UK Guide", "url": "https://www.bookabuilderuk.com/blog/septic-tank-replacement-cost-2026", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "Arrange to empty a cesspool or septic tank, Rotherham Metropolitan Borough Coun", "url": "https://rotherham.gov.uk/pollution/arrange-empty-cesspool-septic-tank/2", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Septic tanks and cesspool emptying", "url": "https://www.bromsgrove.gov.uk/residents/my-place/septic-tanks-and-cesspool-emptying", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "2026 guide to buying or selling a home with a septic tank", "url": "https://www.premiertechaqua.com/en-gb/blog/buying-house-septic", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Septic Tank Services", "url": "https://www.septictankservices.co.uk/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "What are the considerations for buying properties with a septic tank?", "url": "https://www.brachers.co.uk/insights/what-are-the-considerations-for-buying-properties-with-a-septic-tank", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Homeseptic", "url": "https://www.homeseptic.co.uk/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Help & Advice Archive", "url": "https://www.metrorod.co.uk/news/septic-tank-services-dorset-portsmouth/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "General Binding Rules", "url": "https://allertonuk.com/general-binding-rules", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Septic Tank Emptying Lincolnshire", "url": "https://tardishire.co.uk/septic-tank-emptying-lincolnshire/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Request A Site Assessment, Tanks Direct", "url": "https://tanks-direct.co.uk/pages/request-a-site-assessment", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "Septic tank general binding rules 2020 and 2023", "url": "https://www.premiertechaqua.com/en-gb/blog/general-binding-rules-2020-are-you-compliant", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Auger", "url": "https://www.auger.co.uk/", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "Home", "url": "https://parkstanks.co.uk/services/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Allerton", "url": "https://allertonuk.com/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Blocked Drains Scottish Highlands & Islands Repair Services", "url": "https://metrorod.co.uk/local/scottish-highlands-islands", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Arrange to empty a cesspool or septic tank, Rotherham Metropolitan Borough Coun", "url": "https://www.rotherham.gov.uk/pollution/arrange-empty-cesspool-septic-tank/3", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Renewal of Septic Tank Plant, Courtenay Cottages, Washfield", "url": "https://www.find-tender.service.gov.uk/Notice/011396-2026", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "Drainage Surveys Jetting Clearance and Remedial Works", "url": "https://www.contractsfinder.service.gov.uk/Notice/f3cbda48-ea99-45b9-8ada-9d5d09a3cd3f", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" }, { "source": "Help & Advice Archive", "url": "https://www.metrorod.co.uk/glasgow", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Free site assessment for your septic installation", "url": "https://www.premiertechaqua.com/en-gb/service/domestic-design", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Home Buyer Septic Surveys", "url": "https://www.homeseptic.co.uk/home-buyer-survey/", "retrieved_at": "2026-10-27", "reason": "read in full and no accepted figure on the page" }, { "source": "Buying a House with a Septic Tank", "url": "https://www.samconveyancing.co.uk/news/house-survey/buying-a-home-with-septic-tank", "retrieved_at": "2026-10-27", "reason": "every candidate on the page was refused" } ], "sources": [ { "url": "https://www.premiertechaqua.com/en-gb/service/home-buyer-septic-survey", "label": "Home buyers septic surveys across the UK", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.auger.co.uk/prepurchasesurvey-faqs", "label": "Pre-Purchase Survey", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.metrorod.co.uk/news/home-buyers-drainage-survey/", "label": "Help & Advice Archive", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://allertonuk.com/stp-and-septic-tanks-in-norfolk", "label": "Our Norfolk Sewage Treatment Services", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.premiertechaqua.com/en-gb/service/buy-sell-home-with-septic", "label": "What to do if you're buying or selling a home with a septic tank", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.metrorod.co.uk/help-and-advice/blogs/prepurchase-drain-survey-septic-tank-survey/", "label": "Pre?Purchase Drain & Septic Surveys for Property Buyers", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://homeseptic.co.uk/", "label": "Homeseptic", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://allertonuk.com/stp-and-septic-tanks-in-cambridgeshire", "label": "Our Cambridgeshire Sewage Treatment Services", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://parkstanks.co.uk/", "label": "Home", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.auger.co.uk/pre-purchase-survey", "label": "Pre-Purchase Drainage Survey", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.homeseptic.co.uk/septic-tank-survey/", "label": "Septic Tank Surveys", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.mybuilder.com/groundwork-foundations/price-guides/septic-tank-cost", "label": "Cost of Installing a Septic Tank by Specialists", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.homebuilding.co.uk/advice/buying-a-house-with-a-septic-tank", "label": "8 things to check when buying a house with a septic tank", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.myjobquote.co.uk/costs/cleaning-and-emptying-septic-tank", "label": "Septic Tank Emptying Cost Guide (UK 2026 Prices)", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.bookabuilderuk.com/blog/septic-tank-replacement-cost-2026", "label": "Cost to Replace a Septic Tank in 2026 UK Guide", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://rotherham.gov.uk/pollution/arrange-empty-cesspool-septic-tank/2", "label": "Arrange to empty a cesspool or septic tank, Rotherham Metropolitan Borough Coun", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.bromsgrove.gov.uk/residents/my-place/septic-tanks-and-cesspool-emptying", "label": "Septic tanks and cesspool emptying", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.premiertechaqua.com/en-gb/blog/buying-house-septic", "label": "2026 guide to buying or selling a home with a septic tank", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.mybuilder.com/plumbing/price-guides/drain-survey-cost", "label": "Drain Survey Cost Guide", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.checkatrade.com/blog/hub/septic-tank/", "label": "checkatrade.com", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.septictankservices.co.uk/", "label": "Septic Tank Services", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.brachers.co.uk/insights/what-are-the-considerations-for-buying-properties-with-a-septic-tank", "label": "What are the considerations for buying properties with a septic tank?", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.homeseptic.co.uk/", "label": "Homeseptic", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.metrorod.co.uk/news/septic-tank-services-dorset-portsmouth/", "label": "Help & Advice Archive", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://allertonuk.com/general-binding-rules", "label": "General Binding Rules", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://tardishire.co.uk/septic-tank-emptying-lincolnshire/", "label": "Septic Tank Emptying Lincolnshire", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://tanks-direct.co.uk/pages/request-a-site-assessment", "label": "Request A Site Assessment, Tanks Direct", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.premiertechaqua.com/en-gb/blog/general-binding-rules-2020-are-you-compliant", "label": "Septic tank general binding rules 2020 and 2023", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.auger.co.uk/", "label": "Auger", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://parkstanks.co.uk/services/", "label": "Home", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://allertonuk.com/", "label": "Allerton", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://metrorod.co.uk/local/scottish-highlands-islands", "label": "Blocked Drains Scottish Highlands & Islands Repair Services", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.rotherham.gov.uk/pollution/arrange-empty-cesspool-septic-tank/3", "label": "Arrange to empty a cesspool or septic tank, Rotherham Metropolitan Borough Coun", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.uttlesford.gov.uk/article/5717/Septic-tanks-and-small-sewage-treatment-plants", "label": "uttlesford.gov.uk", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.find-tender.service.gov.uk/Notice/011396-2026", "label": "Renewal of Septic Tank Plant, Courtenay Cottages, Washfield", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.contractsfinder.service.gov.uk/Notice/f3cbda48-ea99-45b9-8ada-9d5d09a3cd3f", "label": "Drainage Surveys Jetting Clearance and Remedial Works", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.metrorod.co.uk/glasgow", "label": "Help & Advice Archive", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.premiertechaqua.com/en-gb/service/domestic-design", "label": "Free site assessment for your septic installation", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://clearflowsurveys.com/blogs/how-much-does-a-professional-septic-tank-survey-cost", "label": "How Much Does a Professional Septic Tank Survey Cost?", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.homeseptic.co.uk/home-buyer-survey/", "label": "Home Buyer Septic Surveys", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://fastfixdrainageandplumbing.co.uk/septic-tanks/septic-surveys/", "label": "Septic Tank Emptying Services", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.samconveyancing.co.uk/news/house-survey/buying-a-home-with-septic-tank", "label": "Buying a House with a Septic Tank", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.homeseptic.co.uk/drainage-survey/", "label": "Draiange Surveys", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.contractsfinder.service.gov.uk/Search", "label": "contractsfinder.service.gov.uk", "license": "the publisher's own terms; quoted for reporting and comment" } ], "methodology": "Every row is a verbatim sentence read from the named source's own page through our fetch service on the date shown, hash-pinned to the stored read (the sha of the page's visible text; the raw page is mirrored to R2). 3 of the 40 named sources that could be read published a usable figure; 37 published none and are recorded as not published, never filled in; 4 could not be read (blocked, dead or unreachable) and count nowhere. The headline figures (median, minimum, maximum, quartiles) are over ONE figure per source in GBP (a source's median where its page yielded several accepted sentences), so N counts sources, never sentences; 86 candidate sentence(s) were refused by a reviewer with the reason recorded. The fuller derivation this dataset is chartered to grow into (not yet what the figures above are; they are each source's own published figure as read): the median and range of PUBLISHED septic tank and treatment plant survey fees across UK off-mains specialists that publish one, VAT basis stated, split by what the survey includes (visual inspection, emptying, CCTV, drainage-field test, written General Binding Rules opinion); beside it the share of specialists that publish any fee, and the awarded unit prices public bodies disclose in contract notices", "embed": "

250 to 350 GBP

3 published figures, UK Septic Tank Survey Price Index, across 3 sources, read 27 October 2026

Source: septictanksurveycost.co.uk UK Septic Tank Survey Price Index
" }