{ "name": "buildingsafetylevycalculator.co.uk BSL Liability and Exemptions", "title": "BSL Liability and Exemptions", "url": "https://buildingsafetylevycalculator.co.uk/datasets/bsl-liability-and-exemptions/", "csv": "https://buildingsafetylevycalculator.co.uk/datasets/bsl-liability-and-exemptions.csv", "markdown": "https://buildingsafetylevycalculator.co.uk/datasets/bsl-liability-and-exemptions/index.md", "computed_at": "2026-10-28", "license": "https://buildingsafetylevycalculator.co.uk/terms", "headline": "The BSL Liability and Exemptions carries 1 published figure read from 1 source's own page, from 50 to 50 percent, read 28 October 2026.", "quotes": [ "The BSL Liability and Exemptions carries 1 published figure read from 1 source's own page, from 50 to 50 percent, read 28 October 2026.", "2 of the 18 named sources read in full publish a figure; 16 publish none, read 28 October 2026." ], "citation": "\"buildingsafetylevycalculator.co.uk BSL Liability and Exemptions\", updated 2026-10-28, https://buildingsafetylevycalculator.co.uk/datasets/bsl-liability-and-exemptions/.", "changed_since": null, "national": { "unit": "%", "n": 1, "median": 50, "min": 50, "max": 50, "p25": 50, "p75": 50, "mean": 50, "units": { "%": 1, "day": 1 }, "published_sources": 2, "named_sources": 18, "read_sources": 18, "not_published": 16, "published_share": 0.111 }, "by_axis": {}, "rows": [ { "source": "UK Parliament: written statement on the BSL", "url": "https://questions-statements.parliament.uk/written-statements/1787440", "figure": "50%", "value": 50, "unit": "%", "vat": null, "axis": {}, "retrieved_at": "2026-10-28", "quote": "A discounted rate of 50% of the standard levy rate has been set for works on previously developed (sometimes known as ‘brownfield’) land, to reflect the higher cost of building on this type of land.", "source_class": "primary-government", "text_sha256": "343f75b19d2ff3d994eff815bcc13089500c4294cedaa6b162f0553305ee8cb3" }, { "source": "East Hampshire: BSL guidance", "url": "https://www.easthants.gov.uk/building-control/building-safety-levy-guidance", "figure": "28 days", "value": 28, "unit": "day", "vat": null, "axis": {}, "retrieved_at": "2026-10-28", "quote": "Developers who disagree with a levy charge or refund decision can request a review within 28 days.", "source_class": "primary-government", "text_sha256": "d35d3e432be2170d2133e1a3a94d5616e1ea0d67c9eb63af1a189851d6533a6f" } ], "not_published": [ { "source": "The Building Safety Levy (England) Regulations 2025 (SI 2025/1236)", "url": "https://www.legislation.gov.uk/uksi/2025/1236/contents/made", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "Draft Building Safety Levy (England) Regulations 2025 (full text)", "url": "https://www.legislation.gov.uk/ukdsi/2025/9780348273779", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "The Building Safety Levy (Amendment) (England) Regulations 2026 (SI 2026/1034)", "url": "https://www.legislation.gov.uk/uksi/2026/1034/contents/made", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "Building Safety Act 2022, section 58: the levy power", "url": "https://www.legislation.gov.uk/ukpga/2022/30/section/58", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "GOV.UK: Building Safety Levy guidance", "url": "https://www.gov.uk/guidance/building-safety-levy-guidance", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "GOV.UK BSL guidance, Section 1: introduction", "url": "https://www.gov.uk/guidance/building-safety-levy-guidance/section-1-introduction", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "GOV.UK BSL guidance, Section 3: advice for developers", "url": "https://www.gov.uk/guidance/building-safety-levy-guidance/section-3-advice-for-developers-of-residential-buildings", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "GOV.UK BSL guidance, Section 4: advice for local authorities", "url": "https://www.gov.uk/guidance/building-safety-levy-guidance/section-4-advice-for-local-authorities", "retrieved_at": "2026-10-28", "reason": "read in full and no accepted figure on the page" }, { "source": "MHCLG letter to local authority chief executives on the BSL", "url": "https://www.cityoflondon.gov.uk/assets/Services-Environment/MHCLG-letter-Building-Safety-Levy-to-LA-CEOs-v2.pdf", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "Arun District Council: BSL", "url": "https://www.arun.gov.uk/building-safety-levy", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "Stroud District Council: BSL", "url": "https://www.stroud.gov.uk/planning-and-building-control/building-safety-levy/", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "West Suffolk Council: BSL", "url": "https://www.westsuffolk.gov.uk/planning/building_regulations/building-safety-levy.cfm", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "Inside Housing: exemptions confirmed", "url": "https://insidehousing.co.uk/news/government-confirms-building-safety-levy-exemptions-84890", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "SOCOTEC Building Control: new BSL", "url": "https://www.socotecbuildingcontrol.co.uk/media/news/new-building-safety-levy", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "Charles Russell Speechlys: 2026 amendments", "url": "https://www.charlesrussellspeechlys.com/en/insights/expert-insights/construction-engineering-and-projects/2026/building-safety-levy-what-do-the-proposed-2026-amendments-mean/", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" }, { "source": "LABC: get ready for the BSL", "url": "https://www.labc.co.uk/news/get-ready-for-the-building-safety-levy-and-future-homes-standard", "retrieved_at": "2026-10-28", "reason": "every candidate on the page was refused" } ], "sources": [ { "url": "https://www.legislation.gov.uk/uksi/2025/1236/contents/made", "label": "The Building Safety Levy (England) Regulations 2025 (SI 2025/1236)", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.legislation.gov.uk/ukdsi/2025/9780348273779", "label": "Draft Building Safety Levy (England) Regulations 2025 (full text)", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.legislation.gov.uk/uksi/2026/1034/contents/made", "label": "The Building Safety Levy (Amendment) (England) Regulations 2026 (SI 2026/1034)", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.legislation.gov.uk/ukpga/2022/30/section/58", "label": "Building Safety Act 2022, section 58: the levy power", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.gov.uk/guidance/building-safety-levy-guidance", "label": "GOV.UK: Building Safety Levy guidance", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.gov.uk/guidance/building-safety-levy-guidance/section-1-introduction", "label": "GOV.UK BSL guidance, Section 1: introduction", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.gov.uk/guidance/building-safety-levy-guidance/section-3-advice-for-developers-of-residential-buildings", "label": "GOV.UK BSL guidance, Section 3: advice for developers", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.gov.uk/guidance/building-safety-levy-guidance/section-4-advice-for-local-authorities", "label": "GOV.UK BSL guidance, Section 4: advice for local authorities", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://questions-statements.parliament.uk/written-statements/1787440", "label": "UK Parliament: written statement on the BSL", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.cityoflondon.gov.uk/assets/Services-Environment/MHCLG-letter-Building-Safety-Levy-to-LA-CEOs-v2.pdf", "label": "MHCLG letter to local authority chief executives on the BSL", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.arun.gov.uk/building-safety-levy", "label": "Arun District Council: BSL", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.stroud.gov.uk/planning-and-building-control/building-safety-levy/", "label": "Stroud District Council: BSL", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.westsuffolk.gov.uk/planning/building_regulations/building-safety-levy.cfm", "label": "West Suffolk Council: BSL", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.easthants.gov.uk/building-control/building-safety-levy-guidance", "label": "East Hampshire: BSL guidance", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://insidehousing.co.uk/news/government-confirms-building-safety-levy-exemptions-84890", "label": "Inside Housing: exemptions confirmed", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.socotecbuildingcontrol.co.uk/media/news/new-building-safety-levy", "label": "SOCOTEC Building Control: new BSL", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.charlesrussellspeechlys.com/en/insights/expert-insights/construction-engineering-and-projects/2026/building-safety-levy-what-do-the-proposed-2026-amendments-mean/", "label": "Charles Russell Speechlys: 2026 amendments", "license": "the publisher's own terms; quoted for reporting and comment" }, { "url": "https://www.labc.co.uk/news/get-ready-for-the-building-safety-levy-and-future-homes-standard", "label": "LABC: get ready for the BSL", "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). 2 of the 18 named sources that could be read published a usable figure; 16 published none and are recorded as not published, never filled in; 0 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 % (a source's median where its page yielded several accepted sentences), so N counts sources, never sentences; 100 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): a decision table: liable person, trigger (building control application or initial notice on or after 1 October 2026), the exemptions with their thresholds, the PDL discount test, payment and review deadlines, each line cited to the regulation that sets it", "embed": "

50 to 50 percent

1 published figures, BSL Liability and Exemptions, across 1 source, read 28 October 2026

Source: buildingsafetylevycalculator.co.uk BSL Liability and Exemptions
" }