§ SOURCES
Primary sources
Every numeric claim on this site is cited inline next to the figure. This page lists the eight primary datasets that recur across pages, with retrieval dates.
◇ Oliver Wakefield-Smith · Refreshed June 2026
Anchor sources
- ONS ASHE 2025, Table 14.6a (SOC 1158 / 2152) · Office for National Statistics · https://www.ons.gov.uk/employmentandlabourmarket/peopleinwork/earningsandworkinghours/datasets/occupation4digitsoc2010ashetable14 · retrieved 2026-06-22
- Institute of Conservation (Icon) Salary and Working Conditions Survey 2024 · Institute of Conservation · https://www.icon.org.uk/news/the-icon-salary-survey-2024.html · retrieved 2026-06-22
- Countryside Jobs Service (CJS) Pay and Conditions Survey 2024 · Countryside Jobs Service · https://www.countryside-jobs.com/ · retrieved 2026-06-22
- CIEEM Salary and Conditions Survey 2024 · Chartered Institute of Ecology and Environmental Management · https://cieem.net/i-am/cieem-publications/salary-survey-2024/ · retrieved 2026-06-22
- NJC pay spine 2026/27 (LGE) · Local Government Association / Employers · https://www.local.gov.uk/our-support/workforce-and-hr-support/local-government-services/national-joint-council-local-government · retrieved 2026-06-22
- Civil Service Pay Remit Guidance 2026/27 · Cabinet Office · https://www.gov.uk/government/publications/civil-service-pay-remit-guidance-2026-to-2027 · retrieved 2026-06-22
- HMRC tax and NI thresholds 2026/27 · HM Revenue and Customs · https://www.gov.uk/income-tax-rates · retrieved 2026-06-22
- gov.uk Student Loans 2026/27 · Department for Education · https://www.gov.uk/repaying-your-student-loan/what-you-pay · retrieved 2026-06-22
Method note
Inline citations adjacent to every numeric claim are the heavy lifting; this page is a registry, not a methodology page. For the take-home reckoner math see how take-home is calculated. For the editorial approach see methodology.