Knowledge base
UK HR, explained.
Clear answers to the questions UK employers and employees ask most. Each article is written by people who build HR software, reviewed against current legislation, and cross-linked to the parts of Luna HR that handle it.
Compliance & Records
What is the correct UK redundancy procedure?
The legal definition of redundancy, the consultation requirements, selection criteria, and statutory redundancy pay.
Read answerWhat is the ACAS Code on disciplinary procedures?
The minimum fair-process steps every UK employer should follow when disciplining or dismissing an employee.
Read answerHow long should I keep HR records under UK GDPR?
Recommended retention periods for the most common HR record types, and the principles behind them.
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Expenses
What are the HMRC AMAP mileage rates?
Approved Mileage Allowance Payment rates for cars, motorcycles, and bicycles, and how the 10,000-mile switch works.
Read answerWhat should a UK expense claim policy include?
The sections every UK employer's expense policy should cover, plus common edge cases.
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Hiring & Onboarding
How do I do a right to work check in the UK?
The three valid check methods, what counts as acceptable evidence, and how to maintain a statutory excuse.
Read answerWhat is a written statement of particulars (Section 1)?
What must be in the day-one statement under the Employment Rights Act 1996, and what can come later.
Read answerDBS checks: which level do I need and how do I request one?
The four levels of DBS check, who's eligible for each, and how to apply.
Read answerProbation periods in UK employment law: what's allowed and what isn't
Setting, extending, and ending probation periods — and the legal rights employees retain throughout.
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Leave & Absence
How does statutory maternity leave and pay work in the UK?
Eligibility, the 52-week leave structure, SMP calculation, KIT days, and how the return to work is protected.
Read answerHow much holiday am I entitled to in the UK?
UK statutory holiday entitlement, how it's calculated, and how part-time, term-time, and irregular hours workers fit in.
Read answerHow is holiday entitlement calculated for part-time workers in the UK?
Pro-rata holiday for part-time, term-time, and irregular-hours workers — including the 12.07% method and the Harpur Trust v Brazel impact.
Read answerHow do I calculate accrued holiday when an employee leaves?
The formula for paying out unused holiday on termination, plus how to handle overtaken leave.
Read answerWhat is statutory sick pay (SSP) and how does it work?
Eligibility, rates, the qualifying days rule, and how SSP interacts with company sick pay.
Read answerFit notes: what UK employers need to know
When fit notes are required, who can issue them, and how to handle a 'may be fit for work' return.
Read answerWhat is the Bradford Factor and how is it calculated?
The S² × D formula, what scores typically trigger action, and the criticisms of using it as the sole absence measure.
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Pay & Benefits
Training
Looking for a quick definition?
Browse the glossary for short, citable definitions of UK HR terms.
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