The Complete Guide to Nanny Payroll in the UK

Are you wondering how nanny payroll works in the UK and why you should take it seriously? You’re in the right place. In this guide, I’ll walk you through the essential things you need to know—like your legal responsibilities, tax obligations, and how a service like Nanny Pay Pro keeps you fully compliant. By the end, you’ll see how simple payroll can be when you have the right tools.



Table of Contents


Understanding Nanny Payroll in the UK

Hiring a nanny isn’t like hiring a casual babysitter. You become an employer in the eyes of HMRC, which means you have to handle taxes and follow employment laws. It also means you can’t just pay your nanny in cash and hope for the best—paying “cash in hand” is risky and can lead to serious penalties.

One key piece of legislation is the Pay As You Earn (PAYE) system, which ensures tax and National Insurance contributions (NICs) are collected at source. This protects you from fines and helps your nanny build a proper employment record.

Comparison of Legal vs. Illegal Nanny Payroll Practices

Practice Legal Approach Illegal (Cash in Hand) Approach
Payroll Registration Register as an employer with HMRC No official registration; avoids paying taxes
Tax & NI Deductions Pay correct Income Tax and National Insurance Often no tax or NI is paid, breaking HMRC rules
Payslips & Records Issued regularly to both employer and nanny No formal payslips or record-keeping
Potential Penalties None, if all obligations are met Large fines, backdated taxes, potential legal action
Nanny Benefits & Protections Holiday pay, pension contributions, and legal entitlements No official employment status or legal protections for nanny


Do I Need to Register as an Employer?

If you pay your nanny more than £123 per week, you must register as an employer with HMRC. It’s a straightforward process:

  1. Go to the Gov.uk website and choose “Register as an Employer.”
  2. Complete the required information.
  3. Receive your PAYE reference number.

Once registered, you’ll have to manage payroll, deduct tax and NICs, and handle other responsibilities that come with being an employer.

Employer Responsibilities at a Glance

Here’s a quick look at the basics you must handle:

  • Tax & National Insurance: Deduct these from your nanny’s salary and pay the employer portion.
  • Payslips: Provide an itemized payslip every payday.
  • Employer NICs: Contribute to National Insurance for your nanny.
  • Holiday Pay: At least 5.6 weeks of paid leave per year.
  • Statutory Sick Pay & Maternity Leave: Must be provided when needed.

Employer Responsibilities Checklist

Responsibility What It Entails
Deducting Tax & NI Calculate and withhold the correct amounts from your nanny’s pay
Paying Employer NICs Contribute your portion of National Insurance as an employer
Providing Payslips Give an itemized payslip each payday showing gross pay, deductions, and net pay
Holiday Pay Offer at least 5.6 weeks of paid leave per year
Statutory Sick Pay (SSP) Pay eligible sick leave at the required rate
Maternity/Paternity Leave Provide eligible parental leave and pay as mandated by UK law
Pension Auto-Enrolment Enroll nanny in a workplace pension if they qualify


Gross vs. Net Salary: What Parents Need to Know

Why You Should Always Agree on Gross Salary

Gross salary is the total amount before deductions. Setting pay in gross terms protects everyone from surprise tax rate changes. Your nanny also gains credit for the right tax and pension contributions. It reduces confusion and keeps the relationship clear.

Net Salary Risks for Employers

If you agree on a net salary, you might end up paying more than expected if tax rates change. That can create awkward disputes or unexpected costs. It’s always safer to discuss pay in gross terms so both you and your nanny know exactly how much is set aside for deductions.

Gross vs. Net Salary: Cost Breakdown for Employers

Gross Salary (Example): £2,000/month

  • Income Tax (Approx. £200)
  • National Insurance (Approx. £100)
  • Possible Deductions (e.g., Pension or Student Loan)

Net Pay to Nanny (After Deductions): £1700/month

By agreeing on a gross salary, you avoid surprises when tax rates change and ensure proper contributions are made to taxes and pensions.


Tax, National Insurance, and Other Deductions

How Much Tax Does a Nanny Pay?

Nannies pay tax according to income tax bands. National Insurance is also deducted. The amount depends on how much they earn. You, as the employer, handle these calculations and pass them on to HMRC.

Other Deductions That May Apply

  • Student Loan Repayments
  • Postgraduate Loan Deductions
  • Pension Contributions

Example Salary Breakdown

Gross Monthly Salary Income Tax Employee NI Employer NI Pension Final Net Pay
£2,000 -£150 -£120 £200 -£60 £1,670

Note: Figures are approximate and for illustration purposes only. Actual tax, NI, and pension values depend on current rates and individual circumstances.


How to Register as an Employer with HMRC

Step-by-Step Guide

  1. Go to Gov.uk and select “Register as an Employer.”
  2. Obtain a PAYE Reference Number – This uniquely identifies your payroll.
  3. Set Up a Nanny Payroll System – You can do this manually or through a platform like Nanny Pay Pro.
  4. Submit Real-Time Information (RTI) Reports – Each time you pay your nanny, you let HMRC know.

Nanny Pay Pro handles all of these inquiries for you as well!


Payslips and Payroll Reporting: Staying Compliant

What Information Must Be on a Payslip?

Payslips should include:

  • Gross pay
  • Tax deductions
  • National Insurance contributions
  • Pension contributions (if any)

Real-Time Information (RTI) Reporting

You must submit payroll data to HMRC on or before each payday. Missing these reports can trigger penalties.
Tip: Nanny Pay Pro handles RTI automatically, reducing your risk of fines.


Pension Auto-Enrolment: Do You Need to Provide One?

Who Qualifies for a Workplace Pension?

If your nanny earns £10,000+ a year and is between 22 and State Pension Age, you need to enroll them in a pension scheme. You must contribute at least 3% of their earnings.

How to Set Up a Pension Scheme for Your Nanny

Many providers, like Nest or The People’s Pension, cater to small employers. Nanny Pay Pro can integrate with these schemes, handling enrollments and contributions seamlessly.


Why Parents Should Use a Nanny Payroll Service

The Challenges of DIY Payroll

Handling nanny payroll on your own can get complicated:

  • You need to run monthly or weekly calculations, submit them to HMRC, and track all deductions accurately.
  • Missing deadlines can lead to fines.
  • Managing pension auto-enrolment is another time-consuming task.

Benefits of Using a Payroll Service Like Nanny Pay Pro

  • Automatic Calculations & Filings: The system calculates tax and NICs for you.
  • Instant Payslips: No more manual spreadsheets.
  • Pension Auto-Enrolment: Quickly set up and maintain pension plans.
  • Simple Time-Off Tracking: Nannies can request holidays, and you can approve them online.

How Nanny Pay Pro Makes Payroll Effortless

Features That Set Nanny Pay Pro Apart

Nanny Pay Pro is a custom-built payroll platform, specifically designed for nanny employers. It’s different from some other payroll providers that rely on white-labeled software (​:contentReference[oaicite:0]{index=0}). With Nanny Pay Pro, you get:

  • Automated Payroll: Run everything in one click.
  • HMRC Compliance: Real-Time Information (RTI) submissions every payday.
  • Employee Hub: Your nanny can view payslips, request time off, and track everything in one place.
  • Flat Pricing: A transparent cost model without hidden fees.

How to Get Started with Nanny Pay Pro

  1. Sign Up: Provide a few details, and create your account.
  2. Add Your Nanny’s Details: Set salary, hours, and any special deductions.
  3. Run Payroll: Approve payslips and let Nanny Pay Pro do the rest.

Nanny Pay Pro vs. Other Payroll Services

  Nanny Pay Pro Other Payroll Services
Software Platform Custom-built for nanny payroll Often white-labeled or generic payroll software
Key Features Automated RTI, Employee Hub, Time-Off Tracking Basic payroll; may lack integrated portals
Compliance Handling Real-time tax calculations & filings Varies; may require manual intervention
Pricing Structure Flat annual fee, no hidden charges Complex tiers; possible extra service fees
Support & User Experience Self-service with intuitive interface Might need frequent calls to support
Pension Auto-Enrolment Seamlessly integrated May require separate setup


FAQs About Nanny Payroll

  1. Can I pay my nanny cash in hand?
    Paying a nanny in cash isn’t illegal by itself, but failing to report it to HMRC is. You must still run payroll and pay taxes.
  2. What happens if I don’t pay my nanny’s tax?
    You could face fines from HMRC, and your nanny might lose out on certain benefits.
  3. Do I need to provide a contract for my nanny?
    Yes. Written contracts protect both you and your nanny.
  4. What if my nanny leaves before the end of the tax year?
    You must issue a P45 form when any employee leaves.
  5. How much does Nanny Pay Pro cost?
    Plans start at £249 per year with no extra charges for additional services.

Conclusion: Make Payroll Stress-Free with Nanny Pay Pro

Nanny payroll in the UK can feel daunting. You have to manage taxes, National Insurance, payslips, pensions, and more. But with the right system, it’s not that complicated. Nanny Pay Pro automates these tasks, keeps you compliant, and saves you hours of administrative work.

Key Benefits of Nanny Pay Pro in One Glance

  • Automated Payroll: Runs tax and NIC calculations with a single click.
  • Employee Hub: Nannies can access payslips, request time off, and track pension contributions online.
  • Compliance Guaranteed: Real-Time Information (RTI) filed automatically with HMRC.
  • Flat Pricing: Transparent cost with no hidden fees.
  • Time Savings: Everything from payslips to pension enrollments is handled in one platform.

Sign up now and let Nanny Pay Pro take care of the rest!


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