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How Do I Work Out Fair Monthly Nursery Fees When Months Have Different Numbers of Days?

Parents query nursery bills when months differ or the setting closes for bank holidays. We build fee plans that average your year and explain each invoice.

Updated 3 min readBy SpiderHunts Technologies

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Quick answer — TL;DR

Nurseries usually charge the same amount each month by averaging the year, but closure days, part-month starts and mid-year pattern changes break the average and prompt parent queries. We build fee plans that apply your averaging method, handle starts, leavers and pattern changes pro rata by your rules, and state on each invoice how the figure was reached.

'Why is my February bill the same as March?'

Your terms say fees are charged in equal monthly instalments, averaged over the weeks you are open. It is simple for parents to budget. Then a parent notices February has fewer days than March and asks why they pay the same. Another family starts on the 17th of the month and gets a bill that seems too high. A child changes from three days to two in November, and the office works out a part month by hand.

In December, the setting closes for a week. A new parent asks why closure days are charged. The answer is in the averaging, but it takes a long email to explain, and each part-month calculation is done a little differently depending on who does it.

Why averaged fees cause confusion

  • The averaging method is written in the terms but applied by hand at edges: starts, leavers, changes.
  • Part months are calculated by days, by sessions or by weeks, depending on who does it.
  • Closure days and bank holidays are already built into the average, which parents do not always realise.
  • Pattern changes mid month need two calculations blended together.
  • The invoice shows only the monthly total, so parents cannot see how it was reached.

How you set fees and which closures are included is a decision for you and your terms. We build around your method, not ours.

What the confusion costs

Parent queries take time and some goodwill. Inconsistent part-month calculations mean two families in the same situation pay different amounts, and parents compare notes. Errors at starts and leavers either lose income or overcharge, and correcting them means credit notes. The office spends time explaining the same averaging method every term.

How we build fee plans

  1. Your averaging method is set once: the weeks you charge for, how the annual total is divided, and which closures it already accounts for.
  2. Each child's regular sessions produce their monthly fee automatically from your price list.
  3. Starts and leavers are calculated using your pro rata rule, whether by sessions, days or weeks, the same way every time.
  4. A pattern change during a month is split at the date of change, with each part shown.
  5. The invoice carries a short line explaining the figure, for example 'three days a week, averaged monthly over your charged weeks'.
  6. A parent-facing summary of the year shows what they will pay each month, including the part months at the start or end.
SituationHow it is calculatedWhat the parent sees
Normal monthYour annual fee divided as your terms saySame monthly amount, method explained
Starting mid monthYour pro rata rule from the start datePart month with dates
Changing days mid monthOld and new pattern split at the dateTwo lines with dates
Leaving mid monthYour pro rata rule to the last dayFinal part month with dates
Closure weekAlready within the averageNo change, and a note if you wish

After the change

The parent who asked about February gets a clear answer on the invoice itself. The family starting on the 17th see a part month with dates and the calculation. The November pattern change shows as two lines. Staff do not calculate anything by hand, and two families in the same situation always pay the same.

When you review prices for next year, the new annual figures and monthly instalments are produced for every family at once.

Signs this is you

  • Parents query why monthly fees do not vary with the days in the month.
  • Part months are worked out by hand.
  • Different staff calculate starts and leavers differently.
  • Closure days prompt questions every year.
  • Invoices show only a total, with no explanation.

FAQ

Frequently asked questions

The questions readers ask us after this guide.

Still have a question?

Ask us directly — a senior engineer will get back to you.

Ask about your project

Can you tell us the best way to set fees?

No. Your fee method is a business decision, and your accountant can advise on it. We apply the method you choose consistently.

Does this handle funded hours too?

Yes. Funded hours are deducted as your funding policy says, and the averaged paid fee is what remains.

Can parents see a year's schedule of payments?

Yes, a simple schedule showing each month's amount, including part months, can be sent or shown in the parent app.

What if our nursery software already averages fees?

If it applies your method correctly, including edge cases, you may only need it set up differently, and we will say so.

What affects the cost?

The number of fee patterns, how starts and changes are handled today and where invoices are created.

Keep reading

More on Problems We Solve

Start here

Tell us where the nursery admin piles up

Describe how a normal week runs in your setting: how bookings, funding, invoices and parent messages are handled today, and which nursery software, spreadsheets and accounting package you already use. We will tell you what we would build and what we would leave alone, and if your current nursery system already does the job with a setting changed, we will say so.

  1. You tell us what you needTwo minutes on the form, or a message on WhatsApp.
  2. A senior engineer reviews itAnd comes back with questions, a realistic range and an honest view on fit.
  3. Free 30-minute scoping callWe talk through scope, options and a realistic estimate — with no obligation.
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