If you've ever looked at a firework and noticed the label F1, F2, F3 or F4, you may have wondered what those letters and numbers actually mean.
They're not quality ratings or indicators of how good a firework is. Instead, they're categories that help explain where a firework can be used, the level of hazard involved and the amount of space needed to enjoy it safely.
At News Box Fireworks, this is one of the questions we're asked most often, so we've put together this straightforward guide to help you understand the differences.
Firework categories exist to help people choose products that are suitable for their intended use.
A small family garden needs different fireworks from a large organised display, and the category helps indicate which products are appropriate.
Choosing the correct category is an important part of planning a safe and enjoyable display.
Category F1 fireworks are designed to present a very low hazard and low noise level.
They're intended for use in confined areas and are commonly used for celebrations such as birthdays, weddings and indoor events where appropriate.
Typical examples include:
Although they're considered low hazard, they should still be used exactly as instructed by the manufacturer.
F2 fireworks are the category most people buy for family celebrations and garden displays.
These fireworks are designed for outdoor use where there is enough space to maintain the recommended safety distances.
Examples include:
For many customers, F2 fireworks offer the ideal balance of colourful effects, ease of use and suitability for typical UK gardens.
F3 fireworks create larger, more powerful displays than F2 products.
They generally produce higher bursts, louder effects and more dramatic finales, making them suitable for larger private spaces where the recommended safety distances can be achieved.
Examples include:
If you're organising a larger celebration and have enough space available, F3 fireworks can create a truly memorable display.
Category F4 fireworks are professional display fireworks.
They are intended for trained professionals and are not available for general consumer use.
These fireworks are typically used at large public events and professional displays.
Choosing the right category depends on several factors.
Ask yourself:
If you're unsure, it's always worth asking a specialist retailer for advice before making your purchase.
One of the biggest misconceptions is that a higher category automatically means a better firework.
That's not true.
A carefully selected F2 firework can often produce a more enjoyable display in an average-sized garden than a much larger firework that isn't suited to the available space.
The best display is one that's planned around your location, audience and experience.
One question we hear regularly is:
"Should I buy F3 fireworks because they're bigger?"
Not always.
If you have a typical family garden, a selection of quality F2 cakes and fountains can often create a better-balanced display than simply choosing the biggest fireworks available.
The goal is to choose fireworks that fit your space, not just your budget.
Is F3 better than F2?
Not necessarily. F3 fireworks are larger and require more space, but F2 fireworks are often the better choice for most home garden displays.
Can I buy F4 fireworks?
F4 fireworks are intended for trained professionals and are not sold for general consumer use.
Are all garden fireworks F2?
Many are, but some larger consumer fireworks fall into the F3 category. Always check the product label and instructions.
Why do categories matter?
The categories help you choose fireworks that are appropriate for your location and can be used safely according to the manufacturer's guidance.
Understanding firework categories makes choosing the right products much easier.
Rather than focusing on buying the biggest fireworks available, think about your garden size, your audience and the type of display you'd like to create.
At News Box Fireworks, we're always happy to help customers select fireworks that suit their celebration, whether it's a quiet family evening or a spectacular Bonfire Night display.