Righto, towing a trailer in the UK isn’t just about whacking on a number plate and hitting the road — there are rules, and if you’re not clued up, it could cost you your licence, a hefty fine, or worse, put someone in danger. Whether you’re towing a digger to a site or shifting a race car to the track, here’s a no-nonsense guide to keeping it all legal when you’re towing on British roads.
Licence Rules – Can You Tow Legally?
Let’s start with the basics. Your driving licence determines what you can legally tow.
If you passed your driving test before 1st January 1997, you can tow a trailer up to a combined vehicle and trailer weight of 8,250kg MAM. That’s a fair chunk.
Passed after 1st January 1997? You were previously limited, but from 16 December 2021, all standard car licence holders (Category B) can now tow trailers up to 3,500kg MAM.
Still unsure? Head to the GOV.UK towing licence checker and punch in your details.
Speed Limits for Towing in the UK
Don’t be the hero flying past lorries in the fast lane. Speed limits when towing are lower:
50mph on single carriageways
60mph on dual carriageways and motorways
No right-lane use on motorways with three or more lanes (unless told otherwise by signs).
Yes, that means no matter how flash your tow car is, stay out of the fast lane. It’s not just about courtesy – it’s the law.
Towing Mirrors – Still Necessary with Cameras?
Even with a top-spec reversing camera setup, if your trailer blocks your rear view, you legally need extended towing mirrors. They give you the proper field of vision to see down both sides of the trailer — and they’re cheap insurance against fines and accidents.
Trailer Maintenance – Not Optional
Your trailer needs to be roadworthy. That means:
Working lights and indicators
Tyres with the correct pressure and tread
Brakes (if fitted) in working condition
Number plate matching the tow vehicle
It’s treated just like any other vehicle on the road — if it’s not safe, it shouldn’t be moving.
Weight Limits and Loads
Overloading is one of the biggest causes of trailer issues. Know your trailer’s Gross Vehicle Weight Rating (GVWR) and your vehicle’s towing capacity — and never exceed them. Distribute weight evenly, strap everything down, and use ratchet straps, not just hope and prayers.
Oh, and if you’re towing anything commercially, make sure you’re registered as a trailer operator if over 750kg and travelling internationally.
Know the UK Towing Rules
Look, towing’s not rocket science, but it’s not a free-for-all either. Know the rules, check your gear, and drive like you’ve got a load on the back — because you do. Stick to the speed, stay in your lane (literally), and keep everything in check, and you’ll be golden.
Need a trailer that’s legal and ready to roll? Whether you’re hiring or buying, Brent’s got your back. Get in touch!