Luggage allowance of Megabus UK

I have a trip from Exeter to London, traveling by Megabus. My luggage is quite heavy, around 25kg as I come back to my country so there's a lot of things to pack. Do they charge my luggage because it overweights? Thank you so much!
Best Answer
This Megabus page Luggage states
We don’t mind what your luggage is packed in, and we only ask that it weighs no more than 20kg and is no bigger than a standard ‘large’ suitcase. The maximum size of a single bag is 200cm (width + height + depth).
And this Megabus page Luggage policy states
For guidance this must not exceed 62 inches when adding the total exterior dimensions of the piece (length + width + height) and should not weigh more than 50 pounds.
Note that 25 kg is 55 lbs. Also
Please be advised that passengers wishing to travel with more luggage than specified above will have items refused. No refunds will be issued in respect of travel plans canceled by the customer as a result of their excess luggage being refused.
Also on Conditions of Carriage
You may take up to three bags as long as they do not occupy more space than a single bag of these weight and dimension limits.
You can also take a piece of small hand luggage on board with you. This must either fit on your lap or under the seat in front of you and does not count towards your luggage allowance.
On Glasgow-Lancaster-Preston-Manchester/ Liverpool-Birmingham-London services you may be charged for each piece of excess baggage, subject to space availability.
I didn't find any other reference to charges for excess weight. But it is up to you to do the proper research.
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Is megabus luggage allowance per person?
Megabus does not check luggage or provide receipts for luggage transported on the bus by the passenger. Customers are advised that megabus will accept up to ONE (1) piece of luggage per passenger reservation for all customers who purchase general seating tickets or standard reserved seats.How much luggage is allowed in bus UK?
Weigh it - You can take two medium-sized suitcases or one large suitcase (each weighing no more than 20kg) on your coach, plus a small piece of hand luggage. Label it - Luggage tags are essential to help recover your possessions in the event of a loss.How much luggage can you take on bus?
Added up (length + width + height), check-in bags should be no larger than 62 inches or 158 centimeters. The typical size of the overhead compartment in buses is 9x16x20 inches (22.8\xd740.5\xd750.8 cm). So, bringing a small suitcase along as a carry-on bag weighing no more than 25 lbs (12 kg) is perfectly fine.Can I take a big suitcase on a bus?
Most buses will allow you to bring hand luggage onto the bus, but due to the limited space, you might not be able to bring the same size of suitcase as you are used to when you travel by plane, so make sure to have a smaller bag for your valuables.Megabus Luggage Limits | How Many Bags Can You Bring?
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