Ceiling

Depends on what is being bought but 100.00 is reasonable

Yes, a £100 deposit on a £300 job is perfectly reasonable, provided you're happy with the tradesperson and have a written quote or agreement. For smaller jobs, it's common for tradespeople to request a deposit to cover the cost of materials, as they have to purchase these before work starts. In this case, £100 represents around one third of the total cost, which isn't unusual. Before paying, it's worth checking that the company has good reviews, confirming exactly what's included in the price, and ensuring you receive a receipt or written confirmation of the deposit. Paying by bank transfer or card also provides a clear record of the transaction.