I've copied this from the Oxfordshire CC website (sorry it's a bit long), it says clearly that providers must not charge extra - see the last bit in particular.
Will I be expected to make a financial contribution towards my child?s free early education place?
No. You cannot be required to contribute to the cost of the basic free entitlement. Settings are not allowed to charge parents fees in advance for the free entitlement to be refunded at a later date, nor require that extra services are purchased as a condition of taking up the free place.
How is the free place funding paid?
The funding is paid directly to the early years education setting by the local authority.
My nursery is asking for a deposit - can they do so for a funded place?
No, not for a free early years place, but they can ask for a deposit if you are taking up any place which is not part of the free entitlement.
My provider wants to charge for snacks and lunch - can they do that?
A compulsory charge for lunch and snacks is not allowed as part of the free entitlement. You should be able to give your child a packed lunch if they are staying at the setting for lunch, and snacks for snack-time. However, if parents choose to take up lunch or snacks provided, the charges must be agreed in advance.
I pay for extra hours but I am not sure that I am being correctly credited with the free entitlement?
The rates settings charge for additional hours or services is a private matter between the setting and the parent . Your setting should tell you beforehand about any additional charges if your children have more than the free entitlement per week. The statement you receive from your childcare/nursery education setting should clearly show which hours are funded from this free entitlement and which are chargeable to you. You should not be obliged to buy additional hours or pay lunch time charges in order to secure the free entitlement
My child's setting has asked me to make a voluntary contribution and I am worried I may lose my place if I don?t pay it. What can I do?
Settings may raise funds but voluntary contributions must be voluntary and not a requirement of a place. If you have any concerns discuss them with your setting, or contact us directly.