In our contract it states
4. THE Tenant will -
a. pay the rent at all times and in the manner specified
b. Pay for all gas electricity water and sewage services supplied to the property during the tenancy and the amount of all charges made for the use of the telephone (if any) at the property during the tenancy or a proper proportion of the sums demanded for the aforesaid utilities and facilities to be assessed according to the duration of the tenancy (for the avoidance of doubt such payment will be due in relation to amounts attributable to standing charges annual rates or levies or the like and to VAT as well as to actual consumption.
Further on in the agreement...
6. THE landlord agrees with the tennant as follows -
(1) To pay and indemnify the tenant against all assessments and outgoings in respects of the property (except and council tax and any charges for the supply of gas electricity water and sewage services or the use of any telephone payable by the tenant under clause 4 above)