found this online www.workingparents.org ( I think and it doesn't say AND THIS DOES NOT APPLY TO TEACHERS....
Contractual Rights and Remuneration
An employee on maternity leave preserves her continuity of employment and continues to be regarded in law as an employee. During the 26 weeks of Ordinary Maternity Leave a woman is entitled to receive all her contractual rights except remuneration (remuneration includes wages and salary and may include other things).
Contractual rights include pension rights, holiday entitlement and other benefits such as a company car. It is not clear from the legislation whether other forms of 'pay' (such as bonuses, subsidies etc.) are regarded as 'contractual rights' or 'remuneration'.
It is up to the employer to make this clear in an employee?s terms and conditions but it would be advisable to give an employee a proportion of any salary related bonuses earned during the period before she went on leave.
While on maternity leave most employees will be entitled to receive Statutory Maternity Pay (paid and reclaimed by the employer) or Maternity Allowance (claimed by employee from Department of Social Security).
Accrual of holiday during AML
Holiday accrues as contractual during the 26 weeks of ordinary maternity leave. During additional maternity leave the employee will accrue holiday under the Working Time Regulations. This entitles all employees to 20 days holiday per year. You may find it easier to allow the employee to continue accruing holidays as laid down in her contract rather than attempting to administer two systems