6. Staff costs

Details of directors' remuneration for the year are provided in the audited part of the directors' remuneration report on Directors' Remuneration Report.

The average number of persons employed by the Group (including executive directors) during the year was:

	2022 Number	2021 Number
Production and site	1,322	1,208
Sales and administration	256	193
	1,578	1,401

The aggregate payroll costs of these persons were as follows:

	2022 £000	2021 £000
Wages and salaries	73,885	65,517
Social security costs	7,842	6,910
Other pension costs	4,307	3,203
	86,034	75,630

Employee remuneration costs under share-based payment schemes are set out in note 23.