Tours take about 75 minutes and include the Commons and Lords Chambers, the Queen's Robing Room, the Royal Gallery and Westminster Hall.
Saturdays from 3rd July onwards between 9.15am and 4.30pm.
Tickets are available to buy online through Ticketmaster (external website) or by phoning 0844 847 1672. Groups of 10+ should phone 0844 847 2498. The route visitors take through Parliament on Saturdays is identical to the tours run during the week.
Image: Parliamentary copyright