Book party package for 10 or more (see Indoor Play Spaces). Smaller groups can go in for a play (from £3.50 per child) and staff will help find a table in restaurant. Prices from £2.50 for pizza or children's pasta; healthy vegetable and fruit pots, baby food, also available.
Tel 0845 2011268 
1st Floor, 68-70 Putney High St SW15

Book a big table and order off the menu, or some branches can host a pizza-making party. Parties last around 1 1/2 hours. Children make their own pizzas; cake, ice cream, cordials and invitations included (from £7.95 a head). Some restrictions on days and times.

Tel 01895 618618

This is my kids’ idea of culinary heaven (they have no taste). The special Rainforest Cafe party package is priced at £13.50 per child, which includes a choice of main course and dessert from the Rainforest Rascals menu, unlimited sodas and cordials, a Rainforest Cafe goodie bag, and a double layer chocolate birthday cake with candles. Birthday parties are for a minimum of 6 children, and must be prebooked. Larger parties can be accommodated in one of the two banquettes (one up to 14 and one up to 16) or the Butterfly Room (up to 20).

20 Shaftesbury Avenue, W1

Tel 020 7434 3111

Party area created at the back of restaurant and decorated to include an archway of balloons at child’s height. Choose from a traditional entertainer (£100); a face painter (£50) or a magician (£150). Menu, taken from kids’ menu, costs £7.50 per head. Min 20, max 40.

1A Phillimore Gardens, London W8

Tel 020 7938 5338

14 branches across London. Happy to host a big group for a party, especially at off-peak hours. Call your local restaurant for details – you are welcome to bring your own birthday cake.

Tel 020 8785 5530 (Head office)

Branches across London. Call ahead for a group – no-booking policy, but local branch will advise on ideal times. You can sit 20 children on one of the long tables and the Kids’ Menu is excellent: ramen, sticky rice, noodles, chicken dishes, ice lollies and vanilla ice cream. Prices from £2.95.

Tel 020 7009 3600 (head office)