My friendly little bird at the BBC advised me about these promotions they having.

For gardeners World and illustrated (you can have both)
Call: 08448480089 ... & quote: SELFR10

For Good Food08449840499 .... & quote: GFEU810D (it's an email they sent to a select few)

They always offer you 3 issues for £1, however you not obliged.

3p/min