this is what the website says...be quick!
Your Double Guarantee
1. Three weeks from the day of delivery to change your mind.
If, when your furniture arrives, and for whatever reason it is not what you expected, we will remove it and refund your money. Alternatively you can exchange to a different model, colour or size. Please inform us in writing of your decision to return or exchange your furniture within 21 days and we will organise a collection date. A collection charge will be applied.
http://www.sofasofa.c...ut-our-sofas#delivery