Autumn Size Upgrade Promotion Terms and Conditions: In store promotion only. From 25th September until 1pm on 4th December, receive a Size Upgrade for free on selected models. With Miller, Lavinia and Heath: A Large Sofa for the price of a Medium Sofa or a Medium Sofa for the price of a Small Sofa. With Maple: A Grand Sofa for the price of Medium Sofa or a Medium Sofa for the price of a Small Sofa. No minimum order required. Please visit your nearest Collins & Hayes stockist to take advantage of this promotion.