Halloween Sale: Extra 13% off Outdoor Lighting Go to / Join Merchant Written by Lights.co.uk on October 24, 2019. Posted in Affiliate Incentive, Awin, Halloween, Home & Garden, Home & Garden, Offers/Promotions, Seasonal Promotions, UK, Voucher Codes No trick, just treat: Get an extra 13% discount on orders of outdoor lights over £100. Free delivery. Valid from 31 October until 4 November 2019. Voucher code: UK19-HALLOWEEN Tags: extra 13% off, halloween sale, voucher code Lights.co.uk Lights.co.uk is a leading online distributor of high quality lights and lamps. Our selection includes products from leading manufacturers and designers, as well as unique designer lighting elements and an extensive selection of lighting accessories.