Homeowners hoping to install new kitchen sinks themselves could benefit from a new comparison site.Tommy Walsh has launched a new site comparing home DIY equipment and materials which could help people find cheaper tools or sink accessories, reports DIY Week.The site compares prices on products from retailers such as BQ, Screwfix and Wickes.People planning to fit a new kitchen sink by themselves can also access Tommys Trade Secrets, with video demonstrations and hints and tips for various DIY tasks.Mr Walsh told DIY Week Cost and value has never been more important than it is today and so we hope the site will become a valuable tool for consumers and businesses looking to find the best deals.The landscaper found fame on BBC gardening show Groundforce.More people may be investing in kitchen refurbishment, resulting in growth in the DIY sector, according to data from Verdict.The retail research firm predicts that the DIY and gardening market will be worth 12.9 billion by 2014.