Google no 1 local searches

Hi

I am wanting Seo for my web site http://www.leedsstovecentre.co.uk which I have had for past 7 years I have always had good local results the site was built on a bespoke cms I have just the changed the site over to Wordpress about 2 weeks ago and the site rankings has dropped a little I am wanting the site looking at for ant errors and if you can make it better also I want to really try and push the site higher and get lots of local 1st place google rankings can you help

Regards Craig