Hi, Lauer, I can recommend you a company which I am personally really sattisfied with. They are called "Cleaners East Dulwich" and they provide exacty the service you need - deep cleaning. You can get more info at their website - http://www.eastdulwichcleaners.co.uk/deep-cleaning-company-SE22/ or just by calling them on 020 3404 2244. Wish you good luck and I hope you turned your property in something really amazing. :)