if i come across any thing like that or not preped rite ie. still wallpaper when there wasnt ment ta be i just charge for it around £110 a day and i tell them first that any extra time and wot the day rate of prep is..1 job i quoted was £1200 when i was done it was £2200 AND THATS NOT ME BEING A RIPPER thats cuz there was so much more to it thna a full house skim,,was only a 2 bed cottige but was paper on walls ever were when they were ment to strip and there was blown plaster every were ect