If you need to work on the wall, the next step is to hire a party surveyor to photograph the houses and create a party wall agreement – don`t use those who send letters in the mail, find someone on the spot and more affordable. Some will do this for around £3-400. Be aware that there are wicked party surveyors who send letters to every house they see where there is work next door. They are essentially fraudsters who try to panic the owners, to take costly measures. Choose your own surveyor always calmly and wisely. Using a local surveyor is also always recommended as more than one on-site visit may be required – using a cheaper company may be a good idea, but if they are a 3-hour drive away, their costs can rise quickly…