Crabtree Project Management - Making Refurbishment Easier. CPM takes care of all your home improvements from introducing professional and reliable tradesmen, sourcing of products, cost estimation & management through to supervision of the entire project. We provide a highly supportive service and handle all day to day matters, so you receive the quality you would expect without the time and effort required to achieve it. We specialise in complex projects involving multiple trades where a high degree of coordination is required. All invoices are checked and approved before passing for payment and we even offer a client account facility so you've no need to bother with multiple transactions. Whether you live in the property yourself or you're a landlord living away, we'll take care of the project from start to finish.