Would also recommend asking for a copy of the TP1 as early as possible and asking in writing for full and itemised details regarding any estate charges.
They will fob you off and say there is a small charge for cutting grass in communal areas or refer you to a solicitor but push back. You want them as part of the sales process to fully state what you will be contracted by covenant to pay for. State this is a material fact in the decision to buy your home.
The purpose of this is twofold - getting them to put in writing if it is a fleecehold rather than a freehold and secondly if they don't give you full information in writing when you request it, they are essentially mis-selling you the property.
Taylor Wimpey are good at refusing when they don't want to do something. They refused to allow us a professional (insured) snagging visit prior to completion claiming insurance, health and safety and a myriad of other factors, yet allowed neighbours unaccompanied access to their properties for measuring for curtains.
The key to remember is builders so what they want, when they want, and there is little you can do. Get everything in writing to protect yourself as much as possible.