Hi guys, Sorry for the long post. I am looking to buy a house in Normanhurst this Saturday (Auction). In the contract it shows that the underground land will be acquired by government to build the NorthConnex tunnel. The contract included a letter from the Roads & Maritime Services to the vendor stating: ' It is important to note that in most cases, acquisition of land for the purpose of underground road facilities will not affect the future use of your property. Subject to your council's normal regulations and approvals you will be able to: * Carry out improvement such as installing a swimming pool; * Dig deeper foundations for a new building, second storey additions, etc; and * Undertake property development. RMS proposes to horizontally subdivide part of the subject property to create 2 lots as sub-surface stratum to be acquired by RMS and a third lot to remain as your land above the level of the sub-surface stratum lots.' Question 1: There is a graph on the contract showing the minimum distance between ground level and upper limit of proposed stratum acquisition is about 21metres. But the agent is telling me, also says on NorthConnex Website the tunnel will be 33 meters below ground level. So is it actually 21 or 33 meters? Question 2: What does it mean by RMS proposes to horizontally subdivide part of the subject property to create 2 lots? I don't have to subdivide the property do i? Question 3: The tunnel will divert all the big freight trucks from Pennant Hills Road to inside the tunnel, If at 21 or 33 meters below ground, Will noises and vibrations likely be felt in the house? The house is located almost 3km away from the air vent, pollution shouldnt be a problem? Question 4: The house is built in the 1930s, very solid double break house. Is it likely it will get damaged during the construction stage of the tunnel as it is an old house? Question 5: What will be the future impact on the sale of the property if i want to sell say in 5 to 10 years time? I understand on google map there will appear to be a main road right next to the house but actually being the tunnel. Sorry about the long post as it is a big purchase for me, i personally really like the house, but i am just so nervous for it being right above the tunnel.