Due to local topology, all the surface water in the area between the Golf Club and the railway line gravitates towards Fieldgate Lane. The brook alongside the road takes this water away, under the railway bridge towards the east. When it rains heavily, as it has done recently, the book is full to the top, so it is an important element in the surface water management, but is only just capable of dealing with the water present.

If this land is built on, it will significantly reduce the permiability of the ground, which will mean that rain and other surface water will run off more quickly. Due to the topology of the land, it will drain towards the same brook. This increased flow will result in the water in the section alongside Fieldgate Lane backing up, and overflowing as flash flooding.

In addition to the damage to the properties along the road, the insurance premiums will rise.