If you are and don't already know or are new to the 'house bashing' game, be aware that on each plot you complete, 5% retention will be held back on your payment. So for every £100, the contractor will hold back £5.
Sounds OK? Well, here's the problem:
On many residential developments, half of this retention is released only upon practical completion of the LAST PLOT OF THE WHOLE DEVELOPMENT and quite often the other half
Read this article...