The company has ceased trading and its 16 subsidiaries are expected to follow suit over the next few days.
PriceWaterhouseCoopers has been appointed administrator.
In the company’s latest audited accounts - to the end of April, 2007 - it posted pre-tax losses of £813,000 on a turnover of £21 million.
Formed in the early 1990s, one of the group’s first projects was the Cefn Mably development, on the outskirts of Cardiff. It was in this estate where the first Welsh new-built home worth £1 million was sold.