Perrins said there was little chance of London starts picking up in the near future.
“All boardrooms crave certainty. More uncertainty decreases people’s appetite for risk and they want a higher return.
“It makes banks lend less and it makes it harder to raise capital.”
However, Berkeley’s shares rose 73p to 3300p, or 2%, as the company’s 53% jump in pre-tax profits to £812.4 million for the year to April beat City hopes.
The group said it remained on target to deliver £3 billion in profit over the next five years, while sales reservations have recovered to 2015 levels.
Peel Hunt’s Clyde Lewis said: “Concerns about the macro and political environment remain (especially in London), but we continue to believe the impressive land bank contains plenty of unrecognised value in a market that remains severely undersupplied.”