The developer saw pre-tax profit for the year to February 28 2015 rise to £45.4m from £19.5m last time.
The firm described the results as a “step change in level of development and trading gains.”
Chief executive Michael Marx is also bullish about future prospects.
He said: “We are confident of sustaining and building on this performance in the years ahead.
“We have a clear strategy, a strong leadership team and good visibility on a pipeline of significant development and trading profits in the years ahead.”
Development Securities has a number of major schemes in the pipeline where contractors will be appointed this year.
They include:
Valentines House in Ilford
The Old Vinyl Factory, Hayes
Shpeherds Bush Market, London
Axis Tower, Manchester
Spirit of Sittingbourne
Circus Street, Brighton
Harwell, Oxford