For drones and office workers looking for love, here’s a bit of early Valentine’s Day advice --- trying checking out a colleague in the next cubicle.

According to a survey commissioned by CareerBuilder.com, a job search and recruitment website, the office is a steamy hothouse of romance. One survey finding: Thirty percent of those who have dated a co-worker said their office love affair led them to the altar.

A florist sorts roses in a flower shop. REUTERS/Herwig Prammer.

Other survey findings suggest that workplace wooing may be even more rampant than feared.

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The data showed that 39 percent of workers said they have dated a co-worker at least once over the course of their careers and that 17 percent have reported dating co-workers at least twice.

In this sensitive era, getting matey with the boss is supposedly off-limits. But apparently not all workplace romantics have gotten the good word. According to the survey, 29 percent of respondents say they have dated someone above them in the corporate hierarchy.

CareerBuilder.com offered some theories about why office romances seem to be flourishing. For good or ill, many folks think that a potential boyfriend’s or girlfriend’s occupation is an important consideration when sizing up a prospective sweetheart.

Then there’s the ever-expanding work day, which eats into free time that might otherwise be devoted to an old-fashioned social life. (A social life? How unprofessional!) So, with many people having little time to pursue rumba lessons or scour gin mills, the workplace is often becoming the default setting for a whole lot of romantic energy.

For the record, CareerBuilder.com’s survey was conducted by Harris Interactive in November. More than 4,000 workers participated in the national online survey.