Helen Power. From City to Piaggio van?! Helen has brought a bloom to Chiswick station over the past few weeks. If you happen to wonder who the charismatic woman is standing outside that kookie Piaggio van filled with beautiful flowers, wonder no more! Helen Power made the decision to leave her job in the city to pursue more calming pursuits in the form of Powers Petals – Chiswick Station’s new budding local florist.