aerial view of a construction site and building site with heavy machinery in operation in london's city.

apartment block foundations reinforced concrete engineering structure crane excavator machinery digging equipment industry site work urban facade city life buildings architecture aerial view drone building material renovation jobs mortgages shifts london skyscrapers brick house construction masonry permits bricklayer steel project execution street scaffolding infrastructure projects civil works ground heavy truck excavators downtown estate operation 39aph39 centre financial district excavations commercial area preserving historic