Our Mission AA Plumbing specialises in maintenance & remedial works throughout London & Essex. Over the decades we have grown, utilising the latest technologies and techniques to complete our work to the highest standard. The earth is our home and we need to look after it, that is why we embrace cleaner & more energy efficient technologies. To help us look after the environment and lower household emissions, as a Gas Safe registered company we have joined the Governments flagship green energy scheme; Green Deal. As a Green Deal approved installer we can help you save thousands on your energy efficient measures, for example; a new boiler installation.