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Basement Construction and Renovation in Mayfair

Convert your Mayfair cellar with a viable, underground space in the form of a high-end basement conversion. Whether you need space for an expanding family, a functional office, or as pictured here, a place to store all those wine bottles, we can help bring your aspirations for the perfect living space to life. Our dedicated architects are based in London and specialise in bespoke basement conversions in the Mayfair location.

We have specialist teams who have expertise in all areas of the basement conversion process to ensure the same level of professionalism and attention to detail is carried across all projects. If you are based in Mayfair and would like to increase the value of your property with a premium price tag, SJ can design and build a luxury basement that will stand out on the property market. Contact us here to discuss your Mayfair basement conversion.