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Inspired Basement Conversions in South West London

As we mentioned in our recent piece on Fulham property trends in 2018, the recent downturn has seen many property owners across South West London maximising their home’s value with extensions and loft conversions. But for many that are unable to extend their homes due to planning applications, building regulations or limited space, there’s only one solution: to build downwards!

We love doing basement excavation, especially in London. This is for a good reason: we’re generally able to build roomy open areas that give our clients the freedom to create their perfect living space, while keeping the structural integrity of the building. Better yet, moving certain rooms into the basement (like the utility room or downstairs bathroom) allows the ground floor of a home to expand out. In conjunction with even the smallest of rear or side extensions, it can completely transform a modest home into a spacious abode.

The SDA Build team have picked some of our favourite London basement projects below – and if you feel inspired by any of them or want to talk to a project manager about what we can do with your home (we can even add swimming pools!), get in touch here!


Basement Cinema and Wine Cellar Conversion

Our most recently completed project in Chelsea saw the team really showcasing our skills in designing and excavating to create a stunning basement space. In addition to a full refurbishment of the home, the client wanted to create an environment designed to entertain guests. We began by reinforcing the property with an internal steel frame, allowing us to dig out the basement to create two large rooms: a wine cellar that also acts as a second living room, and a cinema room designed to be accommodate up to 10 people. The spaciousness of the basement is further amplified with the long walls, bright decor and an open staircase allowing plenty of natural light into the wine cellar.

Basement Bar in the Garden

The brief for this project in Wandsworth was to add a private bar area to the garden of this home that felt like a natural extension of the garden. With no permission to extend the property above ground, SDA Build London dug underground. We ensured the basement bar never felt detached from the rest of the garden by allowing natural light from the garden to always shine through, with an open design that utilises the same colour palette as the garden itself.

Entire Floor Dig Out – a Brand New Basement Building

The most extensive basement conversion of them all, this type essentially adds an entire floor to a property that can extends out the entire length of the home and garden. For the Fulham terrace property in the images below, the basement conversion allowed the owner to relocate their living room, a home office and a luxurious en-suite guest bedroom to the basement, freeing up the ground and 1st floor to become more spacious.


SDA are one of the leading builders in South West London and an experienced basement conversion company. We specialise in the restoration, extension and refurbishment of London homes. See our award-winning work and get in touch to talk about your property and how we can help you transform its value.