Basement conversions in Chiswick offer a great way to add valuable space to your home and increase your property value.
Discover how a bespoke basement conversion can give you the room you need — without leaving the place you love. Whether you're looking to add a home office, swimming pool, or entertainment area for your growing family, you need a basement conversion specialist to get the job done professionally and on time.
Choose Proficiency Design & Build for exceptional results tailored to your needs.
We strive to be London's leading luxury basement company.
We created a sophisticated and functional living space with this bespoke house renovation in Chiswick, West London. Its traditional herringbone wood flooring, built-in alcove cabinetry, and stark feature walls brought warmth and balance to the contemporary design. Every element reflects careful planning, creating a space that’s both sophisticated and personal.
Get a Quote View ProjectFinding space in London isn't easy, but going underground offers a world of possibilities.
At Proficiency Design & Build, we specialise in basement conversions throughout the capital, helping homeowners unlock valuable, under-utilised square footage without altering the existing structure of their property.
From Richmond in South London to Islington in North London, our team delivers exceptional building solutions no matter where you're based.
Accredited by the Federation of Master Builders and approved by NICEIC and Gas Safe, we take no shortcuts when it comes to safety and quality.
Our architects and project managers handle all planning permission applications for your basement conversion project, ensuring they comply with local building regulations.
Reflects our dedication to minimising disruption to neighbours and reducing our environmental impact during every project.
Transform underused or outdated London basements into bright, functional spaces filled with natural light. It's the most effective way to add substantial value to your Chiswick home!
From a quiet home office, extra living space, home cinema, or playroom tailored to your specific needs, Proficiency's team of experts listens to your vision and brings your dream home to life.
Create temperature-controlled wine storage and sophisticated tasting rooms below ground, complete with structural waterproofing to protect your prized collection.
Proficiency Design & Build offers complete basement conversion services in Chiswick. With years of experience in the West London area, our team understands the unique challenges of sub ground building.
From initial design concepts and structural assessments by qualified structural engineers to innovative damp-proofing techniques and luxury finishes, our building company handle every aspect of your basement project with ease.
We only use durable building materials and build with energy efficiency in mind, ensuring functional, stylish spaces that are built to last.
We strive to provide the best basement conversion services throughout London. Our tailored building solutions, exceptional attention to detail, and high-quality craftsmanship are just a few ways we deliver stress-free building services.
If you're ready to increase the value of your property with stylish basement conversions in Chiswick, you need expert basement conversion specialists on your side. Proficiency Design & Build has the expertise to transform outdated basement structures into the living spaces of your dreams. Speak to our team today.
