Transform Your Home With Expert Basement Conversions

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OLBC is your trusted partner for expert basement conversions in London, offering over 20 years of experience in transforming underutilised spaces into stunning, functional areas that significantly enhance both the value and livability of your property. Basement conversions provide a unique opportunity to give your home a new lease of life, creating spectacular spaces that the original structure above often cannot accommodate. Whether you’re looking to add a luxurious wine cellar, a cosy playroom for your children, or even a private swimming pool, OLBC has the expertise to bring your vision to reality. Our team specialises in designing and building both single-storey and multi-level basements, personalising each project to meet your specific requirements and aesthetic preferences.

Unmatched Expertise in London Basement Conversions

OLBC is the premier leader in residential basement conversions in London, with a distinguished history as the city’s longest-established basement company. Our in-house design team and skilled workforce have been at the forefront of delivering bespoke basement solutions since the earliest days of retrofit basements. We excel in creating beautifully crafted conversions and extensions that blend perfectly with the original structure, preserving the unique charm of period properties while adding valuable, functional space. Our expertise goes beyond construction; we boast a flawless 100% success rate in securing planning permissions across London boroughs, ensuring every project adheres to local regulations and progresses smoothly. When you choose OLBC, you’re not just hiring a contractor, you’re partnering with a trusted expert committed to enhancing the architectural integrity and value of your home.

The OLBC Basement Process

Our process starts with a quick Initial Consultation via phone or WhatsApp to see if your project is a good fit. If it is, we arrange a Site Visit where one of our Directors discusses your vision and assesses the site. We provide Client Referencesfor added confidence, followed by a detailed Structural Estimate. In a Design Meeting, we finalise your requirements and then provide a Final Estimate. We handle all Engineering & Planning tasks, using a JCT D&B contract in the Project Agreement. After scheduling a Start Date and assisting with a Party Wall Agreement, our team begins the construction work on-site. Ready to transform your basement into a stunning, functional space that adds value and elegance to your home? OLBC is here to help you every step of the way. Reach out to us today through our form or call us directly at 0208 877 0526. Let OLBC be your trusted partner in unlocking the full potential of your London home with a beautifully personalised basement conversion.

 

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