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SX Basement Construction London
How We Work
Initial Planning
& Consultation
We assess your property, understand your goals, and provide tailored advice on feasibility and costs.
Engineering
& Groundworks
Our team handles excavation, underpinning, piling, and all structural preparations with care and precision.
Finishing
& Fit-Out
We complete the build with waterproofing, insulation, installations, and interior finishes to match your vision.
Tailored Basement Solutions for Every Property

Basement Design & Build
From concept to completion, we deliver full-service basement construction tailored to your needs.

Basement Renovation & Fit-Out
Transform outdated or unused spaces into modern, functional living areas.

Basement Excavation & Conversion
Excavate and convert raw or cluttered basements into beautiful extensions of your home.

Waterproofing & Damp Solutions
Protect your investment with professional waterproofing systems built to last.

Structural Reinforcement
Secure your space with underpinning and piling solutions for strength and stability.

Temporary Structural Works
Reliable temporary support during construction to ensure safety and efficiency.
Maximize your space and increase your property’s value with expert basement solutions.
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