Luxury Basement Conversions:
Chelsea & Kensington Style

Premium basement excavation and luxury fit-outs across Chelsea, Kensington, Mayfair, Knightsbridge, Fulham, Richmond, and Wandsworth. At ELB Construction Services LTD, we help homeowners and developers create high-quality, usable space beneath their homes without increasing the property's footprint.

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Fully Insured, 10-Year Structural Guarantee.

Designing Luxury: Trending Basement Spaces in London

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The Ultimate Home Cinema

Perfect for *Chelsea* properties. Soundproof entertainment rooms for a great cinematic escape in your Kensington home.

View Media Rooms

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Private Gym & Wellness Spa

Maximise your wellness with a bespoke *Home Gym* and luxury *Spa* in your *West London* basement. Wellness areas designed for daily convenience.

Explore Wellness Suites

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Bespoke Wine Cellar & Bar

From sleek tasting rooms to a fully serviced basement *Bar*, we craft high-end spaces that add entertainment value.

Cellar Portfolios

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Under Garden Basement & Guest Suites

Valuable extra space without reducing your garden area. A popular, high-return option in *South West London*.

Structural Additions

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Planning & Party Wall Management

We expertly manage the complexities of *Planning Permission* and *Party Wall* agreements inherent in London’s construction.

Planning Pathways

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Guaranteed Waterproofing & Tanking

The crucial elements. Our comprehensive *Waterproofing* and *Tanking* methods are structurally guaranteed for lasting peace of mind.

Technical FAQs

The Trusted Choice For Expert Basement Conversions In London

Free On-Site Consultation

We begin with an on-site visit to assess feasibility, understand your basement space requirements, and identify any planning or structural considerations, such as soil conditions or water table levels. Transparent communication is at the heart of our service from day one.

Planning & Design

Our in-house designers and architect team creates bespoke designs that bring your vision to life. We manage all planning permission applications, liaise with local authorities, and guide you through party wall agreements and building control requirements for a seamless approval process.

Excavation & Structural Works

Our extension specialists ensure all structural work, including underpinning and basement excavation, complies with local regulations. Each stage is overseen by a dedicated project manager and structural engineer to ensure precise and safe builds.

Waterproofing & Drainage Installation

We install Delta Membrane Systems and tanking solutions for proven, long-term damp protection, along with advanced drainage and ventilation systems to maintain a dry, comfortable living environment.

Fit-Out & Interior Completion

Finally, our interior design and finishing team tailors every detail of your basement project to your style preferences, from flooring and lightwells to bespoke joinery and décor, resulting in a refined space built to the highest standards.

Direct Communication

STOP SEARCHING, START BUILDING: SPEAK TO OUR EXPERTS NOW

Don't compromise on quality or insurance. Call our highly experienced Project Managers for a free, no-obligation discussion on your luxury basement project today.

info@elbconstruction.co.uk Office: 0203 811 8325 Mobile: 07389 822 991

Regional Authority Directory

KensingtonSW7 / W8
ChelseaSW3 / SW10
FulhamSW6
Parsons GreenSW6
WandsworthSW18
WimbledonSW19
RichmondTW9 / TW10
ChiswickW4
ClaphamSW4
West HampsteadNW6

Send Us A Message

Forward your subterranean space briefs, site survey documents, or structural sketches to receive a prompt architectural review from our integrated planning team.

Basement Design & Build Specialists

Bespoke Subterranean Engineering Natively Guaranteed

Basement conversions can be complex, often involving legal considerations such as compliance with the Party Wall Act, adherence to borough-specific basement policies, and structural elements like basement retaining walls. When extending outward isn’t possible and upward expansion is limited, often due to strict planning restrictions, our experienced basement and tanking specialists offer tailored basement cellar conversions across North London and South West London.

Our basement conversion specialists combine structural expertise and advanced damp proofing solutions, including the installation of a cavity drain system, with bespoke interior design that transforms existing basements into the space of your dreams. Whether it's a small, bespoke wine cellar, a relaxing home cinema room, a modern games room, or a full lower-level extension, our basement conversion company ensures your new space is finished to the highest standards.