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  4. Basement Cellar Conversions in London
  5. Basement Shell Ltd

Basement Shell Ltd

Basement Conversion Specialists. Basement Shell Ltd has been vetted and approved by TrustATrader. Covering London

Membership number TT29703

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4.93 out of 5
5 reviews

  • Initial impression Initial impression: 5.0 out of 5.0
  • Punctuality Punctuality: 4.8 out of 5.0
  • Cleanliness Cleanliness: 5.0 out of 5.0
  • Quality Quality: 5.0 out of 5.0
  • Value Value: 4.8 out of 5.0
  • Overall opinion Overall opinion: 5.0 out of 5.0
  • 0 missed appointments in the past 6 months

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About Basement Shell Ltd, London

Basement Shell Ltd provides basement construction, underpinning and structural works across London, specialising in basement conversions in North and West London. We’re the team homeowners turn to when they want a new basement space that’s properly engineered and built to perform long term.

We deliver bespoke basement projects with a clear, design-and-build approach. Our focus is on getting the complex details right—structural design, excavation, underpinning and waterproofing—so your basement is safe, usable and built for London ground conditions and access challenges. Covering the capital, we manage each stage with practical planning and straightforward communication.

We build basement shells and complete structural basements, and our services include:

  • Basement Conversions
  • Basement Excavation
  • Underpinning
  • Reinforced Concrete Structures
  • Waterproofing Systems
  • Complete Basement Shell Construction

If you’re considering basement construction in London, please use the contact details above to get in touch, and please mention Trustatrader. Or for more information, visit our website and browse our gallery.

Photo gallery

Basement Shell Ltd

Limited company
Incorporated as from 27th December 2021
Verified on 13th July 2026
  • Identification checked
  • Company address verified
  • Customer references checked
  • Agreed to TrustATrader's high standards
  • Agreed to complaints procedure
London
Greater London

Insurance details

Provider IIGL
Verified 13th July 2026

Associations

Reviews (5)

  • Average rating: 5.0 out of 5

    Review by

    on

    "Basement Shell is a safe and throughout pair of hands where you can trust when it comes to delivering a new basement. Our project in Fulham is a mid terrace with constrained front garden but they did an amazing job. Beautiful high ceiling and very robust tanking solution with full IBG obtained. I would definitely recommend as an architect and a client."

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 5 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 5 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
  • Average rating: 5.0 out of 5

    Review by

    on

    "We've just completed a large (+100 m2 basement) with Basement Shell. From start to finish, the team was professional, reliable, and a pleasure to work with. Our structural engineer was regularly visiting to inspect and all reports were positive and faultless. The site was always left clean and tidy. We couldn’t be happier with the result - highly recommend Basement Shell team."

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 5 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 5 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
  • Average rating: 4.67 out of 5

    Review by

    on

    "Professional."

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 4 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 4 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
  • Average rating: 5.0 out of 5

    Review by

    on

    "I would fully recommend using this company for basement and underpinning .. Our project was undertaken very professionally from the beginning to end…very quick, very clean, and very good job… The guys talked us through step by step, liaising with building control and explaining the structural plans and building process..you won’t find a more friendly team of guys to undertake your project and trust to get that extranet important jobs done… Thanks Team Basement She'll!"

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 5 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 5 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
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