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Basement construction & remodelling 

With over 100 basement projects completed to date in London, our delivery partners Basement Structures are highly sought-after within the construction industry and have an outstanding reputation for being professional, trustworthy and constantly bringing in projects on time and within budget.  From single, double or triple basements, using underpinning or piling, the team has the experience and the know-how to ensure the project runs safely and without any movement or damage to the neighbouring properties.

Prime London and especially Fulham, Chelsea, South Kensington, Mayfair, and Belgravia lack natural space as a modern urban environment. For property owners, often, the only realistic option for producing this extra space is digging a basement under the footprint of their home. 

#nu has had a considerable basement construction presence in London for over 12 years. Our skilled knowledge of the area distinguishes #nu as a valuable service for homeowners looking to create a more spacious family environment.

Basement Structures have successfully excavated and developed the basements for many clients to create bedrooms, utility rooms, cinemas, wine cellars, swimming pools, gyms, saunas, and self-contained flats, which have added significantly to their peace of mind when living in the properties.

Each London borough has its conditions for building basements, including traffic management plans,  site construction management plans, soil testing, detailed structural engineering calculations, eco-home assessments, flood risk assessments, and other documents prepared by specialist consultants.

To obtain this documentation necessary for the planning application will cost several thousands of pounds, and for this reason, is not a job to be entrusted to the inexperienced. We have an excellent record of success in obtaining planning approvals for basement construction and are well-placed to advise you on what might be achievable at your property.



  • Excavation

  • Shell & core 

  • Underpinning 

  • Piling 

  • Concrete slabs

  • Light wells

  • Waterproofing 

  • White box finish  

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  • Cellar conversions 

  • Vault conversions

  • Extensions 

  • Light wells

  • Waterproofing 

  • Tanking systems

  • Pumps

  • White box finish  

If you would like to speak with us about your basement project, please fill out the contact form, call 020 7731 6841, email, or use the WhatsApp link on the bottom right-hand corner of the screen.  We will always respond within a few hours, even at the weekends.

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