We Are Specialist Basement Contractors in London

Basement Construction in London

Basement construction has become increasingly popular across London, where space is limited and property values are high. For homeowners and developers alike, building below ground offers a practical way to maximise space and increase property value without extending outward.


At McGrath Civils, we specialise in delivering high-quality basement construction projects across London, tailored to the unique challenges of urban environments.


To discuss a new basement construction project in London, contact us today for a no-obligation conversation about how the McGrath Civils team can help build your dream basement.  

Why Basements Are Popular in London

With strict planning constraints and limited space for expansion, many London properties are ideally suited to basement development.

Basements are commonly used to create additional living areas, home cinemas, gyms, or utility spaces, while maintaining the external appearance of the property.

In high-value areas, a well-designed basement can significantly increase overall property value.

Challenges of Basement Construction in London

Building basements in London requires careful planning and expertise due to the complexity of urban sites.

Projects often involve: 
  • Restricted access and tight working conditions
  • Proximity to neighbouring properties
  • Structural considerations for existing buildings
  • Groundwater and drainage management
Working with experienced contractors is essential to ensure safe and successful delivery.

Our Approach to London Basement Projects

At McGrath Civils, we take a structured and professional approach to basement construction.

From initial groundwork and excavation through to structural construction and waterproofing, we ensure every stage is delivered to a high standard.

We work closely with clients, engineers, and project teams to deliver efficient and reliable results.

ICF Basements in London

ICF (Insulated Concrete Formwork) is increasingly used in London basement construction due to its strength, durability, and performance.

Its solid concrete structure makes it particularly suitable for below-ground applications, while the integrated insulation improves energy efficiency and comfort within the space.

For projects requiring long-term performance and reliability, ICF offers a modern and effective solution.

We have completed several basement projects using ICF building methods, and would be pleased to discuss your options and how ICF might be a good alternative compared to more traditional techniques. 

Basement Projects for Homeowners & Developers

We have experience working with: 
  • Private homeowners
  • Property developers
  • Architects and main contractors
Whether for a single property or a larger development, we deliver basement solutions designed to meet project goals and site requirements.

Call us today on +44 (0)7717 014006, email us your contact information and a description of your project and required works to info@mcgrathcivilsltd.co.uk or complete the form below and a member of our team will be pleased to discuss your project in more detail, and arrange a site visit before preparing you a price estimate for the works.  

 Why work with us? 

If you're planning a basement project in London, get in touch with McGrath Civils to discuss your requirements and explore the best approach for your site.

We are happy to arrange a site visit for all new enquiries. Contact us today by phone, email or complete the form below and we will contact you at your convenience.  

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