Basements Services

In recent years, many buildings have been built with basements. Earlier, basements were used as coal-fired boiler plants, but today people look for ideas to convert the existing parts of the basement into usable, practical spaces or digging new basement space. This is where basement conversion services step in.

Basement conversion is one of the most practical ways of adding extra space to your living area in a pocket-friendly way. It is a perfect solution for those who don’t have extra space around their house for relaxation. Perhaps, there are many more good reasons to convert your basement – it’s providing more space close to the living areas, it can add substantial value to your home.

However, this is not a DIY project and you need professionals to get it done. If you are looking for professional basement conversion services, look no further than AlterEgo Projects!

At AlterEgo Projects, we offer comprehensive basement conversions and extension services in West London and surrounding areas. Our services include designing, building, waterproofing, and all steps of basement conversion. All our Basement Conversion Services comply with structural, building, and planning requirements.

We work hard

to make your dreams a reality.


A good project starts with a good plan. You can be sure you are in good hands when working with us.


Our experience architects prepare meticulous plans so that your environment is comfortable and safe.


Obtaining all the necessary permissions can be difficult and time consuming. Let us take care of that!


Paying attention to details is especially important in the construction phase. We create interiors that last decades!

Starting from creating the architectural drawings, through submitting a planning application, to providing a highly specialised piece of work, we take care of your project from start to finish.

We can also help you with:

  • Submitting all planning and building control applications
  • Setting up a full set of basic building computations
  • Orchestrating all important site inspections
  • Ensuring that a Building Control Completion Certificate will be provided once your basement is done.

Our highly experienced and trained team works with qualified architects and engineers to provide exceptional basement conversion services to our clients. We are a full-service basement conversion company that specialises in design, excavation, building, new construction, elements of waterproofing, and other basement conversion needs.

With creative solutions to and ideas on constructing a basement, our experts work with our recommended specialists and a team of architects to create the desired space for you! Whether you want to create a small playroom for your children or a larger space for relaxation, an annex or a working space at home, our basement conversions are the ultimate solution for you! We follow a step-by-step process to complete your basement conversion services, taking all legal regulations into consideration.

More references avaliable

At AlterEgo Projects, we provide bespoke basement conversions in London, taking care of all aspects of the construction project. We provide a design and service that can take care of your building regulation approval, including Party Wall Agreements.