A basement beneath an existing home
Retrofit construction raises questions about existing structures, ground conditions, access and how the work may affect the building above.
Explore retrofit basementsFor homeowners
An extra room below ground can begin in several different ways. The right approach depends on the property, the proposed use and the information available about the site. Start by identifying the kind of project you have in mind.
These routes are a starting point, not a substitute for an assessment of the particular property.
Retrofit construction raises questions about existing structures, ground conditions, access and how the work may affect the building above.
Explore retrofit basementsThinking about the basement alongside the building above helps bring proposed layouts, structural interfaces and construction access into one discussion.
Explore new-build basementsA pool below ground brings the structure together with waterproofing, water management, ventilation and other building-services considerations.
Explore basement swimming poolsIf your starting point is keeping an underground space dry, identify what is already known about the structure, the water issue and the proposed use.
Explore basement waterproofingA home gym, cinema, pool, workspace or extra living area may lead to different decisions about layout, access, light, ventilation and services. Begin with the outcome you want from the space.
Existing drawings, surveys and information about neighbouring structures or previous alterations can help frame an initial conversation. Uncertainty is worth identifying rather than treating as an established fact.
A basement project can involve different designers, consultants and statutory processes depending on the building and the proposed works. Roles, responsibilities and required permissions must be established for the specific project.
Site access, material movement, temporary works and the proposed construction sequence deserve attention alongside the finished layout. Their significance varies with the property.
You do not need a complete design before getting in touch. Share what you know and make clear what remains undecided.
Describe the property, your ideas and the information you already have. Basement Structures can consider your enquiry in the context of the proposed project.