📞 020 8087 4214 | ✉️ info@adhouseconstruction.co.uk
📍 North & Greater London
Ad House Construction Ad House Construction Design-led builds in London
Ad House Construction

Design-led builds across Greater London

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Basements

Basement spaces built to feel calm, dry, and purposeful.

We deliver basement excavations and fit-outs with the right waterproofing, ventilation, and structural care.

⏱️ Typical timeline 12-20 weeks
📍 Coverage Greater London
✅ Aftercare 12 months
Basement fit-out with lighting Basement construction with waterproofing
Performance first

We prioritise waterproofing, air quality, and structural integrity for long-term comfort.

What you get

Basements delivered with precise coordination.

We manage excavation, waterproofing, and fit-out so every system works together.

Expect detailed planning, safety focus, and clear updates throughout.

✨ Included in every basement project
  • 🏗️ Structural assessments and method statements
  • 💧 Waterproofing systems and drainage planning
  • 💨 Ventilation, heating, and lighting integration
  • 🎨 Fit-out finishes and bespoke storage
  • ✅ Snagging and completion support
Basement Uses

Design the space around your needs.

We create flexible basements for living, leisure, or essential storage.

🏠 Lower-ground living

Additional bedrooms, lounges, or studio spaces.

💪 Home gyms

Sound-insulated, ventilated fitness zones.

🎬 Cinema rooms

Acoustic treatments and integrated lighting scenes.

📦 Storage + utility

Practical, organised storage for busy homes.

Process

How we run basement projects

🔍 1. Feasibility + survey

We review structure, access, and soil conditions.

📋 2. Waterproofing strategy

Specify tanking, drainage, and ventilation systems.

🛠️ 3. Build + fit-out

Excavation, structural work, and interior finishes.

🎉 4. Finish + handover

Final testing, snagging, and aftercare guidance.

⭐ Performance features
  • 💧 Type C drained cavity systems
  • 💨 Mechanical ventilation and humidity control
  • 🔥 Underfloor heating integration
  • 🔇 Acoustic insulation upgrades
Recent Work

Basement spaces that feel part of the home.

Questions

💬 Basement FAQs

🏗️ Is basement excavation suitable for my property?

We assess structure, access, and planning constraints before proceeding.

💧 How do you manage waterproofing?

We specify a waterproofing strategy and document installation with specialist teams.

🌡️ Will the basement feel damp?

With proper ventilation and heating, basements can feel warm and dry year-round.

✅ Do you coordinate structural engineers?

Yes. We work with structural engineers and building control throughout.

Thinking about a basement project?

We can advise on feasibility and map out the right approach.

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