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📍 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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Loft Conversions

Transform unused loft space into a bright new level.

We create bedrooms, offices, and bathrooms that feel spacious and calm, with smart layout planning and clean structural work.

⏱️ Typical timeline 8-12 weeks
📍 Coverage Greater London
✅ Aftercare 12 months
Bright loft conversion with skylights Loft conversion with modern staircase
Bright, calm spaces

We prioritise head height, light, and storage so the new level feels effortless.

What you get

Careful planning that unlocks the space.

We assess structure, access, and roof form before confirming the best conversion route.

Expect tidy work, tight coordination, and clear site updates throughout.

✨ Included in every conversion
  • 📐 Measured survey and feasibility review
  • 🏗️ Structural calculations and approvals
  • 🪜 Staircase design and installation
  • 💨 Insulation, ventilation, and rooflights
  • ✅ Snagging and aftercare support
Loft Types

Find the right conversion style.

We help you compare head height, planning routes, and layout potential.

🏠 Dormer

Add usable floor area with a full-width rear dormer.

📐 Hip-to-gable

Square off the roofline for larger rooms and storage.

🏛️ Mansard

Maximise height with a full roof structure change.

☀️ Rooflight

Minimal exterior changes with smart rooflight placement.

Process

How we run loft conversions

🔍 1. Survey + feasibility

We assess the roof structure and confirm the best options.

📋 2. Design + permissions

Drawings, planning advice, and building control coordination.

🛠️ 3. Build + fit-out

Structural work, insulation, and full interior finishes.

🎉 4. Finish + handover

Final checks, snagging, and completion pack.

⭐ Common upgrades
  • 🪵 Bespoke wardrobes and eaves storage
  • 🚿 En-suite bathrooms with ventilation
  • 🔇 Acoustic insulation and fire safety upgrades
  • 💡 Energy-efficient rooflights
Recent Work

Loft conversions designed to feel spacious.

Questions

💬 Loft conversion FAQs

📋 Do loft conversions require planning permission?

Many fall under permitted development, but we confirm requirements for your property.

📏 How much head height do we need?

We review head height during the survey and recommend the best conversion type.

🚿 Can you add a bathroom in the loft?

Yes. We plan plumbing routes and ventilation early in the design stage.

🌡️ Will the loft feel hot in summer?

We specify insulation and ventilation systems to keep temperatures balanced.

Ready to unlock your loft?

We will help you define the right conversion and build a clear timeline.

Request a quote
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