Building Work You Can Rely On

From renovations and extensions to full new builds, every project is delivered with care, professionalism and attention to detail.

Loft Conversions in North West London

Loft conversions that turn unused roof space into a well-finished, properly insulated, fully usable room — whether that's a bedroom, home office, en-suite or playroom.

A well-built loft conversion is one of the most cost-effective ways to add real space and value to a home. Sanfair Construction delivers loft conversions across London — from initial design and structural planning through to insulation, windows, electrics, plumbing and the final finishes that make the room feel like it has always been part of the house.

Common project types include dormer loft conversions, mansard loft conversions, hip-to-gable and Velux conversions. As experienced loft conversion builders in North London, we match each project to the property and the homeowner’s brief, with careful attention to head height, natural light, staircase placement and how the new space connects with the rest of the home.

Recent Renovation Projects

What Sets Sanfair Apart

Clients choose Sanfair Construction for quality workmanship, a fair and straightforward approach, and a strong focus on delivering work properly from start to finish.

01 Quality Workmanship

Built with care, attention to detail, and a focus on getting the job done properly.

02 Fair and Straightforward Approach

Clear communication, honest service, and a practical approach from start to finish.

03 Trusted by Homeowners

A reputation built through referrals, repeat work, and word of mouth.

04 Residential Project Focus

Experienced across renovations, extensions, loft conversions, structural works, and new builds.

Discuss Your Project

If you're planning a renovation project, get in touch to discuss your requirements and next steps.