Built on precision, structural integrity, and architectural discipline.
Gavett operates as a dedicated principal contractor across London, delivering complex structural alterations, extensions, and comprehensive refurbishments for period terraces, townhouses, and heritage apartments.
Founded on the belief that prime residential building requires absolute technical clarity, we work directly alongside leading architects, structural engineers, and private clients to execute demanding designs without compromising on site safety or craftsmanship.
Principal contractor
Architect-led delivery
Structural works
London residential stock

Working Methodology
Disciplined project delivery, from first survey to final handover
We operate as a committed principal contractor for architect-led renovations and private residential transformations across London. By managing procurement, site coordination, and structural works under one clear chain of command, we eliminate friction and keep programmes on schedule.
Dedicated site management
Every site has a permanent, full-time site manager ensuring direct coordination between trades, structural engineers, and architects.
Exact tolerance & craftsmanship
We work strictly to architectural specifications, maintaining uncompromising joinery, masonry, and MEP installation standards.
Clear programme & cost transparency
Detailed two-week lookahead schedules, transparent valuation breakdowns, and proactive snagging before project handover.

Proven track record
Credentials and accreditations
Gavett operates as a fully insured principal contractor across London. We maintain verified regulatory compliance, comprehensive coverage, and strict site management on every residential build.
Years active practice
Continuous residential contracting across London boroughs
Projects completed
Complex extensions, conversions, and full renovations
Liability coverage
Comprehensive public and employer's policy protection
Direct site supervision
Principal contractor oversight from start to handover
Need insurance schedules or contractor documentation?
We provide full policy certifications and safety files for architects, surveyors, and freeholders.