Our Story

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

Gavett structural engineers and site team reviewing residential blueprints on a London project
London, UKPrincipal Contractor Services

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.

Site manager and foreman reviewing architectural plans inside a London residential renovation
Site Standards Ref. 2025
London Residential

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.

14+

Years active practice

Continuous residential contracting across London boroughs

120+

Projects completed

Complex extensions, conversions, and full renovations

£10M

Liability coverage

Comprehensive public and employer's policy protection

100%

Direct site supervision

Principal contractor oversight from start to handover

Policy verified
Comprehensive liability and indemnity cover
£10,000,000 public and employer's liability insurance with full contract works indemnity for residential alterations.
Statutory safety
Principal contractor and CDM compliance
Strict adherence to Construction (Design and Management) Regulations 2015, ensuring complete site health and safety governance.
Specialist craft
Conservation and heritage standards
Extensive experience working within London conservation areas, listed properties, and strict estate management schemes.
Full sign-off
Building control and structural warranty backing
Direct collaboration with approved inspectors and local authorities to secure smooth completion certificates.

Need insurance schedules or contractor documentation?

We provide full policy certifications and safety files for architects, surveyors, and freeholders.

View professional specifications