Home Extensions &
Renovations
Create more space and comfort with high-quality extensions and renovations. From single-room upgrades to full transformations, built with care, from planning to finish.
New Builds & Structural Construction
Reliable, well-managed new builds from the ground up. Strong foundations, quality materials and a finish made to last in Guernsey’s unique climate.
Kitchen & Bathroom Refurbishments
Modern, functional kitchens and bathrooms built to a high standard. We handle everything; plumbing, electrics, carpentry and finishes, for a flawless result.
Loft & Garage Conversions
Turn unused space into warm, practical living areas. Ideal for home offices, extra bedrooms or larger layouts, fully compliant and seamlessly integrated.
Carpentry & Joinery Services
From bespoke cabinetry to structural timber work, our skilled carpenters deliver quality in every detail. Built to your style, space and budget.
Outdoor Structures & Hardscaping
Enhance your garden with decking, patios, pergolas or garden rooms. Designed for year-round use and built to withstand Guernsey’s coastal weather.
We Follow Best Practices
From planning to completion, we work to proven methods and industry-recognised standards. This ensures safer sites, smoother workflows, and consistently high-quality results you can rely on.
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Owner
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Head of Operations
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Full Renovation
St Peter Port, Guernsey
Listed Building Works
Castel, Guernsey
Exterior Refurb
Forest, Guernsey
Kitchen Rebuild
St Sampsons, Guernsey
Kitchen Project in Castel
Alice Howard
“Java Construction handled the project excellently. It was on-time, on-budget and dealt with by a fantastic team of skilled professionals. Highly recommend!”
Full Renovation in St Peter Port
Nathan Marshall
“Java Construction handled the project excellently. It was on-time, on-budget and dealt with by a fantastic team of skilled professionals. Highly recommend!”
Architect We Work With
Ema Romero
“Java Construction handled the project excellently. It was on-time, on-budget and dealt with by a fantastic team of skilled professionals. Highly recommend!”
Local Business Owner
Ann Smith
“Java Construction handled the project excellently. It was on-time, on-budget and dealt with by a fantastic team of skilled professionals. Highly recommend!”
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Start Your Project With a Trusted Local Team. Let’s Bring Your Project to Life.