New Build | Conversion | Renovation | Extension
Your Path to Self Build Success Confidence Protection
Specialist site insurance and 10-year structural warranties for new builds, renovations, extensions, and conversions.
Our Self Build cover allows you to:
- Safeguard your site from the unexpected with tailored cover for loss or damage including fire, theft, storm damage, public liability, plant tools and equipment and more. Whether you’re building from scratch, converting, or extending - we’ve got your back from day one.
- Select a flexible policy and pay only for the essential protection required for your project - no unnecessary extras
- Once you’ve moved in or sold, our 10-year structural warranty helps protect against major defects in design and workmanship and gives you, buyers and lenders the confidence they need.
- Rely on an experienced provider with 10+ years of experience in self-build insurance, trusted by thousands of self-builders across the UK
- Cover that fits your project
Protection during the build for self-managing and self-building homeowners and custom builders.
Designed for turning barns, churches, or existing spaces into new homes.
Safeguards your investment while expanding an existing property.
For modernising or upgrading - cover for the structure, new works, tools, and materials.
Development Insurance designed for property developers building or converting for resale.
Long-term cover for latent defects on any project type - ideal for lenders, resale, and peace of mind after the build.
Essential if your works affect neighbouring properties under the Act.
Help navigating insurance requirements when applying for staged release mortgages.
Site insurance to get you started. Structural warranty to see you through.
Self-building is a big step - and whether you’re taking on a new build, renovation, extension or conversion, you want cover you can count on at every stage.
At Protek, we specialise in self-build site insurance and 10-year structural warranties, backed by 10+ years of experience and trusted by thousands of UK home builders. From planning and excavation to handover and mortgage approvals, we help make sure you’re protected before, during and long after the build is complete.
Our policies are flexible, competitive, and lender-approved - so whether you’re hiring a builder, managing trades, or doing the work yourself, you’re only paying for what you actually need.
- We're with you every step of the way through your self build journey
Planning & Preparation
Laying the groundwork for your build. We help you understand risks, lender requirements, and what cover you’ll need before you break ground.
Site Purchase & Finance
Whether buying land or planning a conversion, your exposure to risk starts early. We offer essential site insurance and support with self-build mortgage requirements.
Design & Workmanship
From architectural plans to building control approvals, our structural warranty technical audits ensure your project is being built to the correct specification while your design comes to life.
Onsite Construction
Protect your materials, tools, works in progress, and liability. Our site insurance is flexible, competitive, and tailored to your exact build method.
Completion & Warranty
Once built, our 10-year structural warranty gives long-term peace of mind for you - and your lender. Covers defects in design, materials, and workmanship.
Sale or Remortgage
Need to sell or refinance later? A Protek warranty is widely accepted & trusted by UK lenders, whether keeping or selling the home.
Complimentary Resources
Building doesn’t need to be overwhelming. Explore insights, case studies and advice tailored for self-builders, renovators and developers at every stage.
Ready to begin your self build journey? Let us guide you!
From planning permission to final sign-off, we’re here to support every step of your self build with the right protection and expert guidance.
Use our online quoting tool to get a free quote for your self build project.
Prefer to speak to someone direct? Give our friendly team a call.