Extensions
A Full Service Approach
As a leading Surrey builder, with a near-30-strong team of skilled professionals, we bring together craftsmanship, experience, and project management expertise to ensure every build is completed to the highest standards.
We can collaborate with your existing architect or connect you with our trusted design partners to develop plans, then manage every stage of the build with meticulous attention to detail. Each project is overseen by a dedicated site manager, giving you peace of mind that your build will run smoothly, stay on schedule, and deliver a home you’ll be proud of.
We believe that quality and professionalism should never cost more. In fact, many of our clients tell us that our quotes are among the most competitive they receive — all while enjoying the reassurance of working with a well-established, trusted building company.
The majority of our work comes from client recommendations — a clear reflection of the trust we’ve built and the quality we consistently deliver.
The Complete Way
Free Initial Consultation & Site Visit
Clear Communication & Competitive Pricing
No Upfront Payments & Transparent Costing
Dedicated Site Manager for Every Project
Quality Finishes & Timely Completion
Industry-Backed Warranties – NHBC A1 Rating (Highest Possible) & MasterBond Guarantees
Accredited & Trusted – Federation of Master Builders & Association of Master Tradesmen
Crafted for Modern & Period Homes
At Complete Building Solutions, we have over two decades of experience constructing large extensions for homes across Surrey and Hampshire. Since 2002, our team has delivered more than 400 projects, providing homeowners with additional space through reliable workmanship, professional project management, and competitive pricing.
Whether you live in a modern property or a listed period home, we specialise in seamless integration — ensuring extensions enhance the existing structure. In many cases, we also introduce modern design elements alongside traditional features, creating spaces that combine character with contemporary living.
Start Your Extension
It’s always best to contact a reputable building firm at the earliest stage of your project. We’d genuinely welcome the opportunity to discuss your vision in more detail — with no obligation.