Building Better Spaces with Quality You Can Trust
Whether you're extending your home, renovating a property, or planning a complete new build, SEM Group is here to bring your vision to life. We deliver high-quality residential and commercial construction projects, combining expert craftsmanship with reliable project management to create spaces that are practical, beautiful, and built to last.
From home extensions, loft conversions, and full property renovations to bespoke kitchens, bathrooms, garden studios, commercial fit-outs, and new build developments, our experienced team manages every stage of your project. We can also assist with planning, architectural drawings, structural calculations, interior design, and building regulations, providing a seamless service from concept through to completion.
At SEM Group, we understand that every project is unique. That's why we take the time to understand your goals, budget, and lifestyle before recommending the best solution. Throughout the project, you'll benefit from clear communication, honest advice, meticulous attention to detail, and a commitment to delivering exceptional workmanship on time and within budget.
With over 17 years of industry experience, SEM Group has built a reputation for quality, reliability, and professionalism across London and Surrey. Whether you're transforming your family home, adding valuable living space, or refurbishing commercial premises, we're committed to delivering outstanding results that exceed expectations.
Flexible Stage Payment Options
We understand that every construction project is a significant investment. To help make the process more manageable, we offer flexible stage payment options, allowing you to spread the cost over the duration of the project. Payments are linked to clearly defined milestones, giving you confidence, transparency, and peace of mind at every stage.
Complimentary In-Home Consultations
Start your project with a free, no-obligation consultation in the comfort of your home. One of our experienced specialists will discuss your ideas, assess your property, answer your questions, and provide expert advice tailored to your vision, budget, and requirements. We'll help you explore the best solutions and guide you through the next steps with confidence.
Commitment to Excellence
At SEM Group, excellence is at the heart of everything we do. From the quality of our workmanship to our project management and customer service, we are committed to delivering exceptional results with professionalism, integrity, and attention to detail on every project.
Experienced, Qualified & Fully Insured
At SEM Group, we combine years of industry expertise with a commitment to the highest standards of workmanship and customer care. As a fully insured construction company, we provide the reassurance, professionalism, and reliability you need to move forward with confidence.
Why Choose Us
Our Comprehensive Services
Loft Conversions
Client Testimonials
“SEM Group exceeded my expectations. Their attention to detail and professionalism are unmatched. I highly recommend their services.”
Samantha Green
“The team at SEM Group transformed my space beautifully. I couldn't be happier with the results. Thank you for your outstanding work.”
Jack Thompson
“Choosing SEM Group was the best decision. Their dedication and craftsmanship are truly commendable. I am thrilled with the outcome.”
Hear From Our Clients
Start Your Project
With SEM Group
Whether you're in need of our services or have a question, feel free to reach out to us. We're here to bring your vision to life. Service Areas: London, Surrey and surrounding areas.
