About Us
About Us
Trusted Builders in London & Kent – Capstone Builders
Capstone Builders is a trusted building company serving homeowners and businesses across London, Greater London, and Kent. As Trusted Builders in London & Kent, we take pride in delivering high-quality, budget-friendly construction solutions tailored to our clients’ needs. With over a decade of experience, we specialise in loft extensions, home renovations, kitchen and bathroom fittings, side extensions, and bespoke refurbishments, helping homeowners and businesses maximise their spaces efficiently.
Why Choose Us?
- Experienced & Reliable – Over a decade of delivering projects on time.
- Competitive Pricing – Upfront quotes with no hidden fees.
- Comprehensive Services – Loft extensions, garage conversions, driveways, landscaping, and handyman services.
- Local Expertise – Tailored solutions for different property types across London & Kent.
- Seamless Project Management – Minimising disruption with an efficient workflow.
Our Commitment
At Capstone Builders, we believe in clear communication, practical solutions, and efficient project delivery. Whether it’s a full home extension, or a commercial renovation, we work professionally and efficiently, aiming to meet our clients’ needs with practical solutions and reliable service.
By working closely with homeowners, landlords, and businesses, we continue to provide trusted, high-quality building services across London and Kent. If you’re ready to transform your space, get in touch with our team today!
Trustable
Trusted by London & Kent homeowners for our transparent process and local expertise, ensuring a smooth and stress-free renovation experience.
Project On Time
We prioritize efficient scheduling and minimal disruptions, keeping home extensions and commercial projects on track.
Budget Friendly
We offer competitive pricing and flexible options, making loft conversions and renovations more affordable.
100+
Successfully Project Delivered.
Affordable
Without compromising quality.
15+
Years of experience with proud.
Reliable
Year of experience
The Team
Our Experts

Mike Rich
Lead Architect

Jenny Smith
Head Engineer (US)

George Doe
Head Engineer (CN)

Maria Jay
Head Engineer (AU)
Sustainability
Committed To Keep People Healthy & Safe
We Follow Best Practices
- Sustainablility
- Project On Time
- Modern Technology
- Latest Designs