3s Doors and LocksExperience the ultimate in convenience and security with our cutting-edge smart locks. Take full control of your home’s security from the palm of your hand, whether you're at home, at work, or on the go.
3s Doors and LocksPremium Aluminium Doors with Unmatched Security and Multi-Point Locking Precision.
3s Doors and LocksUnmatched affordability without cutting corners on what matters most
At 3S, we specialise in premium aluminium entrance doors that combine strength, style, and security. Designed with modern aesthetics and built to last, our doors offer beauty and durability you can trust.
As a leading aluminium door supplier in London, we provide an industry-leading 6-year warranty—unmatched in the market. Beyond our products, we offer personalised design assistance and exceptional customer support to help you find the perfect door for your home or business.
We also excel in smart lock integration, offering fingerprint locks, digital keypads, and remote access systems for enhanced security and modern convenience. Our solutions are compatible with both new and existing doors, ensuring advanced protection for residential and commercial properties.
What sets us apart is our commitment to affordable prices without compromising on quality or security. Every door is crafted with advanced safety features, and our expert team ensures a seamless, stress-free experience.
Choose 3S for aluminium entrance doors that deliver reliability, style, and unmatched service. Whether upgrading your home or securing your business, we are your trusted partner in London.
Why Choose Us ?At 3S, we make upgrading your property easy with secure, smart, and stylish aluminium doors. Whether you’re enhancing your home’s entrance or securing a commercial space, we are your trusted aluminium door provider in London.
Designed for durability and modern appeal
Fluorocarbon Spraying for unmatched durability and aesthetics
No other supplier in London offers this guarantee
Secure and stylish doors at competitive rates
Enhanced security for your home or business
Seamlessly integrated with both new and existing doors for keyless entry and modern convenience
Reliable service and expert advice
How It’s Work
We start with a one-on-one consultation to understand your specific needs and preferences for aluminium entrance doors and smart locks.
Based on your requirements, we create a bespoke aluminium door design and provide a transparent, competitive quote tailored to your budget.
Our expert team ensures fast, professional aluminium door installation with seamless smart lock integration, guaranteeing enhanced security and modern convenience.
Partner with 3S – Elevate Your Offerings with Premium Aluminium Doors in Greater London
At 3S, we specialize in providing premium aluminium doors and smart locks that combine strength, style, and security—all at competitive prices. As a leading aluminium door supplier in London, we offer an industry-leading 6-year warranty, setting a new standard in quality and durability for aluminium doors.
The only brand offering a 6-year guarantee on aluminium doors.
Modern, energy-efficient aluminium door designs built to last.
Fluorocarbon Spraying for unmatched durability and aesthetics.
Premium aluminium sliding doors, patio doors, and folding doors without the premium price tag.
Dedicated service and personalized design assistance for your customers.
Testimonials
Absolutely thrilled with my new aluminium entrance door from 3S! Stylish, secure, and the Fluorocarbon Spraying finish looks premium. Smart lock integration was seamless, and the 6-year warranty is a huge plus. Highly recommend 3S for quality and reliability!
3S transformed my office with their smart lock installation! The fingerprint lock and remote access system are flawless, and integration was seamless. Highly recommend their top-notch smart lock solutions!
"I’m thrilled with my 3S aluminium doors and digital locks! The noise control is excellent, and the vibrant colours give my home a modern look. The digital lock adds extra security, making me feel safe and stylish."
"Feels premium and works flawlessly! The build quality is fantastic, and setup was a breeze!
"I installed 3S aluminium doors with digital locks, and I’m impressed! They’re sleek, secure, and offer great insulation. The keyless entry adds convenience without compromising style. My home looks stunning, and I feel safe. Highly recommend!"
Disclaimer: The images are for illustrative purposes only. The door and smart lock design and colour may vary based on door specifications and customization options.
