DESIGN & BUILD
RENOVATION
A&A WORKS
LANDED
HDB
CONDO
IN-HOUSE CARPENTRY
SINGAPORE SPECIALISTS
Alexis Design and Build – Your Trusted Design & Build Partner in Singapore
Alexis Design and Build is a Singapore-based design & build and renovation specialist providing complete end-to-end solutions for Landed Houses, HDB flats and Condominiums. Backed by the Alexis Group, we handle everything from design, planning, authority submissions and construction to interior renovation and in-house carpentry works — all under one roof.
Whether you are planning a full home rebuild, Addition & Alteration (A&A), or a complete interior renovation, our team ensures your project is delivered with clarity, accountability and workmanship you can trust.
Our Core
Services
Offerings
at Alexis
Design & Build
We provide full concept-to-completion design and build services for homeowners who want a single responsible contractor managing the entire project — from design, approvals and construction to final handover.
Addition & Alteration (A&A)
We specialise in A&A works for landed houses in Singapore, including extensions, additional floors, layout reconfiguration and structural upgrading — fully managed and compliant.
Interior Renovation
From full home renovations to partial upgrades, we deliver high-quality interior renovation works for landed homes, HDB flats and condominiums.
In-House Carpentry
All carpentry works are produced by our own in-house carpentry factory, ensuring better quality control, customisation and consistent workmanship.
WHAT WE DO
Specialists in Landed, HDB & Condominium Renovation in Singapore
The Perfect Choice For Any
Landed House Renovation
HDB Renovation
Condominium Renovation
Landed House Renovation
Alexis Design and Build specialises in landed house renovation, rebuilding, and Addition & Alteration (A&A) works in Singapore. From partial upgrades to full-scale design & build and reconstruction projects, we manage everything including space planning, authority submissions, structural works, interior renovation and finishing.
Whether it is a terrace house, semi-detached or bungalow, our team ensures every landed home renovation is properly planned, well-built and executed with full responsibility from start to completion.
HDB Renovation
We provide complete HDB renovation services for BTO and resale flats in Singapore, focusing on smart space planning, practical layouts and long-lasting workmanship. Our team handles the entire renovation process, from design and planning to hacking, carpentry, electrical, plumbing and final handover.
With a strong understanding of HDB guidelines and renovation requirements, we ensure your HDB renovation is smooth, compliant and delivered without unnecessary delays.
Condominium Renovation
Our condominium renovation services in Singapore are designed for homeowners who expect high standards, careful coordination and proper site management. We handle full interior renovation, layout optimisation, custom carpentry and finishing works while strictly following MCST regulations and condo renovation guidelines.
From modern upgrades to full home transformations, we ensure your condo renovation is well-managed, well-executed and completed with minimal disruption.
Explore our portfolio of design & build, A&A and renovation projects completed across Singapore. Each project is managed with the same commitment to quality, structure and responsibility.
Understanding Your Home
We begin with a detailed consultation and site study to understand your requirements, lifestyle needs and existing site conditions. This allows us to plan your renovation, A&A or design & build project in Singapore properly from the very start.
Designing the Vision
Our designers create practical space planning and concept designs that balance aesthetics, functionality and budget, ensuring your home renovation or rebuilding project is well thought out before execution.
Planning the Investment
We prepare a clear and structured renovation or construction proposal with proper cost planning, so you know exactly what is included, what it costs and how the project will be executed.
Handling the Approvals
For landed house A&A and reconstruction projects, we manage authority submissions and approvals in Singapore, ensuring your project complies with all regulatory requirements.
Building It Right
Our experienced team executes the construction and renovation works with strict supervision, proper scheduling and quality control, ensuring your project is built correctly, safely and on time.
Crafting the Details
All custom carpentry and finishing works are produced and installed with care, including kitchen cabinets, wardrobes, feature walls and built-in furniture, ensuring quality finishing throughout the home.
Final Checks & Delivery
Before handover, we conduct thorough inspections and quality checks to ensure every detail meets our standards, delivering your completed renovation or design & build project with confidence.
Every home tells a story. Our before and after renovation transformations show how thoughtful design, proper planning and quality execution can completely change a space — not just visually, but functionally.
From old landed houses to modern family homes, from dated HDB flats to contemporary living spaces, our work speaks for itself.
WHY
ALEXIS
One Team. One Responsibility. Total Peace of Mind.
Unlike typical renovation contractors, Alexis Design and Build operates on a full accountability model. We do not pass responsibility between designers, contractors and carpenters. Everything is managed internally by one team.
ALEXIS DESIGN AND BUILD
Why Homeowners Choose
Alexis Design and Build?
Complete End-to-End Project Responsibility
We handle your entire design & build or renovation project in Singapore from planning and approvals to construction, carpentry and final handover — so you deal with one responsible team, not multiple contractors.
In-House Carpentry Factory for Better Quality Control
All carpentry works are produced in our own in-house carpentry factory, allowing us to maintain higher workmanship standards, better customisation and consistent finishing quality for every home.
Clear Process with Proper Planning and Structure
Our proven process ensures your renovation or construction project is carefully planned before execution, reducing mistakes, delays and unnecessary costs.
Strict Quality Control at Every Stage of Work
From structural works to final finishes, we enforce strict quality checks throughout the project, ensuring your home is built or renovated to long-lasting and reliable standards.
Transparent Communication Throughout the Project
We believe in honest, clear and timely communication, keeping you informed at every stage of your renovation or design & build journey in Singapore.
On-Time Delivery Mindset and Responsible Scheduling
We plan our projects with realistic timelines and disciplined scheduling, ensuring your renovation or design & build project is completed on time without compromising quality.
We make your Dream
Reality
Home
Space
Lifestyle
Future
Vision
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We engaged Alexis Design and Build for our landed house A&A and renovation, and the experience was very smooth from start to finish. They handled everything from design, submissions, construction to carpentry. The team was organised, responsive, and the workmanship was excellent. We especially appreciated their honesty and proper planning.
Mr & Mrs Tan Wei Ming Brightfield Property Holdings
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Alexis Design and Build is very professional and responsible. They don’t just renovate, they really manage the whole project properly. The timeline was well controlled and the quality of work exceeded our expectations. Their in-house carpentry made a big difference in finishing quality.
Mr Adrian Teo Evergreen Assets Management
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We renovated our resale HDB with Alexis and we are very happy with the outcome. They understand HDB rules well and guided us clearly through the process. Communication was transparent and problems were solved quickly. The final result is beautiful and practical.
Ms Cheryl Goh Northpoint Development & Investment
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The carpentry quality from Alexis is really good. You can tell it’s not outsourced. The wardrobes, kitchen cabinets and feature walls are very well done and solid. The finishing details are much better compared to our previous renovation experience.
Jason Lim Wei Sheng Crestview Properties
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Alexis Design and Build is a very honest and transparent contractor. Quotation is clear, variation works are explained properly, and there are no surprises. They keep us updated regularly and we always know what is happening on site.
Mrs Ong Kai Leong Summit Ridge Developments
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Our condo renovation was handled very professionally by Alexis Design and Build. They coordinated well with the management and kept the site clean and organised. The carpentry work is very well done and the details are nicely finished. Would definitely recommend them.
Amanda Tan Hui Min Horizon Real Estate Holdings
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We chose Alexis for a full design and build project because we wanted one responsible party to handle everything. They did not disappoint. The process was clear, the planning was good, and the site supervision was strong. Most importantly, they deliver what they promise.
Daniel Ong Jun Kai UrbanNest Property Group
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What we like most about Alexis is their project management and responsibility. They don’t push problems to others and always take ownership. Any issue was discussed and solved properly. The quality control is very strict and it shows in the final outcome.
Kelvin Chua Yong Ming PrimeAxis Holdings
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Renovation is stressful, but Alexis made it much easier for us. The team is reliable, responsible and easy to communicate with. The project was completed on schedule and the quality met our expectations. We are very glad we chose Alexis Design and Build.
Mr Lim Jun Hao Silverline Developments