Addition & Alteration (A&A) Works in Singapore
Office & Retail Demolition Services | Fast Reinstatement for Lease Handover
BCA-Compliant Building Modification & Structural Upgrades
At DEMOSQUAD, we deliver professional Addition & Alteration (A&A) works in Singapore for residential, commercial, and industrial properties. Whether you’re expanding usable space, reconfiguring layouts, or upgrading structural elements, our experienced team ensures all work is engineered for safety, durability, and full regulatory compliance.
Our A&A Services
A&A works refer to modifications that change part of an existing building without rebuilding it completely. Common A&A projects include:
- Extending or merging rooms and workspaces
- Installing new partitions, mezzanine floors, or staircases
- Upgrading façades, roofing, or floor structures
- Modifying plumbing, electrical, or M&E systems
- Strengthening structural elements under Professional Engineer (PE) supervision
We provide complete end-to-end management for all A&A projects, from site survey to BCA submission and final handover.
Residential A&A Works
- Room extensions, balcony enclosures, or car porch upgrades
- Structural wall modifications and roof replacements
- Layout reconfiguration for landed homes and resale properties
Commercial & Office A&A Works
- Partitioning and space optimisation for offices, retail shops, and shophouses
- M&E and lighting upgrades for new tenants
- Façade refurbishment and accessibility improvements
Industrial A&A Works
- Factory layout expansion, loading bay extensions, or mezzanine installations
- Reinforcement of floors, beams, and platforms for heavy machinery
- Roofing replacement and weatherproofing upgrades
Types of A&A Projects We Handle
- Structural A&A Works
- Spatial Reconfiguration
- Facade & Exterior Works
- Mechanical & Electrical A&A Works
- Roofing & Ceiling A&A Works
- Industrial A&A Works
- Medical & Specialist Facility A&A Works
- Pre-Renovation A&A Prep Works
Why Choose DEMOSQUAD for A&A Works
Licensed & Experienced Team – Trained professionals familiar with BCA, URA, and SCDF requirements.
PE-Endorsed Structural Works – We coordinate all necessary submissions and endorsements.
Transparent Costing – Clear quotations with detailed work scope.
Safety & Compliance First – bizSAFE certified with strict adherence to WSH guidelines.
End-to-End Project Delivery – From design and documentation to execution and disposal.
Our Services
How it works
1
Site Assessment & Scope Discussion
We assess feasibility, structure, and design intent.
2
Proposal and Submission
Detailed breakdown of scope, timeline, and costs.
3
Authority and Submissions
PE endorsement and BCA/URA application as needed.
4
Construction and Supervision
Work executed safely with regular updates.
5
Final Inspection & Handover
Ensuring all works meet regulatory and client standards.
Serving Offices & Homes Islandwide
From Orchard Road to Jurong, and from industrial zones to neighbourhood malls, we’ve worked with tenants across Singapore. We’re familiar with protocols at locations like:
- Far East Organization buildings
- CapitaLand malls
- Frasers Property retail outlets
- Shenton Way and Raffles Place offices
- HDB commercial units
Ready to start your A&A project in Singapore?
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Frequently Asked Questions – Commercial Demolition & Reinstatement
1. Do I need BCA or URA approval for A&A works?
Yes, most A&A works require submission through a Qualified Person (QP) or Professional Engineer (PE). We manage the process for you.
2.What’s the difference between A&A and renovation?
Renovation focuses on finishes and interior design, while A&A involves structural or spatial modification that alters part of the building’s form or use.
3. How long do A&A projects take?
Smaller works may complete in 2–4 weeks; larger structural projects can take 2–3 months depending on complexity and permit approvals.
4. Can you help with design and PE submission?
Yes. We collaborate with licensed engineers and architects to ensure full compliance.