Addition & Alteration (A&A) Services

Experienced A&A contractor in Singapore — transforming and extending properties with quality workmanship and full permit management.

Trusted Addition & Alteration Contractor

Addition and Alteration (A&A) works are construction modifications made to an existing structure — extensions, internal and external changes that enhance both aesthetics and functionality.

At Form & Function, we handle extensions, partition works, structural frames, staircases, canopies and more — managing every permit and quality standard across the full project lifecycle.

Common A&A Works

From single-room extensions to full structural alterations, we cover the complete scope of A&A.

Extension of Living Spaces

Add new rooms or expand existing areas to gain functional space for your growing needs.

Addition of External Space

Roof terraces, balconies and patios that extend your living areas to the outdoors.

Internal Amenities Upgrade

New staircases, lifts and structural changes that improve access, safety and comfort.

Landscape Enhancements

Gardens, patios and outdoor features that elevate your property’s appeal and value.

Why Choose Form & Function

Full Permit Management

We handle all BCA and authority submissions so your project stays compliant.

Experienced Team

Skilled tradesmen and project managers with a strong track record.

Quality Workmanship

Rigorous quality checks at every stage, from structure to final finishes.

Transparent Pricing

Clear, fixed quotations with no hidden costs or surprise variations.

Featured A&A Projects

Landed Property Extension

Addition & Alteration

Structural Alteration

Addition & Alteration

Facade & External Works

Addition & Alteration

Interior Reconfiguration

Addition & Alteration

Frequently Asked Questions

Do I need a permit for A&A works?

Most A&A works require authority approval. Form & Function manages all necessary permits and submissions on your behalf.

How long does an A&A project take?

Timelines range from a few weeks to several months depending on the scope and complexity of the works.

How much does A&A cost?

Cost varies by scope. We provide a detailed, transparent quotation after an on-site consultation.

Can I stay in the property during works?

It depends on the renovation scope. Major structural works may require temporary relocation; we advise you upfront.

Planning an Addition or Alteration?

Get a free, no-obligation consultation and quotation from our A&A specialists.

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