
Addition & Alteration (A&A)
Addition & Alteration (A&A) works allow building owners to unlock substantial property value and adapt existing facilities to modern demands without costly full redevelopment. Hock Soon Heng possesses vast expertise in complex structural strengthening, floor slab cut-outs, additional mezzanine levels, façade modernisations, and change-of-use conversions across industrial premises, conservation shophouses, and educational institutions.
Scope of Work & Capabilities
Why Choose Hock Soon Heng for Addition & Alteration (A&A)
Live Environment Execution
Specialised dust suppression, acoustic partitioning, and staged construction to keep surrounding operations running smoothly.
Heritage & Conservation Sensitivity
Trusted by government agencies like Singapore Land Authority (SLA) for historical bungalow restorations along Kay Siang Road.
Rapid Statutory Approvals
Deep familiarity with URA development control parameters, envelope control guidelines, and SCDF fire safety waivers.
Our Execution Methodology: Safe, Solid, Swift
Structural Dilapidation & Feasibility
As-built structural review, concrete coring tests, and load redistributions.
Propping & Controlled Removal
Temporary shoring erection, diamond wire sawing, and precise selective deconstruction.
Structural Strengthening & Extension
Steel beam retrofitting, carbon fiber wrapping, and new floor slab casting.
Fit-out, Testing & Statutory Handover
Finishes execution, fire safety audit, RI inspection, and official TOP endorsement.
Featured Projects in Addition & Alteration (A&A)

A&A and Change of Use at Hamilton Road Shophouses
Conversion of offices to shops/restaurants; residential retained.

A&A to 3-Storey Church at Marsiling Lane
Alterations to existing church building.

A&A to Bungalows at Kay Siang Road
Alterations to 2-storey bungalows with pools.

4-Storey Rear Extension to Outram Road Shophouses
New rear extension with residential apartments.
All 5 Pillars of Expertise
Need a Detailed Quotation for Addition & Alteration (A&A)?
Connect directly with our contracts and engineering team for site assessments, bill of quantities (BOQ) review, and preliminary costing.
