If you are undertaking construction, renovation, or building works in Singapore, there is a good chance you will need PE endorsement before authorities approve your project. Here is the complete 2026 guide.

In short: An A&A (Addition & Alteration) submission is the BCA approval required for renovation, extension, or change-of-use works affecting structural elements in Singapore. Required when load-bearing walls, columns, beams, or slabs are altered. Endorsement by a registered PE Civil is mandatory before construction. Typical fees: S$1,500–S$5,000 residential, S$3,000–S$10,000 commercial. Timelines: 1–3 weeks for the PE side, 4–8 weeks for full BCA approval. Most renovations th

In short: Every building project in Singapore that touches structural elements requires one or more BCA submissions — the regulatory approvals issued by the Building and Construction Authority. The most common types are A&A (Addition & Alteration), new erection, regularisation, ERSS, temporary structures, and Periodic Structural Inspection. Each submission requires a registered Professional Engineer's endorsement. From 1 October 2026, all new building projects regardless of s

This is the central reference hub for Singapore building compliance, Professional Engineer (PE) endorsement, BCA submissions, CORENET-X BIM, regularisation, periodic structural inspection, and geotechnical engineering. Each topic below links to a dedicated guide written by Er. Cavan Chai Han Hon, PE (Civil), PEB Reg. No. 5376, with PE (Geotechnical) coverage delivered through CVC's strategic partner panel of registered PE Geo consultants. CVC Engineers Pte Ltd (UEN 202332143E

In short: Periodic Structural Inspection (PSI) is a mandatory inspection regime under Singapore's Building Control Act for older buildings. PSI must be conducted by a registered Professional Engineer (Civil), with the inspection report submitted to BCA. Non-residential buildings are inspected every 5 years. Residential buildings are inspected every 10 years. Buildings become subject to PSI from their 13th year of age. Failing to comply is an offence under the Building Control

In short: A PE endorsement is the formal sign-off by a Singapore-registered Professional Engineer that a structural, geotechnical, or civil design meets all applicable codes and regulations. It is legally required for most BCA, SCDF, PUB, LTA, HDB, and ECM submissions involving structural elements. The PE who signs takes personal civil and criminal liability for the design's safety. Fees range from S$300 for simple temporary structures to tens of thousands for large structura