Answers
333 questions owners, MCSTs, tenants and contractors ask about building work in Singapore, each answered in a few sentences and linked to the full, sourced guide.
Façades and work at height
- Does the PFI apply to landed houses?
- How is the age of my building counted for the PFI?
- Can I carry out the PFI before BCA sends me a notice?
- Can the PFI be deferred because we are doing repainting (R&R) works?
- Is a drone inspection enough to satisfy the PFI?
- Who pays for the PFI in a condominium?
- What happens if the CP finds an unsafe façade?
- Can I appoint the architect or engineer who designed my building as the CP?
- How long do we have to complete the repairs?
- How long do I have to complete PFI repairs?
- Do I have to repair the whole façade or only the 10% that was inspected?
- Can the contractor certify that the repairs are complete?
- When do façade repairs need a Professional Engineer?
- What temporary safety measures are required while waiting for repairs?
- We are replacing aluminium composite cladding panels. Are there fire rules?
- Who can replace windows found defective during the PFI?
- Is it acceptable to just apply new sealant over the old joint?
- Is rope access legal for façade work in Singapore?
- Which rope access certifications are recognised in Singapore?
- Who is responsible for providing access for a PFI close-range inspection?
- Do gondolas need a Professional Engineer?
- When is a permit-to-work required for façade work?
- Can gondola outriggers be fixed to a brick parapet?
- Do I need an approved scaffold contractor for a small scaffold?
- Which access method is cheapest?
- What is the difference between AAMA 501.2 and ASTM E1105?
- Why does my façade only leak in some storms?
- Can thermography find façade leaks?
- Should we just re-seal the whole façade?
- Can a leak be something other than the façade?
- Will a third-party repair void our curtain wall warranty?
- Who should carry out leak testing?
- How often must my building undergo PSI?
- When is the first PSI after TOP?
- Can any engineer carry out the PSI?
- Does a recent PSI exempt my building from the façade inspection?
- Can the PSI be postponed because we are doing renovation or A&A works?
- What happens if the engineer finds serious defects?
- Who is responsible for PSI in a condominium?
- Can the owner get past PSI reports?
Defects and maintenance
- Why do floor tiles suddenly pop up with a loud crack?
- Is a hollow-sounding tile always a defect?
- Who pays for popped tiles in my HDB flat?
- Who pays for popped tiles in a condominium unit?
- Can the developer refuse to fix popped tiles after the defects liability period?
- Are popped façade tiles covered by the Periodic Façade Inspection?
- Can hollow tiles be fixed without removing them?
- How do I stop new tiles from popping?
- What is spalling concrete?
- Is spalling concrete dangerous?
- Can I repair spalling concrete myself?
- Who pays to repair spalling concrete in an HDB flat?
- Who pays to repair spalling concrete in a condominium?
- Does spalling repair need BCA approval?
- Why does spalling come back after repair?
- How is spalling linked to the Periodic Structural Inspection?
- Are hairline cracks in walls normal?
- What crack width is considered structural?
- Which cracks should I worry about?
- How do I monitor a crack?
- Who repairs cracks in a condominium?
- Can I fill cracks myself before selling or renting out?
- Do cracks in a new home fall under the developer's defects liability?
- Does the Periodic Structural Inspection look at cracks?
- How long should a waterproofing ponding test last?
- Which is better: torch-on, liquid or cementitious waterproofing?
- Who pays for a roof leak into a top-floor condo unit?
- Can I just coat over my old roof membrane?
- What does a waterproofing warranty usually cover?
- Why does my roof leak only during some storms?
- Do I need BCA approval to redo roof waterproofing?
- Is the owner above automatically liable for a leak into my ceiling?
- Does the MCST have to fix a leak between two units?
- How much does it cost to apply to the Strata Titles Boards?
- What is a ponding test?
- Can I claim loss of rental income caused by the leak?
- My neighbour above refuses to let anyone in. What can I do?
- How is it handled in HDB flats?
- Will thermal imaging prove where the leak comes from?
- Why did my tempered glass shatter when nobody touched it?
- Does heat-soak testing make tempered glass safe?
- Must glass balustrades in Singapore be laminated?
- How high must a balcony railing be in Singapore?
- Is laminated glass the same as tempered glass?
- Who is responsible for a cracked glass balustrade in a condo?
- Does the Periodic Façade Inspection cover glass?
- Who is responsible if a window falls from my condo unit?
- How often should I check my windows?
- Do I have to replace aluminium rivets in my casement windows?
- What is an Approved Window Contractor?
- What is the penalty if my window falls?
- Can I just ask a handyman to fix a loose window?
- Do landed houses fall under these window rules?
- Must a fallen window be reported to BCA?
- Who is responsible for my air-con bracket in an HDB flat?
- What material must an air-con bracket be made of?
- Can any air-con technician install or replace the outdoor unit?
- How often should air-con brackets be checked?
- Are planter boxes and sunshades exterior features?
- What happens if BCA finds my bracket unsafe?
- Does the Periodic Façade Inspection check air-con brackets?
- Do these rules apply to my landed house?
Approvals and compliance
- Do I need BCA approval to put up office partitions?
- What is the SCDF minor A&A lodgement, and when can I use it?
- My new tenant wants to turn an office into a tuition centre. Who needs to approve?
- Can my contractor submit the plans instead of a QP?
- How long do approvals for a typical office fit-out take?
- Are approvals needed for electrical and plumbing changes in a fit-out?
- What happens if works start before approval?
- Does a condo owner need MCST approval for internal renovations?
- How can I tell whether a wall is structural?
- Do I need BCA approval to hack a non-structural wall?
- Can I core a hole through a floor slab for a pipe?
- Why are post-tensioned slabs so dangerous to core?
- Can I hack or modify my household shelter?
- What happens if structural works are done without a permit?
- Does a condo need to approve hacking inside my unit?
- Is scanning the slab enough before coring?
- Does every office fit-out need SCDF approval?
- What is the difference between an FSC, a TFP and a Fire Certificate?
- Who is the Registered Inspector and who appoints them?
- How many sprinklers can I move without full SCDF approval?
- Can I put up a partition without telling SCDF?
- What happens if SCDF finds problems at inspection?
- Is a change of use an SCDF matter?
- Does the building's Fire Safety Manager need to approve my works?
- What does it mean when drawings are 'PE-endorsed'?
- How do I check that an engineer is a real, practising PE?
- Is it illegal for a contractor to arrange the PE for my works?
- What is the difference between a PE and a Qualified Person (QP)?
- Can the same PE design and supervise my works?
- Can a PE give a contractor a commission for referring work?
- Who does the PE owe duties to if the contractor pays the fee?
- What happens if my QP stops acting halfway through the works?
- What counts as unauthorised building works in Singapore?
- I bought the property with the unauthorised works already there. Am I responsible?
- Can unauthorised works be approved after the event?
- Will my lawyer's legal requisition reveal unauthorised works?
- How are unauthorised works usually discovered?
- What does regularisation cost?
- Is a mezzanine in a warehouse unit a building work?
- Does the tenant or the landlord bear liability for a tenant's unauthorised works?
- Do I need a licence for my shop signboard?
- When does a signboard need a Professional Engineer?
- What changed for signs on 2 November 2026?
- Is a signboard an 'exterior feature' under the Building Control Act?
- Who is liable if a signboard falls?
- Does an exhibition booth need PE endorsement?
- Do event tents and stages need a Permit To Use?
- How long can a temporary building stay up?
- What is the difference between A&A and reconstruction for a landed house?
- Do I need URA approval to add an attic to my terrace house?
- Which landed house works need no BCA plan submission?
- Can I hack into my party wall to support a new beam?
- Does my renovated house need SCDF fire safety approval?
- What are the rules for Good Class Bungalow Areas?
- Do I need to tell my neighbours before renovating?
- How long does a landed house A&A approval take?
- Is there a prescribed by-law on renovation in Singapore condos?
- Can my MCST stop me from installing window grilles?
- Can I enclose my condo balcony with glass?
- Can I hack a wall in my condo unit?
- How much is a typical condo renovation deposit?
- Who is responsible for waterproofing in my condo bathroom?
- What can I do if the MCST unreasonably rejects my renovation?
- Does a condo renovation need SCDF approval?
- Do I need URA approval to repaint a conserved shophouse?
- Which parts of a conserved shophouse must be kept?
- Can I build a rear extension to a conserved shophouse?
- Can I add an attic to a shophouse?
- What happened at 32 Desker Road?
- Does SCDF allow timber floors and staircases to stay?
- Can a conserved shophouse be converted to a hostel or co-living use?
- Can a contractor do conservation works without an architect?
- Do I need BCA approval for a steel mezzanine in my warehouse?
- If BCA exempts my storage platform, do I still need SCDF approval?
- Does a mezzanine count as gross floor area (GFA)?
- Can a mezzanine have just one staircase?
- Is a loft in my home allowed without approval?
- What happened in the Toa Payoh mezzanine collapse?
- Who is liable if a contractor installs a mezzanine without approval?
- I am buying a factory unit that already has a mezzanine. What should I check?
- Can I start renovating my restaurant before SFA approves the layout?
- Do I need URA approval to open a restaurant?
- Does every F&B outlet need a grease trap?
- Is a wet chemical fire suppression system mandatory for a kitchen hood?
- Can I keep LPG cylinders inside my kitchen?
- Who can install gas piping and appliances in a commercial kitchen?
- How often must kitchen exhaust ducts be cleaned?
- What are the most common reasons F&B fit-outs are delayed?
Reinstatement and fit-out
- What does 'reinstate to original condition' mean in a Singapore office lease?
- How long does office reinstatement take in Singapore?
- Can I use any contractor for reinstatement, or must I use the landlord's contractor?
- Do reinstatement works need SCDF or BCA approval?
- What happens if reinstatement is not finished by the lease expiry date?
- Can I negotiate cash in lieu of reinstatement?
- Can I leave my fit-out for the incoming tenant?
- When will I get my security deposit back?
- Is double rent automatic if I hand back my Singapore office late?
- Does the tenant have to be deliberately overstaying for double rent to apply?
- Is double rent calculated on the old rent or the current market rent?
- What are mesne profits?
- If I have moved out but reinstatement is unfinished, am I holding over?
- Can the landlord keep my security deposit if I hand back late?
- How do I estimate my own exposure?
- Is it better to negotiate an extension than to overstay?
- How long does a commercial office fit-out take in Singapore?
- What is the critical path in a fit-out programme?
- Why do landlord approvals delay fit-outs?
- Can I move in before the Fire Safety Certificate is issued?
- What should I ask my fit-out contractor for at the start?
- Who is responsible when a fit-out is late?
- How do design changes affect the programme?
- What is the difference between a GB1 and a GB2 licence?
- Does my renovation contractor need a BCA builder's licence?
- What do CW01 and CR01 mean in BCA's directory?
- Is CRS registration the same as a builder's licence?
- How do I check a contractor's bizSAFE level?
- What insurance should a contractor have?
- How much deposit should I pay a contractor?
- What happened with Greatearth in 2021?
Contracts, cost and delay
- Is the cheapest quote always the riskiest?
- How do I estimate the cost of one week of delay?
- What is reference class forecasting?
- Why are construction delays described as fat-tailed?
- Do liquidated damages solve the delay risk?
- How can a contractor's on-time record be checked?
- Should I just add a contingency to the cheapest quote?
- Are liquidated damages enforceable in Singapore?
- Does the owner have to prove actual loss to claim LDs?
- What happens if the owner causes delay and there is no extension of time clause?
- If the contractor misses the EOT notice deadline, is time at large?
- How is concurrent delay treated in Singapore?
- Should a small fit-out contract have liquidated damages?
- Can LDs be deducted from a progress payment under SOPA?
- Are LDs capped?
- What is a variation order?
- What is the difference between a provisional sum and a prime cost sum?
- Is a lump-sum quotation fixed no matter what?
- Can a contractor claim for variations done on verbal instructions?
- How are variations valued?
- What are dayworks?
- How should I compare quotations with different exclusions?
- Who bears the cost of concealed conditions found during A&A works?
- Does SOPA apply to my renovation or fit-out contract?
- What happens if the owner does not send a payment response?
- How long does SOPA adjudication take?
- How much does adjudication cost?
- Can a contract avoid SOPA or use a pay-when-paid clause?
- Can the contractor stop work if it is not paid?
- Can an owner challenge an adjudication determination?
- Is a WhatsApp or email agreement a written contract for SOPA?
- What is the difference between the defects liability period and the maintenance period?
- How much retention money is usually held in Singapore?
- When should retention money be released?
- Can I still claim for defects found after the defects liability period ends?
- How long do I have to sue for a latent defect in Singapore?
- What is a final account in a construction contract?
- Can the owner fix defects using another contractor and deduct the cost?
- Does SOPA apply to claims for retention money?
- How long is the defects liability period for a new condo in Singapore?
- How long does the developer have to fix defects?
- Can I deduct rectification costs from the money held by the Singapore Academy of Law?
- What happens to defects I reported but the developer did not fix before the DLP ended?
- Who deals with defects in the common property of a new condo?
- Does BCA force developers to fix defects?
- Can the Strata Titles Board order the developer to fix defects?
- What is a good CONQUAS band or Quality Mark?
- Can I take my renovation contractor to the Small Claims Tribunals?
- Can a contractor use the Small Claims Tribunals to recover an unpaid renovation bill?
- Does CASE mediation cost anything?
- Can a renovation contractor use SOPA against a homeowner?
- My neighbour's renovation is causing noise and damage. Where do I go?
- What happens if my contract has an arbitration clause?
- Do I need to send a letter of demand before going to court?
- What evidence do I need for a renovation dispute?
- My contractor has stopped work and is not answering. What should I do first?
- Can I call the performance bond if the contractor goes into liquidation?
- What is SOPA section 24 and how does it help an owner?
- Can my contract say I may terminate if the contractor becomes insolvent?
- How do I claim money from a contractor that is in liquidation?
- How much deposit should I pay a renovation or fit-out contractor?
- What happened with Greatearth in 2021?
- Will a replacement contractor cost more than the original?
Safety and live sites
- Does my building contain asbestos?
- Do I need an asbestos survey before renovating?
- Can my renovation contractor remove asbestos ceiling boards?
- How much notice does MOM need before asbestos removal?
- Is asbestos dangerous if I leave it alone?
- What happens to the asbestos waste?
- Who is responsible: the owner or the contractor?
- What are the health risks of asbestos exposure?
- What should I do if suspected asbestos is found halfway through the works?
- Do I need a BCA permit to strip out an office?
- Is a strip-out 'demolition work' under the WSH regulations?
- Who must prepare the demolition method statement?
- What happened in the Tanjong Pagar demolition collapse?
- Do I need an asbestos survey before demolition?
- Can demolition debris go into the building's bins?
- What is temporary propping and when is it needed?
- What are the dust and noise rules for demolition?
- Do the Work at Heights Regulations require toe-boards?
- Is tool tethering mandatory in Singapore?
- How big should an exclusion zone below work at height be?
- Who is liable if something falls from a building onto a passer-by?
- What are the latest MOM statistics on struck-by-falling-objects injuries?
- Does an MCST have duties when contractors work on the façade?
- What rope access rules help prevent falling objects?
- Must a falling-object incident be reported?
- Is an MCST legally responsible if a contractor's worker falls from the roof?
- At what height do I need a permit-to-work in Singapore?
- What is the difference between a fall prevention plan and a permit-to-work?
- Does bizSAFE Level 3 prove a contractor is safe to work at height?
- What happens after a serious fall at my building?
- Can an MCST transfer all safety liability to the contractor by contract?
- What does 100% tie-off mean?
- Are the penalties for work at height breaches higher now?
- Can fit-out works be done during office hours in an occupied building?
- Who approves fire alarm isolation during renovation works?
- What is a hot work permit and when is it needed?
- What does ISO Class 5 or ISO Class 7 mean for a contractor working in a cleanroom?
- What is an infection control risk assessment for hospital works?
- Who must carry out electrical isolation and reconnection during a shutdown?
- How should works in a temple, church or mosque be scheduled?
- Do I need to tell tenants or residents before works start?
- What time can construction start in Singapore?
- Is construction work allowed on Sundays in Singapore?
- What are the construction noise limits near homes?
- What is the fine for breaching construction noise limits?
- What are the renovation hours for HDB flats?
- What are the renovation hours in a condominium?
- How is construction noise measured and monitored?
- Do the NEA construction noise limits apply to office fit-outs?