10 Best Roof Contractors in Singapore (2026), Ranked by Reviews

Singapore's tropical climate, with year-round humidity and two monsoon seasons delivering heavy rainfall from November through March, puts roofing systems under relentless stress. Roof leaks are among the most common maintenance issues for HDB flats, landed homes, and commercial buildings across the island. We evaluated 50 roof contractors in Singapore, assessing Google Maps ratings, review count, pricing transparency, service scope, and response to direct enquiry. This list covers the best roof contractors in Singapore for 2026, ranked by overall quality, reliability, and customer satisfaction across HDB, landed, and commercial property types.

Key Takeaways

• Best overall: J&K Roof Contractors, the most reviewed dedicated roofing firm in Singapore with 399 Google reviews at 4.9 stars
• Best for leak repair: The Roofing Man, using moisture-mapping diagnostics and holding MCST-approved contractor status for strata properties
• Best for canopy roofing: SinHao E&C Pte Ltd, covering canopy installation, steel structures, and BCA-compliant A&A works across Singapore
• Most reviewed overall: SWC Construction with 496 Google reviews at 4.9 stars, the highest total review count in this list
• Expect to pay SGD 200–800 for a standard residential roof repair in Singapore, and SGD 5,000–20,000 for a full roof replacement depending on property size and materials
• Red flag to avoid: contractors who demand full payment upfront or refuse to provide an itemised written quote before starting work

How We Ranked These Roof Contractors

We ranked each contractor using: Google Maps rating (minimum 4.0 to qualify), review count (minimum 15), website quality and pricing transparency, service range covering repair, waterproofing, and full replacement, and response time to a direct test enquiry. Contractors with no verifiable Singapore address, no website, or suspicious review patterns were excluded regardless of rating. BestThingReview.com evaluated 50 businesses before selecting the final 10.

Our Top Picks

1. J&K Roof Contractors, Best Overall

J&K Roof Contractors operates from their Ang Mo Kio TechLink base and has built Singapore's most reviewed dedicated roofing profile, with 399 verified Google reviews at 4.9 stars. The team covers residential HDB and landed property roofing, commercial flat roofs, and MCST-approved estate maintenance contracts across all Singapore districts. Services span roof repair, full replacement, waterproofing, and preventive inspections. They work with a range of materials including polycarbonate, metal decking, and asphalt shingles, matching solutions to building type and budget. J&K's MCST-approved status makes them a preferred choice for property management firms and estate managers requiring contractors with documented track records. Emergency leak response is available for urgent repairs, and their responsiveness is consistently highlighted in recent reviews as a key differentiator.

📍 Address: 5 Ang Mo Kio Industrial Park 2A, #04-15 Ang Mo Kio TechLink, Singapore 567760
📞 Phone: +65 9880 5116
🌐 Website: www.jkroof.com.sg

2. The Roofing Specialist Pte Ltd, Best for Residential Roofing

The Roofing Specialist Pte Ltd has earned its 4.9-star Google rating across 210 reviews by focusing almost entirely on residential roofing for Singapore's landed property market. Their team handles HDB common corridor roofs, terrace houses, semi-detached, and detached landed homes across the island. The company is known for thorough pre-work inspections, where they document existing damage and provide itemised quotations before any work begins. They work with metal, polycarbonate, and waterproof membrane systems, and their team advises on the most durable solution for each property type. Projects consistently receive reviews praising work cleanliness and strict adherence to quoted timelines. For homeowners seeking a residential roofing specialist with a documented track record and a transparent process, The Roofing Specialist Pte Ltd is the strongest choice in this category.

📍 Address: 41 Huddington Ave, Singapore 557611
📞 Phone: +65 9002 4020
🌐 Website: www.theroofspecialist.com.sg

3. The Roofing Man, Best for Roof Leak Repair

The Roofing Man operates from their Balestier base and specialises in roof leak detection and targeted repair, with a specific focus on MCST-approved maintenance contracts for strata-titled properties. With a perfect 5.0 Google rating, the business has built a reputation for accurate leak source identification, an area where many contractors fail on first attempt and return multiple times. Their diagnostic approach uses moisture mapping to pinpoint entry points before any repair work begins, avoiding the trial-and-error that drives up costs on older roofs. Services cover roof waterproofing, parapet wall repair, skylight sealing, and full flat roof replacement. The business holds MCST contractor status, enabling them to work on HDB estates and private strata developments directly without requiring additional management approval.

📍 Address: 400 Balestier Rd, #01-45 Balestier Plaza, Singapore 329802
📞 Phone: +65 8307 2334
🌐 Website: theroofingman.sg

4. SinHao E&C Pte Ltd, Best for Canopy & Steel Roofing

SinHao E&C Pte Ltd covers a broader scope than most roofing contractors on this list, combining canopy roof installation, steel structure construction, A&A works, and reinforced concrete repair under one firm. Operating from their WCEGA Plaza office in Bukit Batok, they hold a 5.0-star Google rating across 30 reviews and are registered as an MCST-approved contractor for building and construction works. Their portfolio includes residential canopy extensions and light commercial steel-frame roofing for factories and warehouses. The firm is particularly well regarded for projects requiring BCA-compliant documentation and PE endorsement, where their construction background gives them a clear advantage over pure roofing specialists. Lead times for canopy and structural work are typically 2–3 weeks from site inspection to project completion.

📍 Address: 1 Bukit Batok Cres, #04-51 WCEGA Plaza, Singapore 658064
📞 Phone: +65 8176 0788
🌐 Website: sinhaocontractor.sg

5. SWC Construction, Best for Commercial Projects

SWC Construction Waterproofing Singapore is the most reviewed contractor in our list, accumulating 496 Google reviews at 4.9 stars. Based in Woodlands, the firm specialises in waterproofing, wall leak repair, and roof leak rectification for both residential and commercial properties. Their review volume indicates a high turnover of completed projects and consistent customer satisfaction across a wide range of property types including HDB flats, condominiums, landed homes, and commercial shophouses. Response times mentioned in reviews are typically within 24 hours for site assessments. The company handles both diagnosis-only engagements and full repair projects, with transparent pricing quoted before work begins. For commercial building owners and property managers needing a contractor with deep experience across varied property types, SWC Construction is the most proven option at scale.

📍 Address: 19 Woodlands Industrial Park E1, #01-06, Singapore 757719
📞 Phone: +65 8754 4058
🌐 Website: swcconstruction.com.sg

6. Asiatech Roofing, Best for Roof Restoration

Asiatech Roofing and Waterproofing Pte Ltd is a dedicated roofing specialist based in Ang Mo Kio Tech II, holding a 4.9-star Google rating across 98 reviews. The company focuses on roof restoration, encompassing cleaning, waterproofing membrane application, and structural repair for HDB and landed property roofs. Asiatech's niche is restoration rather than full replacement, making them a cost-effective option when the existing roof structure is sound but the waterproofing layer has failed. Their team uses liquid-applied waterproofing membranes and cement-based systems depending on substrate condition. The business serves clients across Singapore and is frequently cited in reviews for thorough inspection work and willingness to explain repair options rather than recommending the most expensive solution. For property owners seeking to extend roof life without full replacement costs, Asiatech is the strongest choice.

📍 Address: 5 Ang Mo Kio Industrial Park 2A, #07-24 AMK TECH II, Singapore 567760
📞 Phone: +65 9892 7202
🌐 Website: www.asiatechroof.sg

7. Proof-Tech Waterproofing, Best for Waterproofing

Proof-Tech Waterproofing & Maintenance Pte Ltd brings 259 Google reviews at 4.8 stars and a focus squarely on waterproofing systems for roofs, toilets, and building facades. Based in Yishun, the firm has operated in Singapore for over a decade and handles everything from HDB bathroom waterproofing to commercial flat roof membrane systems. Their catalogue includes cementitious coatings, bituminous membranes, and polyurethane liquid systems, with different solutions specified depending on the type and extent of water ingress. Proof-Tech is one of the few waterproofing contractors on this list with a published case study portfolio on their website, allowing prospective clients to assess project type and scale before making an enquiry. Pricing is provided via site inspection rather than phone estimate, ensuring quotes are accurate to the specific job.

📍 Address: 6 Yishun Industrial Street 1, #04-17, North View BizHub, Singapore 768090
📞 Phone: +65 6758 7448
🌐 Website: www.prooftech.com.sg

8. WaterproofSG, Best for Leak Detection

WaterproofSG Pte Ltd holds a perfect 5.0 Google rating across 198 reviews from their Kovan base, one of the strongest combinations of rating and volume in this category. The firm specialises in leak detection and waterproofing for roofs, walls, and bathrooms, with a strong residential focus. Their diagnostic process involves thermal imaging and moisture mapping to locate the exact source of water ingress before recommending a repair path, a step most contractors skip entirely. Reviews consistently highlight the speed of assessments, typically within 2–3 business days of enquiry, and the accuracy of their diagnoses. Services cover simple roof sealant patches through to full polyurethane membrane applications on flat commercial roofs. WaterproofSG's precision-first approach makes them particularly strong for complex or recurring leaks where previous contractors have repeatedly failed to identify the true source.

📍 Address: 59 Kovan Rd, #03-02, Singapore 548148
📞 Phone: +65 8316 5312
🌐 Website: waterproofsg.com

9. High Tech Roofing, Best Budget Option

HIGH TECH ROOFING & WATERPROOFING SPECIALIST SINGAPORE operates from their Aljunied base with a 4.9-star rating across 51 Google reviews, positioning themselves as a practical mid-market option covering both roofing and waterproofing across HDB and landed properties. Pricing is on the accessible end of the market, making them a sensible choice for owners seeking reliable repair work without the premium charged by larger, more established firms. Services include roof tile replacement, flat roof waterproofing, and polycarbonate canopy installation. They also stock and supply a range of roofing materials directly, which reduces lead times compared to contractors who source materials per project. Response to enquiries is typically within 24 hours based on recent reviews. For straightforward repair jobs where budget is the primary constraint, High Tech Roofing delivers consistent quality at competitive rates.

📍 Address: Aljunied Rd, #01-04 BizTech Centre, Singapore 389842
📞 Phone: +65 8292 6757
🌐 Website: www.hightechroofing.com.sg

10. Roof Guru, Best for Emergency Repairs

Roof Guru Pte Ltd holds a perfect 5.0 Google rating across 64 reviews from their Mandai base, with a reputation built around emergency and rapid-response roof repair. The firm covers roof leak repair, waterproofing, and maintenance for HDB, landed, and commercial properties, with a focus on fast diagnosis and same-day or next-day repair for urgent situations. Reviews highlight the team's ability to arrive on short notice, accurately locate the problem, and complete the fix without unnecessary upselling. Pricing is quoted transparently after a site assessment rather than by phone estimate. Roof Guru's emergency-ready positioning makes them particularly useful during Singapore's monsoon season when sudden leaks require immediate attention rather than waiting for a scheduled appointment slot.

📍 Address: 7 Mandai Link, #03-24 (S Mandai Connection, Singapore 728653
📞 Phone: +65 8282 8292
🌐 Website: roofguru.sg

How They Compare

What to Look for When Hiring a Roof Contractor in Singapore

BCA registration and MCST approval. Roof contractors in Singapore should hold a valid BCA contractor registration for their scope of work. For structural works, canopy additions, or A&A (Addition and Alteration) projects, a Professional Engineer (PE) endorsement is legally required. MCST-approved status is essential if you are managing an HDB estate or strata-titled property. Always verify BCA registration before signing a contract.

Google review count and recency. A 4.5+ rating with at least 20 reviews is the minimum baseline for a legitimate contractor. More important than the average rating is recency. A contractor with 150 reviews but nothing posted in the last 3 months may have changed hands or reduced operations. Prioritise contractors with a consistent stream of recent reviews from the past 3 months.

Itemised written quotes. Reputable contractors provide written quotations that separate labour, materials, and disposal costs. Vague lump-sum quotes are a yellow flag. The difference between a targeted repair and a full roof replacement in Singapore can be SGD 5,000 to 20,000, so quote clarity is essential before any work begins. Get at least two itemised written quotes before committing to any contractor.

Workmanship warranty. Established contractors offer a 12-month to 5-year workmanship warranty on new installations, separate from material warranties. Ask specifically: what is covered, what voids the warranty, and how is a claim initiated? Get this in writing before signing any contract. A contractor who cannot provide a written workmanship warranty for a full roof replacement is not worth the risk.

Response time to initial enquiry. During Singapore's northeast monsoon, demand for roofing contractors spikes significantly. A contractor who takes more than 48 hours to respond to an initial enquiry will take the same or longer to respond during a live leak. Test response speed before committing. Fast initial contact strongly correlates with reliable emergency availability.

Frequently Asked Questions

How much does roof repair cost in Singapore?

Minor roof leak repairs typically cost SGD 200–500. Waterproofing membrane application for a flat roof runs SGD 1,500–4,000 depending on area. Full roof replacements for a standard terrace house cost SGD 8,000–20,000 depending on material and roof size. Always get at least two itemised written quotes before committing to any contract.

How do I find a reliable roof contractor in Singapore?

Search Google Maps for "roof contractors Singapore" and filter by 4.5+ stars with a minimum of 20 reviews. Check their BCA registration status, ask for references from similar property types, and send a test enquiry to measure response time. Contractors who provide itemised written quotes, respond within 24 hours, and hold BCA registration are consistently the strongest choices.

What should I ask before hiring a roof contractor?

Ask: Are you BCA-registered and what is your registration grade? Can you provide an itemised written quote? What workmanship warranty do you offer? Do you handle permit applications for A&A works? Are you MCST-approved? What is the payment schedule, and when is final payment due? How soon can you start?

How often should a roof be inspected in Singapore?

At minimum once a year, ideally before the northeast monsoon (November–January) when sustained heavy rainfall most commonly exposes weak points. Properties over 15 years old benefit from twice-yearly inspections. For HDB flats, roof maintenance of common areas is managed by the Town Council, but owners of landed property are personally responsible for their entire roof structure.

What are common causes of roof leaks in Singapore?

The most common causes are: failed waterproofing membrane on flat roofs, cracked or displaced roof tiles on pitched roofs, blocked drains and gutters causing standing water, deteriorated parapet wall flashing, and cracks at the junction between roof surface and structural walls. In Singapore's climate, thermal expansion and contraction from daily temperature swings accelerate deterioration across all of these areas.

Do roof contractors in Singapore need to be licensed?

Standard maintenance and repair work requires a valid BizSafe certification and BCA contractor registration. For structural works, additions, or alterations requiring planning permission, a Qualified Person (QP) and often a Professional Engineer (PE) endorsement are required. Verify the contractor's BCA registration status directly on the BCA website before signing any contract for significant structural work.

What is the difference between roof repair and roof waterproofing?

Roof repair addresses structural failures: cracked tiles, damaged flashing, broken gutters, or sagging sections. Roof waterproofing applies a protective membrane or coating to prevent water ingress regardless of whether visible structural damage is present. Most leaks in Singapore require both: structural repair to fix the cause, then waterproofing to seal the surface. Applying waterproofing over unrepaired structural damage will result in the problem recurring within one to two monsoon seasons.

Can I get same-day emergency roof repair in Singapore?

Yes. Contractors including The Roofing Man, Roof Guru, and SWC Construction offer emergency or same-day response for urgent situations. Response depends on current workload and weather conditions, but most established contractors can deploy a team within 24 hours for confirmed leaks. During the peak November–January monsoon period, expect 24–48 hours even for priority calls due to high seasonal demand.

How long does a roof replacement take in Singapore?

A standard terrace house roof replacement of 150–200 sqm typically takes 3–7 working days from materials delivery to completion. Flat roof membrane replacement for a condominium penthouse unit may take 2–4 days. Timeline depends on material type, site accessibility, current weather, and contractor availability. Rain delays are common and contractually unavoidable, so factor this into scheduling around key dates.

What are red flags when hiring a roof contractor?

No BCA registration or BizSafe certification. No physical Singapore address listed on their website or Google Maps profile. Lump-sum quotes with no breakdown of materials and labour. Demand for full payment before work starts. Refusal to provide a written workmanship warranty. Reviews that repeat the same generic phrases without specific project detail. Prices significantly below market average for the scope of work described.

Verdict

J&K Roof Contractors is the best roof contractor in Singapore for most property types, their 4.9-star rating across 399 reviews, MCST-approved status, and full-service capability across repair, replacement, and waterproofing puts them ahead of every other firm on this list. For targeted leak detection and accurate diagnosis, The Roofing Man is the stronger choice with their moisture-mapping approach and perfect 5.0 rating. If you need canopy extensions or steel structure roofing with BCA documentation and PE endorsement, SinHao E&C Pte Ltd is the appropriate specialist for that scope. BestThingReview.com recommends requesting at minimum two itemised written quotes before committing to any roofing contract in Singapore. Start with your top two candidates, compare response time and quote detail, and let that process guide your final decision.