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Harbour Roof Works

Leak detection in Tsuen Wan starts from about HK$8,000, and waterproofing for a roof of this size is HK$5,000 to HK$20,000. What is the roof area and when did the leak start?

Kowloon Metal Roofing Co

Our metal roof sheets and skylight work for Kowloon sites are quoted per job, with injection repairs from HK$2,500. Do you need one roof repaired or a whole roof replaced?

Sha Tin Waterproofing Team

We visit sites in Sha Tin and Tsuen Wan to check the roof and give a fixed price per job. Which roofing material do you have now, and will the work need scaffold access?

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Roofer in Hong Kong: prices, rules and what to ask

Roof work in Hong Kong is usually quoted per job, not per hour. Approximately, according to sellers' websites in November 2026, roof waterproofing costs from about HK$5,000 to HK$20,000 or more, injection repairs start from HK$2,500 and leak detection from HK$8,000. For current quotes for your roof, send a request on BlaBlaPrice: the AI looks through local sellers and price lists, and sellers reply in the chat.

Approximate prices in Hong Kong, November 2026 (sellers' websites)
WorkScopePrice
Injection repair of a leakSealing a crack or leakfrom HK$2,500
Leak detectionFinding the source of the leakfrom HK$8,000
Roof waterproofingDepends on roof size and materialsHK$5,000–HK$20,000 or more

Local rules and what to confirm

The rules found for this category do not name a licence for roofers on its own, so check each point with the seller. A guide to starting a construction company in Hong Kong lists a HK$100m cover among three requirements, so ask which insurance a roofing firm carries. Ask who the contract is with, and check that the company name on the quote matches the one you are paying.

Season and roof work

Hong Kong's summer runs from June to August and winter from December to February. Book waterproofing before the winter months so leaks are sealed before the colder weather. Long roof jobs are harder in the summer heat, so plan them for the cooler months where you can.

How work is measured and what to write

Public works schedules of rates in Hong Kong measure work net as completed, so ask whether a price covers a fixed scope or a measured area in square metres. Name the roofing material you have, such as metal sheets, stainless steel or a membrane, and say whether there are skylights or drainage. Give the property type, the site address and the district: Central, Kowloon, Sha Tin, Tsuen Wan or Tuen Mun. For a job with pay, state the pay you offer and whether the work needs accommodation and experience.

Describe the job in your own words in the request chat on BlaBlaPrice, with photos of the roof if you have them. The AI asks for missing details and looks through sellers' websites in Hong Kong, then sellers registered on the site reply with their own offer, price and terms. Your contact details stay hidden until you choose to share them. Related trades: construction and finishing works, bricklayer and plumber.

Questions and answers

How much does roof waterproofing cost in Hong Kong?

Sellers' websites in November 2026 show roof waterproofing from about HK$5,000 to HK$20,000 or more, depending on roof size and materials. Injection repairs start from HK$2,500.

How much does a leak check cost?

Leak detection is listed from about HK$8,000, so ask whether that fee is included in the repair price.

Is it better to book roof work in winter or summer?

Book waterproofing before the winter months from December to February. Long roof jobs are harder in the summer heat from June to August.

Do I need a licence to hire a roofer?

The rules found do not name a licence for roofers, so ask each seller which registration and insurance they hold.

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    Give the main things: the model or what exactly needs doing, condition (new / used), quantity, area and timing. The “Add details” buttons will suggest what to write.
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