Visiting a flat for the first time can feel exciting but also overwhelming. For a first-time buyer in Hong Kong, the viewing is your only chance to see the actual condition of the unit before committing to an offer. Many problems are hidden from photographs and floor plans. This article provides a concrete checklist of what to inspect, what questions to ask the agent, and which documents to request during a viewing. It covers structural elements, layout issues, natural light, noise levels, and the key paperwork you should see before making a decision. For a broader overview of the entire buying journey, read our complete guide to buying property in Hong Kong.

Before You Enter: Exterior and Building Condition

The building itself tells you a lot about the quality of the flat you are about to see. Arrive 10 to 15 minutes early and walk around the block. Look at the external walls for cracks, water stains, or patches of paint that are darker than the surrounding area. Dark patches often indicate water seepage from rain or leaking pipes. In older buildings, especially those built before 1990 in areas like Wan Chai or Mong Kok, external wall defects are common.

Check the condition of the lift lobby, corridors, and stairwells. If the common areas are dirty, poorly lit, or have broken light fixtures, the building management may be negligent. This can affect your future living experience and the resale value. Ask the agent about the building's maintenance fund. In Hong Kong, many older buildings have a sinking fund (also called a reserve fund) for major repairs. If the fund is low, you may face a large special assessment soon after moving in. You can request to see the latest audited accounts of the owners' corporation (OC) if the building has one.

Check the age of the building. A building that is 40 years or older may require significant renovation work, such as rewiring or replacing water pipes. The comparison between new developments and second-hand flats is particularly relevant here: older units often have lower prices but higher maintenance costs.

Also note the proximity to MTR stations, bus stops, and minibus routes. A flat that is a 10-minute walk from the MTR may be priced 15% to 20% lower than one that is a 3-minute walk away, according to property agents in Hong Kong. If you rely on public transport, time the walk yourself.

Inside the Unit: Structural and Surface Checks

Walls and Ceilings

Once inside, start with the walls and ceilings. Look for cracks, bulges, or peeling paint. Horizontal cracks near the ceiling or floor may indicate structural movement. Vertical cracks are often less serious but should still be noted. Use your phone flashlight to inspect corners and areas behind furniture if the current owner allows it. Check for damp patches, especially on walls that face the outside or that are adjacent to a bathroom. Dampness can lead to mould, which is a health hazard and expensive to fix.

If the flat has a false ceiling, ask the agent if you can lift a panel to inspect the space above. Water stains on ceiling tiles are a red flag for leaks from the floor above. In Hong Kong, water seepage from upstairs neighbours is a common dispute. The sales brochure for older developments rarely mentions these issues, so you must check in person.

Floors

Walk across every part of the floor. Listen for squeaking or hollow sounds, which may indicate loose floorboards or damaged concrete underneath. Check for tiles that are cracked or uneven. In kitchens and bathrooms, tilt a marble or small ball to see if the floor slopes. A slope towards a drain is normal in a wet area, but a slope in the living room or bedroom suggests settlement or poor construction.

Windows and Doors

Open and close every window and door. Check that the locks work properly. Look for gaps between the window frame and the wall; gaps allow water and noise to enter. In Hong Kong, many older flats have aluminium windows that may have corroded over time. Replacement costs can range from HKD 3,000 to HKD 8,000 per window depending on size and type. Check for signs of water damage on the window sill and the wall below it.

For balcony doors, check the sliding mechanism. A door that sticks or is difficult to slide may have a bent track or a swollen frame due to water damage. If the flat has a window-type air conditioner, inspect the seal around the unit. A poor seal allows hot air and noise to enter and can cause water leakage during rain.

Plumbing and Water Pressure

Turn on every tap: kitchen sink, bathroom basin, shower, and any outdoor tap. Check the water pressure. Low pressure may indicate a blocked pipe or a problem with the building's water supply. Let the water run for at least 30 seconds to see if the pressure drops further. Flush the toilet and listen for unusual noises. A toilet that runs continuously after flushing wastes water and may need a new valve.

Check the water heater. In Hong Kong, most flats use either a gas instantaneous heater or an electric storage heater. Ask the agent the age of the heater. Gas heaters typically last 10 to 12 years; electric heaters last 8 to 10 years. Replacement costs for a gas heater range from HKD 2,500 to HKD 5,000 including installation. Look for rust or corrosion on the heater body. If the heater is located in a bathroom, check that there is proper ventilation, such as an exhaust fan or a window, to prevent carbon monoxide buildup.

Electrical System

Test every light switch and power socket. Bring a small USB charger or a phone charger to test sockets quickly. Check the fuse box (distribution board). A modern fuse box with circuit breakers is safer than an old one with rewirable fuses. If the flat has old wiring (e.g., aluminium wiring or cloth-covered wiring), you may need to rewire the entire unit for safety. Rewiring a 500-square-foot flat in Hong Kong typically costs HKD 20,000 to HKD 40,000 depending on the extent of work.

Count the number of power sockets in each room. In many older flats, there are only one or two sockets per room, which may be insufficient for modern living. Adding new sockets involves chasing walls and repainting, so factor that into your renovation budget.

Layout, Space, and Light

Actual Dimensions vs. Floor Plan

Bring a laser distance measurer (available at hardware stores like Japan Home Centre for about HKD 150) and measure the room dimensions yourself. Compare them with the dimensions on the floor plan. In Hong Kong, the difference between gross floor area and saleable area can be significant. The saleable area is what you actually own and use, while the gross area includes common areas like staircases and lift lobbies. Developers and sellers often advertise the gross area to make the flat seem larger. Measure the internal dimensions to calculate the actual usable floor area.

Check the width of doorways and corridors. If you have large furniture, such as a sofa or a bed, ensure it can fit through the doors and around corners. In some Hong Kong flats, the corridor leading to the bedrooms is only 70 cm wide, which is too narrow for a standard double bed (140 cm wide) to pass through sideways.

Natural Light and Ventilation

Visit the flat at different times of day if possible. A flat that looks bright at 11 am may be dark and gloomy at 3 pm if it faces north or is shaded by a neighbouring building. Stand in each room and note the direction of the windows. South-facing windows receive the most sunlight in Hong Kong, while north-facing windows receive little direct sunlight. East-facing windows get morning sun; west-facing windows get afternoon sun, which can make the room hot in summer.

Check for cross-ventilation. Open windows on opposite sides of the flat and feel the air movement. In Hong Kong's humid climate, good ventilation is essential for comfort and to prevent mould. If the flat only has windows on one side, it will be stuffy and may require an air purifier or dehumidifier. Running a dehumidifier 8 hours a day adds about HKD 300 to HKD 500 to your monthly electricity bill, depending on the model.

Noise Levels

Stand still for at least two minutes and listen. Note traffic noise, construction noise, noise from neighbours, and noise from the building's mechanical systems (e.g., lift motors, water pumps). If the flat is near a main road like Nathan Road or Gloucester Road, the noise may be loud even on higher floors. Double-glazed windows reduce noise by about 30 decibels but cost HKD 10,000 to HKD 20,000 per window. If the flat is near a school, a market, or a MTR line, noise may be present during specific hours. Visit the flat on a weekday evening and a weekend afternoon to get a full picture.

Kitchen and Bathroom: The High-Risk Areas

Kitchen

Kitchens and bathrooms are the most expensive rooms to renovate. Inspect the kitchen cabinets: open every door and drawer. Check for signs of water damage inside the cabinets under the sink. Look for rust on the hinges and slides. Check the condition of the countertop. Laminate countertops are cheaper (HKD 200 to HKD 400 per linear foot) but can warp if exposed to water. Quartz or granite countertops are more durable but cost HKD 800 to HKD 1,500 per linear foot.

Test the stove and oven if they are included. Ask the agent whether the appliances are included in the sale. In Hong Kong, many second-hand flats are sold with the built-in kitchen appliances, but this should be confirmed in writing. If the appliances are old (more than 10 years), factor in replacement costs: a new gas stove costs HKD 3,000 to HKD 8,000; a refrigerator costs HKD 4,000 to HKD 15,000.

Check the exhaust hood. Turn it on and see if it draws air effectively. A weak exhaust hood will not remove cooking odours and grease, leading to a greasy kitchen over time.

Bathroom

Check the bathroom for watertightness. Look for mould or mildew on the grout between tiles. Grout that is cracked or missing allows water to seep behind the tiles, causing damage to the wall structure. Re-grouting a bathroom costs HKD 3,000 to HKD 6,000 depending on the area. If the tiles themselves are loose or cracked, you may need to retile the entire bathroom, which can cost HKD 30,000 to HKD 60,000 for a standard 40-square-foot bathroom.

Check the toilet bowl for cracks. A cracked toilet may leak water and waste. Check the seal between the toilet and the floor. If the seal is broken, you may smell sewage. Check the shower head and taps for limescale buildup. Limescale indicates hard water, which is common in Hong Kong. A water softener costs HKD 5,000 to HKD 15,000 but is not essential.

Check the ventilation fan in the bathroom. Turn it on and hold a piece of toilet paper near the vent. If the paper is not sucked towards the vent, the fan is weak and may not remove humidity effectively. Poor ventilation leads to mould growth on walls and ceilings.

Documents to Request During the Viewing

A responsible agent will provide key documents before you make an offer. During the viewing, ask for the following items or confirm that they are available:

  • Land search (land registry record): This shows the registered owner, any mortgages, and any legal encumbrances (e.g., a court order or a lien). You can request a copy from the Land Registry for HKD 10 to HKD 30 per search. Your solicitor will do a full search later, but a quick check can reveal obvious issues.
  • Floor plan with dimensions: The agent should provide a floor plan that shows the layout and dimensions of the flat. Compare it with your own measurements.
  • Latest management fee statement: This shows the monthly management fee and any arrears. Management fees in Hong Kong range from HKD 2 to HKD 6 per square foot of saleable area per month, depending on the building's facilities and age.
  • Government rate and Government rent demand notes: These show the rates (a tax on property) and government rent (for leasehold land). Rates are typically 5% of the rateable value per year. Government rent is 3% of the rateable value per year.
  • Budget and accounts of the owners' corporation (if available): For older buildings, this shows the financial health of the building and any planned major repairs.

If the agent hesitates to provide these documents, consider it a warning sign. A legitimate seller should have nothing to hide. For more detail on the paperwork involved, see our article on the step-by-step buying process.

Red Flags: When to Walk Away

Some problems are too expensive or too risky to accept. If you see any of the following during a viewing, consider walking away or reducing your offer significantly:

  • Large cracks in structural walls: Cracks wider than 2 mm or cracks that extend diagonally across a wall may indicate foundation settlement or structural damage. A structural engineer's inspection costs HKD 5,000 to HKD 10,000, and repairs can cost tens of thousands.
  • Persistent damp smell or visible mould: If the flat smells musty or damp even with windows open, there is likely a hidden water leak or chronic moisture problem. Remediation can be expensive.
  • Unauthorised alterations: Many Hong Kong flats have been renovated without proper approval from the Building Authority. For example, knocking down a load-bearing wall or adding a mezzanine floor without a permit is illegal. The Building Authority can order the owner to restore the original structure at the owner's expense. Ask the agent if any alterations have been approved. You can check the building's approved plans at the Building Authority's office for a fee of HKD 50 to HKD 100.
  • Many units for sale in the same building: If several flats in the same building are on the market, there may be a problem with the building (e.g., a disputed land lease, poor management, or structural issues). Ask neighbours or the building management for information.
  • Agent refuses to let you take photos or measurements: Some sellers restrict photography for privacy reasons, but a total ban on taking measurements is suspicious. You need measurements to verify the floor area and plan your renovation.

Practical Tips for the Viewing Day

Here is a checklist of items to bring with you to every viewing:

  • Laser distance measurer or tape measure (at least 5 metres long)
  • Phone charger or USB plug to test sockets
  • Small torch (flashlight) to inspect dark corners and behind furniture
  • Notepad and pen to write down observations
  • Camera or phone camera to take photos and videos (ask permission first)
  • List of questions prepared in advance
  • Comfortable shoes and clothes suitable for climbing stairs if the lift is small or out of service

Plan to visit at least three to five flats before making any offer. Each viewing will sharpen your eye for detail and help you compare properties more objectively. If you are considering a new development, the viewing process is different because the unit is not yet completed. In that case, focus on the show flat, the floor plan, and the price list provided by the developer. You cannot inspect the actual unit, so you must rely on the understanding of floor plans and the developer's specifications.

Finally, remember that a viewing is not just about the flat itself. It is also about assessing the neighbourhood, the building management, and the agent's professionalism. A good agent will answer your questions honestly and provide the documents you need. If you feel rushed or pressured, trust your instinct and move on to the next property. Buying a home is a major financial decision, and you deserve to feel confident in your choice.

For more details on the financial aspects, see our articles on management fees and other recurring costs and transaction costs overview. If you are a foreign buyer, also read tax considerations for foreign buyers.

Related articles

  • The Complete Guide to Buying Property in Hong Kong
  • Reading a Sales Brochure
  • Gross vs. Saleable Area
  • Understanding Floor Plans
  • Step-by-Step Buying Process
  • Stamp Duty Categories Explained