When buying a property, one of the most important steps you can take is to get a professional survey. A survey provides valuable insights into the property’s condition, helping you identify potential issues before making a final decision. Even if you’re not planning to buy, regular property surveys are beneficial for homeowners to keep their property in top shape and avoid unexpected repair costs.
In this post, we’ll cover the top 5 most common issues found during property surveys and provide advice on how to address each one. Understanding these issues can help you make informed decisions and potentially save thousands in future repairs.
1. Damp and Mould
Problem: Damp and mould are among the most frequently identified issues in property surveys. Damp can arise from several sources, including condensation, rising damp (moisture from the ground), or penetrating damp (water entering from outside). Left untreated, damp can lead to structural problems, damage interior finishes, and create health risks.
Signs of Damp:
- Dark patches or discolouration on walls and ceilings
- Peeling wallpaper or bubbling paint
- Musty odours in rooms
- Visible mould growth, especially in corners or around windows
How to Address It:
- Improve Ventilation: Start by improving airflow in damp-prone areas, such as bathrooms, kitchens, and basements. Use extractor fans and keep windows open when possible.
- Install a Damp-Proof Course (DPC): Rising damp can be prevented by installing a DPC in the walls. This is often required in older homes where the original DPC has failed.
- Repair External Damage: Check exterior walls, roofs, and gutters for cracks or leaks that allow water to penetrate. Repairing these can prevent further moisture from entering the property.
- Use Dehumidifiers: If condensation is the primary cause of damp, using dehumidifiers can help manage moisture levels in the home.
2. Structural Movement (Subsidence and Settlement)
Problem: Structural movement, including subsidence and settlement, can cause serious issues if left unaddressed. Subsidence occurs when the ground beneath a building shifts or sinks, while settlement is the gradual sinking of the building as it adjusts to its own weight. Both can lead to cracks in walls, uneven floors, and in severe cases, compromise the building’s structural integrity.
Signs of Structural Movement:
- Diagonal cracks, especially around doors and windows
- Gaps between walls and ceilings
- Doors or windows that stick or don’t close properly
- Sloping or uneven floors
How to Address It:
- Monitor Cracks: If cracks appear, it’s essential to monitor them for any changes. Mark the crack’s edges and check if it expands over time. Minor settlement cracks can often be repaired without major work.
- Consult a Structural Engineer: If subsidence is suspected, consult a structural engineer to assess the severity. They may recommend underpinning (reinforcing the foundation) or other methods to stabilise the structure.
- Maintain Trees and Shrubs: Large trees planted close to the property can absorb moisture from the soil, leading to shrinkage. Keep trees well-maintained and, if necessary, consult an arborist to manage their growth.
3. Roofing Issues
Problem: Roofing issues are common and can range from minor repairs to significant replacements. Missing or damaged tiles, sagging structures, blocked gutters, and failing flashing can lead to water leaks, which can then cause damp, rot, and structural damage if not addressed promptly.
Signs of Roofing Issues:
- Missing, cracked, or loose roof tiles
- Water stains on ceilings or walls
- Visible sagging or uneven roofline
- Blocked gutters with debris or standing water
How to Address It:
- Regular Roof Inspections: Inspect your roof regularly, especially after severe weather. Look for damaged tiles, worn-out flashing, and blocked gutters.
- Replace Damaged Tiles: Replacing broken or missing tiles can prevent water from seeping in. Make sure to hire a professional for roof repairs to ensure quality work.
- Clear Gutters: Keeping gutters clear of debris will prevent water from overflowing and potentially causing damp issues. Install gutter guards if leaves and debris are a recurring problem.
4. Electrical System Faults
Problem: Many properties, especially older ones, may have outdated or faulty electrical systems. Worn-out wiring, insufficient electrical outlets, and poorly installed fixtures can pose significant safety hazards, including the risk of fire. An electrical inspection is especially important for properties that haven’t been updated in decades.
Signs of Electrical Issues:
- Frequent tripping of circuit breakers
- Flickering lights or sparking outlets
- Burning smell or scorch marks around sockets
- Limited outlets or reliance on extension cords
How to Address It:
- Electrical Inspection: Have a qualified electrician perform a full inspection of the property’s electrical system. They can identify outdated wiring and faulty installations.
- Upgrade to Modern Standards: Rewiring may be necessary for older homes that don’t meet modern safety standards. Adding outlets or upgrading the circuit breaker can enhance safety and convenience.
- Install Smoke Alarms: Ensure smoke alarms are installed in key areas of the home to provide an early warning of electrical faults or fire hazards.
5. Plumbing and Drainage Issues
Problem: Plumbing and drainage issues, such as leaking pipes, low water pressure, or blocked drains, are common in properties of all ages. Left unaddressed, these issues can lead to water damage, mould growth, and structural problems.
Signs of Plumbing Problems:
- Low water pressure or inconsistent water flow
- Slow-draining sinks or gurgling sounds from pipes
- Damp patches or mould near water pipes
- Dripping taps or leaks
How to Address It:
- Regular Maintenance: Check all taps, pipes, and drainage systems for leaks or blockages. Regularly clean sink traps and guttering to prevent build-up.
- Fix Leaks Promptly: Even minor leaks can lead to significant damage over time. Fix dripping taps, leaking pipes, and damaged seals as soon as possible.
- Check Water Pressure: If water pressure is low, consult a plumber to investigate the cause. It may be due to a blockage, a faulty valve, or low water supply pressure.
Conclusion
A professional property survey can help you identify these common issues before they become major problems. Knowing what to look for can give you confidence when purchasing a property or maintaining your current home. Each issue highlighted in this post has the potential to impact a property’s condition, value, and safety, so addressing them promptly is essential.
At WR Surveying, we offer RICS Level 2 and Level 3 Surveys that provide comprehensive inspections for both homebuyers and homeowners. Our team of experienced, RICS-accredited surveyors can help you identify these issues and offer guidance on how to address them.
Contact WR Surveying today to schedule your survey and ensure your property is in top condition.


