Watch Out for These Top 10 Property Defects


January 6, 2022
 / 
David Toogood
 / 
Derelict house with boarded windows and a damaged roof
It’s easy to assume that a property is in perfect condition on first glance, but many homes in London are hiding defects worth thousands in repairs. Some issues are minor nuisances that could help you reduce the property’s asking price, but others may dissuade you from risking your investment and family’s future.
A full building survey report includes urgent defects, areas for improvement and an overall estimate for the repairs, and hiring a chartered surveyor is often much more affordable than having to fix defects later down the line. Here are ten of the most common problems affecting London properties that you might want to know about before making an offer.
You don’t have to risk purchasing a potentially hazardous home that could cost thousands to remedy because our affordable building surveyors can perform a comprehensive inspection and have a report in your inbox the following day.

  1. Dampness
    Dampness may arise due to a number of issues such as defective weatherproofing, failed damp-proof courses, defective rainwater goods, and while it can wreak havoc on a property, it can also lead to mould growth, a fungus that adversely affects our skin, nervous system and lungs. Fortunately, a thorough damp test is included in a building survey.
  1. Timber defects- Dry/wet Rot, woodworm
    Excessive moisture can spur the growth of destructive fungi, which in addition to infestations like woodworm, can lead to timber rot if left untreated. Just some of the many issues that can lead to excessive moisture include damaged guttering, poor roof ventilation and plumbing leaks.
  1. Faulty Roofs
    Common problems include leaking and defective roof coverings that can cost thousands to repair, which is a small fraction of what a building survey costs.
  1. Asbestos
    Even though the use of asbestos in properties was completely banned in 1999, there are still thousands of properties at risk in London. Chartered surveyors will check your new property’s roof, cupboard lining, vinyl floors and ceiling to make sure you’re not unknowingly exposed to this dangerous carcinogen when you move in.
  1. Windows
    Windows can cost hundreds or even thousands to repair/replace, but some issues are harder to spot than others. A building survey uncovers potentially costly problems such as timber rot and condensation in double glazing.
  1. Structural Movement
    Many London homes are at risk of structural movement due to being constructed on shrinkable clay, which is why building surveyors look for signs of past movement and offer expert advice.
  1. Gas and Electrical Services
    Leaking gas services and faulty wiring are just two examples of common problems that pose safety issues and can be costly to fix. While RICS surveyors can only perform a visual inspection of your gas and electrical utilities, we can arrange for licensed contractors to carry out a thorough test.
  1. Fire Safety Systems
    As the recent Grenfell Tower disaster tragically proved, neglected fire safety is a real threat facing many London properties. A building surveyor will inspect your building’s fire doors, smoke alarms, escape routes and more to ensure it meets current safety regulations.
  1. Flooding
    Many homes in London, particularly near the River Thames, are at risk of flooding. Extending a basement also carries the risk of flooding from drains and surface water. A building survey report includes a flood risk map so that you can gauge the potential danger.
  1. Drains
    This is an element of a property that’s hard to inspect without a trained eye. The best way to tell if potentially costly drain problems exist is to hire a professional to perform a CCTV survey.

How You Can Avoid Paying Too Much for a Defect-Riddled Home

Call us on 020 7736 2383 to speak directly with a RICS Chartered Surveyor or get your free quote within seconds using our straightforward tool.


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Harding Chartered Surveyors4.6
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I contacted Handing Chartered Surveyors to undertake a Level 2 RICS survey for a help to buy redemption in Southall, following issues with the paperwork produced by a large online competitor, resulting in the original valuation document being rejected. On contacting Harding I set out my needs along with the issues faced previously, and Harding were very quick to respond, as well as to confirm they were happy to be flexible if there were issues with the process after the valuation report was produced. Jessica from the team visited and undertook the survey following a discussion about my specific situation and needs, as well as discussing the process and next steps. She was kind, courteous and communicative throughout, calling to discuss the valuation prior to it being finalised and issued. Help to Buy subsequently accepted the valuation with no issues at all, a success! While it is sometimes cheaper and quicker to go with a large provider, it is also very difficult to discuss case specifics, and to address any challenges. I am personally very grateful for the service I received, a strong reminder to go local to get what you need, and I will very happily employ Harding again for any future survey needs.
Harding Surveyors are very prompt, professional and helpful. Their reports are detailed and very clear. They have saved me from major property headaches that I couldn’t see myself.
Excellent ! Very professional. The report was produced quickly. Charlie, the surveyor, was excellent. I have no hesitation in recommending Harding.
David Toogood FRICS is a highly experienced Chartered Surveyor, having qualified with the RICS in 1977. He has extensive expertise in inspecting both residential and commercial buildings, with specialist knowledge in Building Surveys, Dilapidations, Schedules of Condition, and Expert Witness reports.
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