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Construction Defects

Do you wish to learn about some building defects and how to fix them? Many prevalent types of defects are discovered on buildings due to ageing and natural deterioration of the building fabric. Some faults may compromise the structural integrity of buildings; however, the majority are isolated and non-structural.

In this post, we'll go over some of the most common building defects and how a building inspector should inspect buildings and pests and conduct property inspections and pest inspections.

What Is A Building Defect?

A flaw in the outline or materials on a site is referred to as a building or development flaw. Incorporating defects are divided into two categories: surrenders that affect the structure's execution and deformities that affect the structure's presence. A building defect is described in unusual words from a legal standpoint.

What Are The Causes Of Building Defects?

Building surrenders occur due to inadequate or incorrect planning, detail, and development, as well as a lack of attention for building support. It is true that no building, not even another one, is without flaws; nonetheless, strict supervision of quality operations will reduce the number of defects, and thorough inspection will reveal any undeniable flaws.

A deformity is an obvious sign of an unfavourable state that is affecting serviceability, fundamental condition, or appearance. Damaged building development raises the final cost of the item and increases the cost of support, which can be substantial.

Deficient construction includes activities such as compaction that is not done to detail, resulting in ground subsidence and, eventually, early crumbling of each building section. This can lead to a structure's finish being a disappointment and a high cost of support in the long run.

Avoid Building Defects

Inspection of real building construction in the field to determine conformity is known as a property inspection. A pest inspection looks for bugs and other creatures that could damage your property's structure, provide a health risk, or both. Termites, which obtain their nourishment from the wood in your house, are a primary structural concern, but other bugs and rodents can also be a problem.

Before acquiring any home, it is necessary to have a building and pest inspection performed. It assists with identifying current and potential issues in the home or structure and provides expert advice on the property's general state.

Timber Pests Inspection

A property and pest inspection will cover the timber pest. Timber pests (such as Wood Boring Beetles and Termites or Fungal Decay) can damage timber in use as structural components of a building.

Handover Inspection

Before you sign the final papers with your contractor, a handover inspection is performed. It is critical to have an inspection performed before you assume ownership. If you wait until after releasing the contractor, you risk incurring post-construction expenditures to correct defects.

How To Choose The Right Building Inspector?

The majority of building inspectors work for an inspection firm or agency. You should be able to find credentials and proof of their expertise on their websites with ease. When it comes to finding the top building inspectors, keep the following in mind:

  • Choose companies that have property inspection practitioner licences.
  • Choose an inspector who has a great deal of experience in the sector.
  • Request a sample form from the property inspection company.
  • Make an appointment with the inspector to go over all of the essential data concerning the property or building you wish to buy.

Buying a house or a building is a big decision with a significant financial investment. Before buying, make sure you have the appropriate guidance from knowledgeable professionals.

Categories Of Building Defects

Structural Defects

Any distortion in an auxiliary component of a building caused by a defective plan, inadequate or faulty workmanship, deficient material, or a combination of these is referred to as an essential imperfection. Earth-holding dividers, sections, bars, and level sections are all part of the building structure.

Non-Structural Defects

A non-basic deformity in a private building is a flaw in a non-basic component of the working due to blemished private construction work. Non-auxiliary deformities include flaws in blockwork, dampness in older structures, and flaws in mortar work.

What Are The Basic Things To Be Done?

The inspector should inform building owners and tenants of the state of their structures at all times. Building owners should take the following precautions to avoid unnecessary panic:

  • Determine the signs and symptoms.
  • To comprehend the potential origins of the flaws.
  • Carry out timely repairs and maintenance to keep their structures in good working order.

What Are The Most Common Building Defects?

Non-Structural Cracks

  • Cracks that are just visible on the surface.
  • Cracks that run in multiple directions.
  • Between non-structural walls and structural elements.

Spalling of Concrete

  • Water stains or rust are visible on the surface, and there is water seepage.
  • Cracks start to appear.
  • Rendering/tiles are strewn everywhere.
  • Large chunks of concrete break away from the surface, exposing the rusted steel bars.

Structural Cracks

  • Surface rendering cracks that penetrate structural concrete or a load-bearing brick wall.
  • Cracks that occur on building structural elements such as beams.
  • Long fissures that run the length of the wall.
  • On the cracks, there are rusty streaks.
  • On the corners of window or door frames, there are oblique fissures.

Defective External Wall Finishes

  • When tapped with a hammer, debonding of finishes/tiles from the wall results in a hollow sound.
  • Surface cracking on the wall.
  • Bulging on a hollow foundation.
  • Falling off the cliff.
  • Finishing loosening.

Failed Gutters

  • The corners of guttering, connections, and rainfall outlets are the most prevalent failure sites for rainwater items.
  • If a box gutter is clogged for an extended time, it can cause damp concerns, brickwork deterioration, and structural issues.
  • The most prevalent guttering issues are blocked rainwater outlets, rusted gutters, broken guttering, and failure of rainwater items below ground level.

Failure of Roof Coverings

  • The nails attaching the tiles to the batons eroding and causing the slates to shift and slip out of place is one of the most typical failures of slate roof coverings.
  • Tiles made of concrete or clay can crack and spool, allowing water to leak in and causing structural concerns due to deteriorating roof systems.

Structural Failure of the Roof

  • There are a variety of faults that might emerge in the roof structure.
  • Woodworm, damp and dry rot, roof spread, and purlin sagging are among them (a horizontal beam along the length of a roof, resting on main beams and supporting the common rafters or boards).


  • Condensation wetness is most common when the relative humidity, a measure of moisture content in the air is high.
  • Moisture droplets form as condensation on cold surfaces as the relative humidity rises over 100%.
  • A lack of sufficient ventilation, the amount of building occupants, drying clothing internally, or cooking are only a few of the causes that might cause relative humidity to rise.

Eroded Pointing

  • On earlier properties, pointing to masonry walls was done with a lime-based mix; however, a tougher cement-based combination is employed on contemporary properties.
  • Pointing is most commonly seen on brickwork that has been exposed to the elements and, as such, it has weathered over time or on guttering that has failed.

Flat Roof with a Defect

  • Flat roofs with a mineral felt or asphalt covering are common on older flat roofs. Because these types of coverings typically last 10-20 years, they are frequently found to be problematic.
  • If properly maintained, newer coatings such as GRP (Glass Reinforced Plastic) can survive for 40 years or more.
  • UV rays can cause the outer surfaces to deteriorate and weathering and cracking of the various layers.
  • Other issues include faulty flashings and ponding, which means the roof isn't draining correctly.

Repair And Maintenance Of Building Defects

  • The conditions of the flaws should be kept in mind by building owners.
  • Owners may carry out repairs as needed until conditions have changed.
  • Building owners should schedule timely repairs and maintenance to keep the structure in good working order.
  • Respective building owners should make arrangements to hire building professionals to coordinate the repairs.
  • Building owners should notify the owners' corporation/management business so that building professionals can be scheduled to arrange the necessary repairs.
  • You shall share the expense among the affected building owners following the shares specified in the deed of mutual covenant.

Always Get An Inspection Report

To summarise, an inspector must inspect building problems to avoid any unpleasant situations. However, many people looking to buy a home are being taken advantage of by overpriced housing with concealed defects and flaws. It's a good idea for anyone looking to buy a house to read up on how to spot hidden building defects.

It's essential to understand that building defects and flaws can significantly affect the value of a home or structure. Thus, it's in the buyer's best interest to identify and create a list of flaws on a property and buy it for a lower price. However, the best way to accomplish this is by utilising the services of a professional building inspector equipped with extensive knowledge and experience.

Before you buy. Before you build. Inspect with confidence with Jim's!

Contact the team at Jim's today for a peace of mind of your inspection!

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