Project Description

Building Pathology

AWP Consulting, Chartered Surveyors and Project Managers specialise in Building Pathology. We provide a first class, personalised nationwide service from our base in North Yorkshire.

If a building element fails, it is important to determine why it has failed, whether or not it needs to be fixed and a whole range of other issues. We can help determine what questions needs answering.

Building pathology is a holistic approach to studying and understanding buildings, and in particular, building defects and associated remedial action.

Building defects are aspects of the building that were not completed in accordance with the contract or that have failed. Defects can be ‘patent’ or ‘latent’. Patent defects are those which can be discovered by reasonable inspection. Latent defects are those which cannot be discovered by reasonable inspection, for example problems with foundations which may not be apparent.

Defects may occur because of wide a range of issues, such as:

  • Design deficiencies.
  • Material deficiencies.
  • Specification problems.
  • Workmanship deficiencies.
  • Deterioration.
  • Maintenance and repair deficiencies.
  • Improper use.
  • Environmental and other external factors.

Defects may be:

Fundamental. For example, requiring demolition, making the building unsafe or being in breach of a permission.

Functional. Affecting the clients beneficial occupancy of the building.

Cosmetic. Not affecting the clients beneficial occupancy of the building.

When defects become apparent, remedial work may be necessary to correct them. However, this is not always straight forward:

  • It is not always clear what constitutes a defect.
  • It is not always clear what has caused a defect. It may be a combination of design and workmanship deficiencies, or an apparent defect in finishes may actually be caused by a structural problem.
  • It is not always clear where the fault lies, or it may lie with more than one party.
  • The remedial works necessary to correct a defect may be very extensive, complex, costly, time consuming or out of proportion with the nature of the defect itself.

Building pathology takes an interdisciplinary, holistic approach which recognizes that buildings do not exist in isolation, but necessarily interact with occupants and their surroundings. Failure to adopt such an approach, can lead to misdiagnosis.

Broadly, building pathology consists of three primary activities:

  • Identifying, investigating and determining the nature of building defects.
  • Recommending the most appropriate course of action.
  • Design, supervision and monitoring of remedial works.

Investigations may begin with a detailed survey and a desk study to collate historic and background information. A building should be considered in its context, from when it was designed and built, through changes that have taken place to its present function. In this way, building pathology has similarities with the practice of archaeology. Each material or component that makes up a building has its own characteristics and requirements, which can lead to different kinds of failure. These must be investigated and carefully considered in order to diagnose problems and develop an appropriate remedial strategy.

Building pathology may be used to:

  • Provide confidence for a potential purchaser or tenant.
  • Establish liability for dilapidations.
  • Determine stability and risk of failure.
  • Diagnose defects when symptoms appear.
  • Identify and understanding the reasons for present condition.
  • Ensure compliance with legal requirements.
  • Provide a strategy for repairs or maintenance.
  • Provide expert witness evidence.
  • Provide damage assessments following an incident.
  • Assess performance.
  • Provide management solutions.
  • Value remedial works.

Typical issues that may require assessment might include:

  • Penetrating and interstitial damp.
  • Cracking and building movement.
  • Rot, corrosion, mold growth and infestation.
  • Deleterious materials.
  • Thermal performance, air tightness and cold bridges.
  • Interaction with trees.
  • Drainage problems.
  • Occupant health and wellbeing.
  • Noise problems.
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Dilapidations Survey Yorkshire
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Residential Surveying Yorkshire
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Building Surveys York, Harrogate and Yorkshire

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Buildings and Property Services York, Harrogate and Yorkshire

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