Learn about Heritage Property - Decay and Prevention | Alison Online

Heritage Property: Decay and Prevention

Learn about causes of decay in heritage property and documentation of heritage property in this free online course.

Free Course
This free online course explains the cause of decay in heritage property. The course give insights into the common threats to historic structures. The course also describes the biological and botanical causes of decay in buildings. This course will be of great use for people who are interested in a career in historical sites. By the end of this course, you will understand the various steps taken for the documentation of historical sites.
  • Duration

    1.5-3 Hours
  • Certification

  • Mobile Friendly

  • Publisher

  • Accreditation






View course modules


This course explains how external causes of decay affect the sustainability and longevity of historical structures. You will learn how natural disasters have caused decay in heritage property over the years. You will also learn about external factors like heat causes expansion and contraction of historic buildings. This course explains how improper disposal of rainwater causes deterioration in ancient structures. 

This course then explains in detail the Bell tower of Pisa and its significance over the years in Italy. You will learn how external factors like wind and rainwater has contributed to the decay of some parts of the Bell tower of Pisa. You will also learn about the York minster which is the second largest Gothic cathedral of northern Europe.

This course then explains the steps taken to reduce the effect of decay in heritage property. You will learn about the principles and the factors governing foundation behaviour of heritage property. You will learn about the conservation of stonework masonry and brickwork. You will also learn about best practices to employ to prevent decay of heritage property and proper conservation of heritage property.

Start Course Now

Learning Outcomes

Upon suceesful completion of this course: 

  • Explain the concept of decay 
  • Identify the common threats to historic structures and sites
  • Discuss the external causes of decay 
  • Explain the biological and manmade causes of decay
  • Explain how heritage properties are identified
  • Describe the resistance to gravity by a sound structure 
  • Explain rain and wind as external causes of decay in buildings 
  • Describe the action of frost, snow and ice 
  • Explain the biological and botanical causes of decay in buildings 
  • Describe why the leaning tower of Pisa is known worldwide for its unintended tilt 
  • Explain the causes of the tilt and proposed solutions to correct the tilt of the leaning tower


All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire an official Certificate, which is a great way to share your achievement with the world. Your Alison Certificate is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning

Alison offers 3 types of Certificates for completed Certificate courses:

Digital Certificate - a downloadable Certificate in PDF format, immediately available to you when you complete your purchase
Certificate - a physical version of your officially branded and security-marked Certificate, posted to you with FREE shipping
Framed Certificate - a physical version of your officially branded and security-marked Certificate in a stylish frame, posted to you with FREE shipping

All Certificates are available to purchase through the Alison Shop. For more information on purchasing Alison Certificates, please visit our FAQs. If you decide not to purchase your Alison Certificate, you can still demonstrate your achievement by sharing your Learner Record or Learner Achievement Verification, both of which are accessible from your Dashboard. For more details on our Certificate pricing, please visit our Pricing Page.


    You have received a new notification
    Click here to view them all