How does cremation work?

Cremations are fast becoming the norm in Britain with over 70% of families choosing this type of funeral. But with much of the cremation process happening behind closed doors, it may seem confusing and somewhat mysterious, inviting many questions. You may have questions that will inform your decision about whether and how to plan a funeral cremation service, this guide aims to give you clarity.

How does cremation work? Image by Firmbee from Pixabay

What is cremation and how does it work?

Cremation is the process of reducing a body to its basic elements through intense heat and evaporation. The body is placed in a cremation chamber, where temperatures reach 760-980°C (1400-1800°F). This heat reduces the body to bone fragments, which are then processed into a fine powder known as “ashes” [1].

Why do people choose cremation over traditional burial?

There are several reasons why cremation has grown in popularity:

  1. Cost-effectiveness: Cremation is often less expensive than traditional burial.
  2. Environmental concerns: It requires less land use and fewer resources.
  3. Flexibility: Ashes can be scattered, kept, or interred according to wishes.
  4. Simplicity: Cremation can involve less complex funeral arrangements.
  5. Religious or personal beliefs: Some faiths prefer or allow cremation.

What happens during a cremation service?

A cremation service can vary depending on personal preferences and cultural traditions. Typically, it includes:

  1. A viewing or visitation period (optional)
  2. A memorial service or ceremony (which may occur before or after cremation)
  3. The actual cremation process
  4. The return of the ashes to the family

Some families choose to have a traditional funeral service followed by cremation, while others opt for a direct cremation with a memorial service later [1].

How long does the cremation process take?

The actual cremation process typically takes 2-3 hours, depending on factors such as body size and the type of container used. However, the entire process, from the time the body arrives at the crematorium to when the ashes are returned to the family, can take several days. This includes:

  1. Identification and documentation (1-2 days)
  2. Waiting period (varies by location, often 24-48 hours)
  3. Cremation (2-3 hours)
  4. Cooling and processing of remains (1-2 hours)
  5. Return of ashes to the family (1-2 days)

What are the different types of cremation services available?

There are several types of cremation services to choose from:

  1. Traditional cremation: Includes a viewing, funeral service, and then cremation.
  2. Direct cremation: The body is cremated shortly after death without a viewing or ceremony.
  3. Witness cremation: Family members can observe the cremation process.
  4. Green cremation: Uses alternative methods like alkaline hydrolysis for a more eco-friendly option.
  5. Cremation with memorial service: The cremation occurs first, followed by a memorial service with the ashes present.

What should you consider when planning a cremation service?

When planning a cremation service, consider the following:

  1. Legal requirements: Ensure all necessary paperwork is completed.
  2. Choice of crematorium: Research local options and their services.
  3. Urn selection: Choose an appropriate container for the ashes.
  4. Memorial options: Decide on any additional services or ceremonies.
  5. Disposition of ashes: Plan for scattering, burial, or keeping the ashes.

Cremation services can vary in cost depending on the type of service and additional options chosen. Here’s a comparison of typical cremation services and their estimated costs in the UK:

Service Type Description Estimated Cost Range
Direct Cremation Basic cremation without ceremony £1,000 - £1,600
Simple Cremation Includes cremation and simple service £1,600 - £3,000
Traditional Cremation Full funeral service with cremation £3,000 - £5,000
Witness Cremation Family can observe the cremation Additional £100 - £300
Green Cremation Eco-friendly options (where available) £3,000 - £6,000

Prices, rates, or cost estimates mentioned in this article are based on the latest available information but may change over time. Independent research is advised before making financial decisions.


In conclusion, cremation services offer a range of options to suit different preferences and budgets. Understanding the process, types of services available, and considerations involved can help in making an informed decision during a difficult time.

Sources: [1] https://www.simplicity.co.uk/advice/cremation-process

The shared information of this article is up-to-date as of the publishing date. For more up-to-date information, please conduct your own research.