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Cremation is a dignified and increasingly popular method of laying a loved one to rest. Understanding exactly what happens during the process can bring clarity and peace of mind to families considering this option.
Whether you are planning ahead or facing an immediate need, this guide walks you through every stage — from the first steps to what happens to the ashes afterwards.
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At a glance
What it is
The controlled, respectful reduction of a body to ashes using high-temperature heat inside a cremation chamber.
Who handles it
A licensed crematorium, arranged by a funeral director or directly through a direct-cremation provider such as Funero.
Typical timeline
The cremation itself takes 2–3 hours; ashes are usually ready for collection within a few days.
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The direct cremation process, step by step
Step 1 — Identification and preparation
Before anything else, the deceased is formally identified. Any non-combustible items — pacemakers, prosthetics, jewellery — are carefully removed to prevent complications inside the cremation chamber. The body is then placed in a simple wooden or cardboard cremation container.
Step 2 — The cremation chamber
The container is placed inside a purpose-built furnace, known as a retort, at an authorised cremation facility. Modern crematoria use computerised systems to maintain precise temperature control throughout.
Step 3 — The cremation
Temperatures inside the retort reach between 760 °C and 982 °C (1,400–1,800 °F). At this heat, the body and container reduce to bone fragments over approximately two to three hours. After cooling, any remaining metal fragments — such as surgical implants or dental fillings — are removed using specialist equipment.
Step 4 — Processing and returning the ashes
The remaining bone fragments are processed into fine, uniform ashes — often called cremated remains or cremains. These are placed in a temporary container or, if chosen, an urn selected by the family. Families can then scatter, bury, keep, or memorialise the ashes in a way that feels right for them.
Environmental considerations
Modern crematoria have made significant progress in reducing environmental impact:
- Emissions control systems filter particulate matter before it is released.
- Energy-efficient technology lowers the carbon footprint of each cremation.
- Alternative methods such as water cremation (aquamation) use less energy and are becoming more widely available.
If environmental values are important to you, ask your cremation provider about their sustainability practices and whether greener options are on offer in your area.
Frequently asked questions
Can I attend the cremation?
Yes. Some crematoria allow family members to be present at the start or to witness the committal. Ask the facility directly about their policy when making arrangements.
What happens if there is a pacemaker?
Pacemakers must be removed before cremation as they can explode at high temperatures. The crematorium or funeral director will handle this as standard practice during preparation.
How long does it take to receive the ashes?
In most cases, ashes are ready to collect or have delivered within three to five working days of the cremation taking place.
What can we do with the ashes?
Families choose to keep ashes in an urn, scatter them in a meaningful location, have them pressed into jewellery, or incorporate them into a memorial planting. There are no legal restrictions on scattering ashes in most places in the UK, though you should seek landowner permission on private land.
For more guidance on what to do with your loved one's ashes, or to explore the full costs involved, see our guide on direct cremation costs. If you have questions about the process or would like to arrange a direct cremation with Funero, contact us at info@funero.co.uk.
