Inside a crematorium - understanding the process

For many people, the idea of a crematorium is unsettling and even a little daunting. At Levertons, we believe that openness and clarity help families feel more confident in their choices. In this article, we take you behind the scenes – step by step- so you know exactly what happens in a crematorium, and we answer some frequently asked questions.

From death to cremation: The early steps

1. Verification and paperwork

Before any cremation can proceed, certain legal and medical steps must be completed. A Medical of Cause of Death (MCCD) must be issued, and the death must be formally registered. If a coroner or further investigation is involved, that can delay matters. Only once all the legal formalities are in place can the cremation take place. See “when someone dies” section on our website for more information.

2. Transfer and preparation

The funeral director collects the deceased from the place of death or mortuary and the funeral director brings them to their care. At Levertons, the body is treated with dignity and respect: cleaned, dressed in clothing or a shroud (depending on family wishes), and any medical devices or jewellery removed (unless the family prefers the latter to remain).

Embalming is optional; it is often used when viewing is requested.

3. Booking the cremation slot

Cremations are booked in advance, and demand means slots may fill several days or even up to two weeks in advance (or more, depending on local pressure).

The funeral service and committal

If the family chooses an attended funeral, the ceremony usually takes place in the chapel on the day of cremation, although if the ceremony is later in the day, the cremation may not take place until the following working day.

  • Mourners arrive, the coffin is brought into the chapel (often placed on a catafalque, or raised platform)
  • The service (readings, hymns, eulogies, prayers) typically lasts 30 to 45 minutes (though that may be extended)
  • At the point of committal, the coffin is usually obscured from view (for example, withdrawn behind curtains or a gate) while the final respects are paid. However, families may take the option on the coffin remaining in view until everyone has left the chapel.
  • After the mourners depart, the coffin is moved from the chapel to the cremation (or charging) area.

Into the cremator: The cremation process

1. Identity checks and input

Before inserting the coffin, crematorium staff verify the identity of the deceased (matching nameplates, identity cards, or unique identifiers). This ensures the correct body is cremated.

2. Charging the coffin

The coffin (with the body inside) is placed in the cremation chamber (sometimes also called the “retort”) for cremation. In the UK, the coffin and body are cremated together; the container is not removed prior to cremation. The Code of Cremation Practice forbids opening the coffin once it has been committed, except in very exceptional circumstances, and it must not be disturbed.

3. Duration and temperature

The actual cremation typically takes around 90 minutes to two hours (in some cases slightly more, depending on body size, coffin type and other factors). The chambers are extremely hot (in the region of 1,000-1,200oC or more.

4. Removal of metal and pulverisation (cremulation)

Once the ashes are cooled, any metallic parts – such as surgical pins, screws, dental plates are removed using magnets or by hand, and these are usually recycled. The rest is processed by a machine called a cremulator to reduce them to a fine granular ash.

5. Packaging and storage of ashes

The processed ashes are placed into a container or urn clearly labelled with the deceased’s details. They may be temporarily stored until they can be collected by the family or interred or scattered, depending on the arrangements.

Frequently Asked Questions

Q: Does the coffin get cremated too?

Yes - in the UK, the coffin or container is cremated along with the body. The Code of Cremation Practice requires that the coffin not be opened once it has been committed , and that it be cremated intact (unless there is a very exceptional reason). Coffins intended for cremation must be combustible and suitable.

Q: Are multiple bodies cremated together?

No. Each cremation chamber only accommodates one coffin at a time, and each case is handled separately to avoid any mixing of remains.

Q: Can families witness the cremation?

Generally, no. Mourners attend the funeral service, but they will not be present when the coffin is placed into the cremator. Families may be allowed to be able  to see the “charging” (the moment the coffin enters the chamber) for cultural or religious reasons, but it must be requested in advance of the funeral.

Q: How long does the process take (from start to finish)?

From coffin charging to cooled remains ready for processing, about 1.5 to 2 hours is typical. Including the time needed for preparation, paperwork, scheduling, and return of ashes, the full timeline may span several days to a week or more.

Q: When do families receive the ashes?

Ashes are typically not returned on the same day. After cooling, metal separation, and processing, the ashes are packaged, labelled, and made available for collection or interment as arranged.

Q: Can ashes be scattered or interred?

Yes - there are many options. Families may choose to collect the ashes to keep, inter them in a cemetery or crematorium plot, or scatter them in a memorial garden or a natural location (subject to local regulations). Many crematoriums have their own gardens of remembrance or scattering lawns.

Q: Can a cremation be arranged without a funeral director?

Yes, legally it is possible for the executor or next of kin to arrange a cremation themselves. However, they must adhere to all statutory requirements (transport, safety, paperwork, identity validation, etc). Many families prefer to use a funeral director because of the support and practical handling they provide. Many crematoria will only allow a cremation to be booked through a funeral director.

As funeral directors who have supported many families through the cremation journey of a loved one, we understand how important it is to know that the deceased is treated with care and dignity every step of the way. At Levertons, we never forget that behind every cremation is a person who was deeply loved - and a family doing their best to honour them.

Our role is to make sure everything is handled with respect, transparency, and kindness. We believe that when families understand what happens at each stage, it helps ease some of the uncertainty and allows them to focus on remembering and celebrating the life that was lived.

If there’s anything you’re unsure about - whether it’s how the process works, what happens afterwards, or simply what to expect - please don’t hesitate to ask. We’re always here to listen, to explain, and to support you in whatever way we can.

Hannah Leverton

Contact Hannah

For any Media & Press enquiries please get in touch with me.

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I found Levertons exceptionally professional and caring throughout our experience when arranging and attending my Father's funeral. I would like to give special thanks to Lorna, the office manager at their Kentish Town branch, for her empathy and kindness. I would also like to thank Barry and Scott, who I know personally and the other pall bearers in attendance, who were wonderful. Thank you Levertons.

Review by Karen R left on 13 Apr 2026

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A massive thank you to this funeral directors and Lorna especially for helping plan my father’s funeral. I was all over the place and unsure or what had to be done and she made myself and my family feel so comfortable and reassured. Thank you massively, we are very grateful for your services! ❤️

Review by Shy P left on 09 Apr 2026

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At a really difficult time, Leverton & Sons were the perfect balance of compassion and practicality. They made the whole process of burying a loved one smooth and as easy as it could possibly be.

Review by Al E left on 04 Apr 2026

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James Green at Leverton's did an outstanding job for us at a very difficult time for the family. He was kind and empathetic but also, importantly, efficient and practical. He did what he said he would do when he said he would do it and was flexible when we wanted to make changes. I highly recommend them. Ru Bhugra

Review by aruna b left on 01 Apr 2026

Google

Craig at Leverton & Sons was incredibly professional and helpful with funeral arrangements. Craig went above and beyond to sort the arrangements to be made swiftly and seamelessly as possible.

Review by Ria H left on 01 Apr 2026

TRUSTist

This is a trusted business and over the last 20 years or more my family has hired Levertons for several funerals. They have always been great. They know how to handle things sensitively and professionally. I did not “shop around” when we recently organised the funeral at a nearby church for my mum. When the church knew we were using Levertons they were glad to hear it, saying they are “by far the best”. Everyone we spoke to and dealt with was kind and thoughtful and they helped us make the best of a sad day.

Review by Tom B left on 31 Mar 2026

Google

We recently entrusted Leverton and Suns with arranging my wife’s funeral, and I cannot express enough how grateful I am for their care, professionalism, and compassion during such a difficult time. From our very first interaction, they handled everything with sensitivity and respect. They took the time to listen to our wishes and ensured every detail was carried out exactly as we hoped. Their calm guidance made an incredibly emotional process much more manageable. On the day of the service, everything was organised flawlessly. The team conducted themselves with dignity and kindness, creating a peaceful and respectful atmosphere that truly honoured my wife’s memory. I am deeply appreciative of the support we received and would wholeheartedly recommend Leverton and Sons to anyone in need of their services. Their kindness and professionalism made a lasting impression on me and my family.

Review by Masoud K left on 30 Mar 2026

TRUSTist

We are very grateful for the care and professionalism shown throughout this difficult time. From the outset, everything was handled with a calm, kind, and reassuring manner, which made a real difference to us as a family. The process was clear and well managed, with each step explained carefully. Transitions between staff were seamless, and nothing was lost along the way – every detail and request was picked up and carried through. We felt fully supported in our decisions, and our wishes were respected and followed exactly. The day itself ran very smoothly, from the journey from home to the service, and onwards. The team were flexible and responsive, accommodating our requests within what is always a short and emotional timeframe. We would also like to mention the flowers the funeral directors arranged with the florist, were exactly as we had hoped – natural, with beautiful spring colours. We are especially thankful to Lorna and Camilla for their gentle, thoughtful approach. Their care helped us through a very difficult time.

Review by j b left on 27 Mar 2026

TRUSTist

They were fantastic. They made this difficult process, alot less difficult. Handling many things that would have otherwise been more on the families plate. For them I am grateful and would recommend them to everyone.

Review by Conkibon left on 26 Mar 2026

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We chose Levertons after speaking with three other local funeral directors, and we were not disappointed. Drew Rush was a model of professionalism, supportive throughout, with constructive and empathetic suggestions for arrangements for my sister's funeral. He was a most reassuring presence before, during, and after the ceremony. I would not hesitate in recommending the Company and Drew Rush in particular to anyone who finds themselves in the (generally) unfamiliar position of organising a funeral for a loved one at short notice.

Review by Robert S left on 26 Mar 2026

TRUSTist

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