Water Cremation & Resomation UK: The Complete 2025 Guide

When a loved one dies, families are increasingly asking whether there is a way to say goodbye that is both meaningful and kinder to the planet. Water cremation — known scientifically as alkaline hydrolysis, and commercially as resomation — is answering that question. Now legal in Scotland and generating significant momentum across the rest of the UK, water cremation offers a profoundly gentle, environmentally responsible alternative to traditional flame cremation or burial.

This guide explains exactly what water cremation is, how the process works, what it costs, what is returned to your family, and where you can access it in the UK right now. We have written it to be the most thorough and honest resource available — because families making this decision deserve nothing less.

What Is Water Cremation (Resomation)?

Water cremation is a process that uses warm water combined with an alkali solution — typically potassium hydroxide — to gently dissolve soft tissue over several hours, leaving only the mineral bone structure behind. The scientific term is alkaline hydrolysis, and the process essentially accelerates what nature would eventually do in the ground, compressing years of natural decomposition into a matter of hours.

The term resomation comes from the Greek word resoma, meaning "rebirth of the human body." It was coined by the Scottish company Resomation Ltd, which developed the commercial technology now used by facilities across North America, Australia, and Europe, and which has been a central force behind its legalisation in the UK.

Water cremation has been available in the United States, Canada, Australia, and parts of continental Europe for more than a decade. It is now on the cusp of becoming widely available in the UK — a landmark shift for British families who want a greener, gentler farewell.

How Does Water Cremation Work? A Step-by-Step Guide

The process is carefully managed and dignified at every stage. Here is exactly what happens:

1. Preparation: The person who has died is placed in a biodegradable vessel or shroud — no metal or synthetic materials enter the chamber. Personal items such as jewellery are removed beforehand and returned to the family.
2. The chamber: The body is placed in a sealed stainless steel vessel called a resomator. A solution of water and potassium hydroxide is introduced.
3. Gentle heat and pressure: The Resomation Ltd system typically operates at around 150–160°C under controlled pressure (precise operating parameters vary by system and facility). The pressurised environment prevents the water from boiling, creating conditions that rapidly accelerate the body's natural biochemical breakdown. This is quite different from the open flame environment of traditional cremation — the process is closer to a gentle, accelerated form of natural decomposition.
4. Dissolution of soft tissue: Over approximately three to four hours, soft tissue is completely dissolved. The alkaline solution breaks the chemical bonds that hold cells together, leaving only the mineral bone structure intact.
5. Rinsing: The remaining bones are gently rinsed with fresh water and then carefully dried.
6. Processing the remains: The bones are processed into a fine powder — similar in appearance to the ashes from flame cremation, though typically whiter or creamier in colour and often greater in volume.
7. Return to family: The powdered remains are returned to the family in an urn or container of their choosing, ready for scattering, interment, or keeping at home.

Families who have experienced water cremation — particularly in the United States where it has been practised for longer — often describe the remains as feeling softer and purer than those from flame cremation. Many find this a genuine comfort during an already painful time.

The Environmental Case for Water Cremation

For a growing number of families, the environmental benefits of water cremation are the primary reason they choose it. The figures are striking, and independently verified.

Carbon Footprint

Traditional flame cremation is energy-intensive. A single flame cremation produces an estimated 160–400 kg of CO₂ and requires significant quantities of natural gas to reach the temperatures needed. Water cremation, by contrast, uses approximately 90% less energy and generates roughly one-eighth of the greenhouse gas emissions of flame cremation. For families who care deeply about their environmental legacy, this difference is profound.

No Mercury Emissions

One of the less-discussed environmental impacts of flame cremation is mercury vapour, released from dental amalgam fillings at high temperatures. UK crematoria are legally required to fit mercury abatement equipment at considerable expense — a cost ultimately borne by families. Water cremation produces no mercury emissions whatsoever, because the process never reaches temperatures high enough to vaporise mercury.

What Happens to the Liquid?

This is one of the most common questions families ask — and a completely understandable one. The sterile liquid produced during the process (sometimes called the effluent or process water) is a nutrient-rich solution with a composition similar to liquid fertiliser. It is safely processed through regulated municipal wastewater systems in exactly the same way as other organic matter. In some international facilities, this liquid is being explored for use in agricultural or horticultural settings — returning nutrients to the soil in a genuinely circular, natural process.

Regulators in Scotland, as in other countries where alkaline hydrolysis is established, have concluded that the process water presents no public health risk and can be managed safely within existing wastewater infrastructure.

Land Use and Materials

Unlike burial, water cremation requires no ongoing land use, no embalming chemicals, and no non-biodegradable materials such as metal coffin fittings or burial vaults. For families who want to minimise their loved one's environmental footprint at every stage, it represents one of the most ecologically thoughtful choices currently available anywhere in the world.

Legal Status in the UK: Scotland, England and Wales

Scotland — Legalisation in Progress (2025)

Scotland is on track to become the first part of the United Kingdom to legalise water cremation. The Burial and Cremation (Scotland) Act 2016 provided the primary legislative framework, explicitly including provision for additional forms of body disposal beyond burial and flame cremation. The Scottish Government subsequently consulted extensively on water cremation and committed to introducing the necessary secondary legislation to bring it into lawful practice.

Important caveat: As of mid-2025, the precise commencement date of the secondary regulations (the specific statutory instrument formally bringing water cremation into legal operation in Scotland) had not yet been publicly confirmed with a fixed implementation date at the time of writing. We anticipate this occurring in 2025 or 2026 based on Scottish Government statements, but families should verify the current position with a Scottish funeral director or check the Scottish Government's official guidance before making arrangements. We will update this guide as soon as the regulations are formally enacted.

Resomation Ltd has been working closely with Scottish local authorities and crematoria to prepare for the practical rollout of the service once the legal framework is fully in place. If you are based in Scotland and wish to explore water cremation for a loved one, speaking with an NAFD-accredited funeral director is the best first step. Find an accredited funeral director in Scotland here.

England and Wales — The Current Legal Position

In England and Wales, water cremation is not yet legal as of 2025. The current legislative framework — primarily the Cremation Act 1902 and associated regulations — does not recognise alkaline hydrolysis as a lawful form of disposition. This means that, regardless of how a family feels about the process, no funeral director in England or Wales can currently offer water cremation as a legal choice.

However, the picture is changing. There is growing cross-party political support for reform, driven by:

• Scotland's progress in creating a legal framework
• The UK Government's broader commitments to reaching net zero
• Increasing public awareness and demand for greener end-of-life options
• Industry advocacy from bodies including the National Association of Funeral Directors (NAFD), the Society of Allied and Independent Funeral Directors (SAIF), and the Chartered Institute of Crematorium and Cemetery Administration (ICCM)

There is no confirmed timeline for legalisation in England and Wales at the time of writing, but the direction of travel is clear. The NAFD continues to engage with Government on this issue on behalf of members and the families they serve.

What can families in England and Wales do right now?

• Speak to an NAFD-accredited funeral director about recording your wishes for water cremation, so that your family is prepared if legislation changes before or after your death.
• Consider including your preferences in an advance funeral wishes document.
• Contact your MP to express support for legalisation — political pressure from constituents makes a genuine difference.

Water Cremation: Cost Guide and Price Comparison

One of the most practical questions families ask is: how much does water cremation cost? Honest, clear pricing information is something every family deserves — so here is what we know.

Current Pricing in Scotland

Because water cremation is not yet fully operational at scale in the UK (as of mid-2025), published UK price lists are limited. However, based on international precedent and discussions within the industry, here is what families can reasonably expect:

• Water cremation fee (facility charge only): Estimated £300–£600 in Scotland once services are fully operational — broadly comparable to the cremation fee element of a standard flame cremation.
• Full water cremation funeral (including funeral director services, transportation, and urn): Likely to fall in the range of £1,500–£3,500 depending on the level of service chosen, the funeral director, and the region.
• Early adopter pricing may be higher as the market establishes itself, similar to patterns seen in the United States when services first launched there.

How Does Water Cremation Compare Financially?

Water cremation is likely to be competitively priced with a mid-range flame cremation funeral once the market matures — and may carry a modest premium over direct flame cremation, reflecting the newer technology and infrastructure investment required. Use our funeral cost calculator to explore costs in your area.

All price estimates above are indicative and based on industry data current to mid-2025. Always request a fully itemised written quotation from your funeral director before confirming any arrangements.

What Is Returned to the Family?

Families receive the processed bone remains — often referred to as cremains or simply "ashes" — in an urn or container. In practice, the remains from water cremation:

• Are typically whiter or creamier in colour than flame cremation ashes (which can be grey)
• Have a finer, softer texture
• Are often greater in volume — because the process is gentler and preserves more of the bone mineral structure
• Are completely sterile and safe to handle, scatter, or inter

Families can scatter the remains in a meaningful location (subject to any local permissions), inter them in a cemetery or memorial garden, keep them at home in an urn, or incorporate them into memorial items such as jewellery or glass artwork — exactly as with flame cremation ashes.

Water Cremation and Religious or Cultural Traditions

For many families, religious faith or cultural tradition plays a central role in funeral decisions. Here is what we know about how different communities are approaching water cremation:

Christianity

Most mainstream Christian denominations in the UK — including the Church of England, the Catholic Church, and the Methodist Church — permit cremation as an alternative to burial, reflecting a theological acceptance that the physical body is not the sole determinant of resurrection. The Catholic Church has approved cremation since 1963. Official guidance on water cremation specifically is still developing within most denominations, but the process is increasingly accepted by clergy and theologians who view it as a natural extension of the same principle. Families with strong faith should discuss the matter with their minister, priest, or deacon.

Judaism and Islam

Traditional Orthodox Judaism and Islam both place great emphasis on burial of the body, and both generally discourage or prohibit cremation in any form. Water cremation is unlikely to be considered acceptable within these traditions in its current form. Families from these communities who are interested in more environmentally sensitive options might instead explore natural burial, which aligns more closely with traditional requirements.

Hinduism, Sikhism, and Buddhism

Cremation is deeply embedded in Hindu and Sikh tradition as the preferred form of disposition. The question of whether water cremation satisfies the theological and ritual requirements associated with flame cremation — including the symbolic return of the body to the elements through fire — is one that individual families may wish to explore with religious leaders. Some practitioners take a pragmatic view; others feel that the specific symbolism of fire is essential. Buddhist traditions vary considerably but generally accept cremation; water cremation may be similarly accepted in many Buddhist communities.

Non-Religious Families

For secular families or those for whom personal values around environmental responsibility are the primary guide, water cremation is increasingly seen as the most meaningful and conscientious choice available. Its alignment with a philosophy of returning gently to nature, with minimal environmental harm, resonates strongly with contemporary attitudes.

Whatever your background, an NAFD-accredited funeral director can help you navigate these questions sensitively and without judgment. Find a funeral director near you.

How to Access Water Cremation in the UK Right Now

Here is practical, honest guidance on what you can actually do today, depending on where you live.

If You Are in Scotland

Scotland is the only part of the UK where water cremation is on the immediate horizon as a legal option. The steps to take are:

1. Contact an NAFD-accredited funeral director in Scotland and ask specifically about water cremation availability. Not every funeral director will be set up to offer it immediately, but NAFD members are committed to keeping families informed about emerging options. Search for an accredited funeral director in Scotland here.
2. Ask about Resomation Ltd partnerships. Resomation Ltd — the Glasgow-based company that developed the technology — is working with crematoria and local authorities across Scotland. Your funeral director should be able to advise on which facilities are operational or planned near you.
3. Contact your local crematorium directly. Ask whether they have installed or are planning to install a resomator, and if so, when they expect to be accepting referrals.
4. Check the Scottish Government website for the latest on the secondary regulations (the statutory instrument formally commencing the water cremation provisions under the Burial and Cremation (Scotland) Act 2016). Once enacted, this will be published on legislation.gov.uk.

If You Are in England or Wales

Water cremation is not yet legal in England or Wales. Here is what you can do in the meantime:

1. Record your wishes formally. Speak to an NAFD-accredited funeral director about completing an advance funeral wishes document specifying your preference for water cremation. This ensures your family knows your wishes and is ready to act if legislation changes.
2. Consider a pre-paid funeral plan with a forward-looking provider. Some funeral plan providers are beginning to consider how they will accommodate water cremation once it is legal — ask your funeral director about this.
3. Contact your MP. Parliamentary support for legislative change is growing. A letter or email to your MP expressing support for legalising water cremation in England and Wales takes minutes and genuinely makes a difference.
4. Stay informed. The NAFD advocates actively for the expansion of lawful disposition options in England and Wales. Bookmark this guide and check back for updates.

Alkaline Hydrolysis UK: Understanding the Science and Regulation

The scientific term alkaline hydrolysis UK professionals use is sometimes seen as clinical or off-putting — but understanding the science can actually be reassuring for families who want to know exactly what happens to someone they love.

Hydrolysis simply means the breaking of chemical bonds using water. Alkaline hydrolysis specifically uses a basic (alkaline) solution — potassium hydroxide — to accelerate the process. At the molecular level, this is identical to what happens during natural decomposition in soil; the process is simply much faster under controlled conditions of warmth and pressure.

In the UK, the regulation of alkaline hydrolysis facilities will fall under a framework overseen by the Scottish Environment Protection Agency (SEPA) in Scotland and equivalent bodies elsewhere. Facilities must meet strict standards for the handling of remains, the safe discharge of process water, and the return of cremains to families. Industry bodies including the NAFD, SAIF, and the ICCM are engaged in developing professional standards for water cremation practice, ensuring that when the service becomes available, families can trust that it is being carried out with the same professionalism and care as any other form of funeral service.

Resomation Ltd, the company that pioneered the commercial technology in the UK, has an extensive record of operation through its licensing partners in the United States, Canada, and Australia — giving regulators and funeral professionals confidence in the safety and dignity of the process.

Public Attitudes to Water Cremation

Public awareness of water cremation in the UK has grown substantially in recent years, driven by media coverage of its legalisation progress in Scotland and broader conversations about green funerals. Polling and survey data from the funeral sector suggest:

• A significant and growing minority of UK adults — particularly younger generations — say they would consider water cremation as their preferred form of disposition.
• Environmental concerns are the primary driver of interest, with many respondents specifically citing climate change and a desire to leave a smaller carbon footprint.
• Awareness is still relatively low among older generations, though interest tends to increase sharply once the process is explained clearly.
• Concerns most commonly raised include unfamiliarity with the process and questions about what happens to the liquid — both of which, as this guide illustrates, can be addressed with clear, honest information.

The trajectory is clear: as awareness grows and availability increases, water cremation is likely to become a mainstream choice alongside flame cremation and burial — in the same way that natural burial went from a niche option to a widely understood and chosen alternative over the past two decades.

Making the Right Choice for Your Family

There is no single right answer when it comes to choosing how a loved one's body is cared for after death. What matters is that the choice reflects the values, wishes, and needs of the person who has died and the family they have left behind. Water cremation is one option among several — and it is a genuinely beautiful one for families who feel strongly about leaving the world a little better than they found it.

Whatever you decide, an NAFD-accredited funeral director will guide you through every step with honesty, compassion, and expertise. They are bound by a Code of Practice that requires them to put your needs first, provide transparent pricing, and never pressure you into any decision.

Find an NAFD-accredited funeral director near you — or use our funeral cost calculator to begin understanding your options.