Wills

Do I need a solicitor to write a will UK?

No, you don't have to use a solicitor to write a will in the UK - but for many people, professional help reduces the risk of mistakes that could invalidate it or spark a family dispute.

  • Understand when a solicitor is worth the cost
  • Compare solicitors and will writing services
  • No pressure to proceed

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Do I need a solicitor to write a will in the UK?

No, you are not legally required to use a solicitor to write a will in the UK. A will is legally valid as long as it meets the requirements of the Wills Act 1837: it's in writing, signed by the person making it (the testator), and signed in the presence of two independent adult witnesses who also sign it.

You have three main routes:

  • DIY will kit or online template - the cheapest option, suitable only for very simple estates
  • Will writing service - a middle-ground option, though "will writer" isn't a protected title and regulation is voluntary
  • Solicitor - regulated by the Solicitors Regulation Authority, best suited to complex estates or high-value assets

A solicitor is generally worth using if you have a blended family or step-children, own property or assets overseas, run a business, have an estate above the inheritance tax threshold, expect a family member to contest the will, need to provide for a dependant with a disability, or want to disinherit someone. For straightforward estates with no dependants or complications, a will writing service or DIY kit may be enough.

Not sure where to start?

Work out which option suits your estate

Every estate is different. An advisor can talk through your circumstances and help you decide whether a will writing service or a solicitor makes more sense.

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What are your options for writing a will in the UK?

If you've searched do I need a solicitor to write a will UK, here's the short answer: no, it isn't a legal requirement. You can write a will yourself, use a will writing service, or instruct a solicitor - the right choice depends on how complicated your estate and family circumstances are.

Broadly, there are three routes open to you in England and Wales:

  • DIY will kit - a template you fill in yourself, usually £0 to £30
  • Will writing service - a popular middle ground; many will writing service UK providers operate online, typically £30 to £250
  • Solicitor - a fully qualified, Solicitors Regulation Authority-regulated professional, typically £150 to £500 or more for complex estates

This guide covers wills and estate planning for England and Wales. Scotland and Northern Ireland have different succession laws, so if you're domiciled outside England and Wales, speak to a solicitor qualified in the relevant jurisdiction.

Cost comparison at a glance

Option
Typical cost
DIY will kit
£0 - £30
Online will writing service
£30 - £150
Professional will writer
£100 - £250
Solicitor
£150 - £500+

Your options compared

Which route suits your estate?

DIY will kit

Fine for very simple estates - a single person or couple with no dependants, no property abroad, and an estate well under the inheritance tax threshold. Mistakes are easy to make and hard to spot.

Will writing service

A reasonable middle ground for straightforward estates. Regulation is voluntary, usually through the Society of Will Writers or STEP, so it's worth checking credentials before you instruct one.

Solicitor

The safest choice for anything complicated - blended families, business assets, overseas property, or an estate close to or above the inheritance tax threshold.

When you don't need a solicitor for a will

For a genuinely simple will UK situation, a solicitor usually isn't essential. You're likely in this category if:

  • All of your assets are based in the UK
  • You don't own a business or business assets
  • You want to leave everything to your spouse or civil partner, or split it evenly between children
  • None of your dependants have complex care needs
  • Your estate is comfortably below the combined nil-rate band and residence nil-rate band (£325,000 plus £175,000 for a main residence left to children or grandchildren)
  • You've not been married before and have no step-children to consider

If all of that sounds like your situation, a regulated will writing service or a Law Society-accredited firm can usually handle it competently and at a lower cost than a full solicitor service. Keeping things simple doesn't make a will any less effective - see our guide to simple wills for more detail.

When do you need a solicitor for a will?

The clearest way to answer do I need a solicitor to write a will UK is to look at whether any of the following apply to you. If they do, a solicitor's advice is usually worth the extra cost.

These situations share one thing in common: they all involve complexity that a template or standard clause can't safely handle. Getting it wrong here doesn't just risk a technicality - it can mean the wrong people inherit, or your wishes get contested after you're gone.

When to get a solicitor

8 situations where a solicitor is worth it

1

You have a blended family or step-children

Intestacy rules and simple wills don't automatically protect step-children. A solicitor can make sure they're provided for as you intend.

2

You own property or assets overseas

Different countries have different succession laws, and some assets may need to be dealt with in a separate will.

3

You own a business

A solicitor can structure your will to make use of business property relief and avoid disrupting the business after you're gone.

4

Your estate is above the inheritance tax threshold

Careful drafting can help protect the nil-rate band, the residence nil-rate band, and spousal exemptions.

5

A family member is likely to contest the will

A solicitor can help you document your reasoning and reduce the risk of a successful challenge.

6

You have a dependant with a disability or care needs

A discretionary trust within your will can provide for them without affecting means-tested benefits.

7

You're not domiciled in England and Wales

Scottish and Northern Irish succession law differ materially, so you'll need a solicitor qualified in the right jurisdiction.

8

You want to disinherit someone

This is one of the highest-risk areas for a successful challenge, and needs careful legal wording to stand up.

Weigh up your options with an advisor

If your circumstances tick any of the boxes above, talk to an advisor about what a solicitor-drafted will could cover.

What makes a will legally valid in the UK?

Whoever writes it, a will only counts if it meets the valid will requirements UK law sets out in the Wills Act 1837, Section 9. In plain English, that means:

  1. It must be in writing
  2. It must be signed by the person making it, or by someone else in their presence and at their direction
  3. It must be signed in the presence of two independent adult witnesses, both of whom then sign it too

Two extra rules catch people out. First, a witness (or their spouse or civil partner) cannot benefit from the will - if they do, that gift is void, even though the rest of the will stays valid. Second, spoken or verbal wills, sometimes called nuncupative wills, are not valid in England and Wales, no matter how clearly they were expressed.

This applies to England and Wales specifically. Scotland's rules sit under the Succession (Scotland) Act 1964 and differ in several respects, and Northern Ireland has its own separate framework. If you're domiciled in either, look for a solicitor qualified in that jurisdiction.

How much does it cost to have a solicitor write a will?

If you're wondering how much does a will cost UK-wide, price generally tracks complexity. A simple solicitor-drafted will typically costs more than an online template, but includes proper legal advice and a lower chance of costly mistakes.

Typical costs by service type

Service type
Typical cost
DIY will kit
£0 - £30
Online will writing service
£30 - £150
Professional will writer
£100 - £250
Solicitor (simple will)
£150 - £300
Solicitor (complex or trust will)
£300 - £1,000+

A handful of schemes can bring the cost down to nothing if you qualify. Free Wills Month, typically run in March and October, and the Cancer Research UK will writing scheme both offer basic wills at no cost through participating solicitors, usually for those over 55. The Law Society also runs Wills for Heroes, offering wills at no cost to serving and former emergency services personnel and armed forces members. None of these cover every situation, but they're worth checking before you pay for a straightforward will.

For a full breakdown of pricing, see our guide to how much a will costs in the UK.

Expert insight

Lawrence Howlett

Don't choose based on price alone. A budget online will that misses a step-child or fails the witnessing rules can end up costing your family far more in contested probate fees than a solicitor's will would have cost upfront.

Lawrence Howlett,Founder of Money Saving Advisors

Why speak to an advisor before you write your will?

  • Understand which option matches your estate's complexity
  • Get pointed towards accredited will writers and solicitors
  • No pressure to proceed

Will writer vs solicitor UK: what's the difference?

"Will writer" is not a protected title in the UK - anyone can set up as one, regardless of qualifications. That's not true of solicitors, who must be qualified and regulated. Here's how the two compare:

Solicitor vs will writing service at a glance

What to check
How they compare
Regulation
Solicitors are regulated by the Solicitors Regulation Authority (SRA). Will writing services are regulated on a voluntary basis, usually through the Society of Will Writers or STEP.
Complaints route
Solicitors: the Legal Ombudsman. Will writing services: the company's own complaints process.
Professional indemnity insurance
Mandatory for solicitors. Varies for will writing services, so it's worth checking before you instruct one.
Legal advice
Solicitors can give full legal advice. Will writing services are generally limited to drafting the document.
Inheritance tax and trust planning
Solicitors can usually advise on this. Will writing services sometimes can, but not always.

Neither option is automatically better - a good will writing service can produce a perfectly valid will for a straightforward estate. The difference matters most when your situation has any of the complications covered earlier in this guide.

What happens if your will isn't valid?

If your will fails to meet the legal requirements, or you don't leave one at all, your estate is distributed under the intestacy rules UK law sets out in the Administration of Estates Act 1925 - not according to your wishes.

  • Unmarried partners are not recognised under intestacy law in England and Wales. Without a valid will, your partner may receive nothing, no matter how long you've been together.
  • Children from a previous relationship can be disadvantaged compared to what you'd intended, particularly in blended families.
  • Contested probate proceedings, when they happen, can run into the tens of thousands of pounds and take years to resolve, delaying the entire estate.

For more detail on what happens without one, read our guide to dying without a will. You can also find impartial guidance on intestacy from GOV.UK.

Getting help with your will

If you're still weighing up do I need a solicitor to write a will UK, an advisor can help you think it through alongside the rest of your financial picture - your mortgage, savings, and any protection policies you hold. That can point you towards a straightforward will, mirror wills with a partner, or a will that includes a trust, depending on what you need.

This guide is for general information only and doesn't constitute legal advice. For anything beyond a straightforward estate, speak to an advisor or seek advice from a solicitor regulated by the Solicitors Regulation Authority. If you're dealing with a bereavement or find any of this overwhelming, free and impartial guidance is available from MoneyHelper on 0800 138 7777.

Where advice touches on wider borrowing, remember that your home may be repossessed if you do not keep up repayments on your mortgage or any other debt secured on it.

Common questions

Frequently asked questions

Yes, and if you're asking do I need a solicitor to write a will UK, the honest answer is: not necessarily. You can write your own will as long as it meets the requirements of the Wills Act 1837: it's in writing, signed by you, and signed in the presence of two independent adult witnesses who also sign it. The risk with a DIY will is that small mistakes, like getting the witnessing wrong or using unclear wording, can invalidate all or part of it without you ever knowing.

No. Your witnesses just need to be independent adults who aren't beneficiaries of the will, or married to one. They don't need any legal qualification - neighbours, colleagues, or friends can all act as witnesses, as long as they're not named in the will.

A family member can witness your will as long as they, and their spouse or civil partner, are not a beneficiary. If a witness or their spouse is due to inherit anything under the will, that gift becomes void, even though the rest of the will remains valid. To avoid any doubt, it's safer to use two witnesses who have no connection to who benefits.

For a straightforward will, most solicitors can turn around a draft within one to two weeks of your initial meeting. More complex wills, particularly those involving trusts, business assets, or overseas property, can take four to six weeks or longer while the solicitor gathers the detail needed to draft it properly.

Whether it's worth paying a solicitor depends on your estate, but if you're weighing up do I need a solicitor to write a will UK, the situations covered earlier in this guide are the ones where it usually pays off: blended families, business assets, overseas property, or an estate near the inheritance tax threshold. For a genuinely simple estate, a will writing service may do the job perfectly well. The cost of getting it wrong, in contested probate fees or an outcome you never intended, is often far higher than the solicitor's fee would have been.

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Wills & Estate Planning

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This article was written by:

Lawrence Howlett
Lawrence Howlett

Founder of Money Saving Advisors

Lawrence Howlett brings a results-driven mindset to his writing, shaped by over a decade of experience across finance, legal, and energy sectors. As the founder of Moneysavingadvisors, he’s built a reputation for turning complex financial concepts into clear, actionable insights for consumers. His writing stands out for its clarity, structure, and focus on delivering value.

Article last updated 19 July 2026

Reviewed by Nick McDonald on 19 July 2026