Estate Planning UK 2026 — Wills, LPA, Probate and Inheritance Tax Guide

Wills & Estate Planning UK — Complete Guide

Everything you need to know about making a will in the UK. Why you need one, how to write it, what happens without one, and estate planning basics.

If you are planning wills, attorney roles, probate steps, and family handover tasks together, use the Estate Planning Hub for the full route map.

Most UK adults don’t have a valid will. Here’s why you need one and how to get it done properly.

Why You Need a Will

What a Will Does

FunctionWhy It Matters
Names who inheritsYour choice, not the law’s
Appoints executorsWho manages your estate
Names guardiansWho raises your children
Reduces family conflictClear instructions
Can reduce IHTWith proper planning
Specify funeral wishesYour preferences known

What Happens Without One

SituationIntestacy Result
Married, childrenSpouse gets £322,000 + half remainder; children share rest
Married, no childrenSpouse gets everything
Unmarried partner, childrenChildren get everything; partner gets nothing
Unmarried partner, no childrenParents/siblings inherit; partner gets nothing
Single, no childrenParents → siblings → nieces/nephews

Unmarried partners have NO automatic inheritance rights.

Intestacy Rules in Detail

Who Gets What

OrderRelatives
1Spouse/civil partner
2Children (including adopted)
3Parents
4Siblings (full blood)
5Half-siblings
6Grandparents
7Aunts/uncles
8Crown (if no relatives)

Spouse Inheritance Example

Estate ValueSpouse ReceivesChildren Receive
£300,000£300,000£0
£400,000£361,000£39,000
£500,000£411,000£89,000
£1,000,000£661,000£339,000

Spouse gets first £322,000 + 50% of remainder.

What to Include in Your Will

Essential Elements

ElementWhat to Specify
ExecutorsWho manages your estate (1-4 people)
BeneficiariesWho gets what
Specific giftsNamed items to named people
Residuary estateEverything else
GuardiansFor children under 18
Funeral wishesBurial/cremation preferences

Optional Additions

ElementConsider If
TrustsMinor beneficiaries
Letter of wishesGuidance for executors
Digital assetsOnline accounts, crypto
Business successionOwn a business
Pet arrangementsAnimal welfare

Choosing Executors

Who Should Be Executor?

Good ChoiceConsider
Trusted friend/familyWilling and capable
SolicitorComplex estates
BankFor fee (expensive)
Your beneficiariesCommon, may create conflict

Executor Responsibilities

TaskWhat’s Involved
Apply for probateLegal authority to act
Value estateInventories, valuations
Pay debts/taxesBefore distributing
Distribute estateAs per will
Keep recordsFor all transactions

Being executor is significant work — ask before naming someone.

Guardians for Children

Key Points

IssueGuidance
Both parents dieCourt follows your wishes
Only one diesSurviving parent is guardian
DivorcedSurviving biological parent usually
Age of guardianConsider their ability long-term
Backup guardianIn case first choice can’t act

What to Consider

FactorWhy
Values alignmentYour parenting approach
LocationDisruption to children
Financial abilityCan they provide?
Existing childrenAdding more
Age and healthWill they be able?

Writing Your Will

Options

OptionCostBest For
Online services£30-100Simple estates
Will-writing services£100-300Medium complexity
Solicitor£150-500+Complex situations
Free will schemes£0Charity partnerships

DIY Will Risks

RiskProblem
Invalid executionWill fails
Ambiguous wordingDisputes
Missing witnessesInvalid
Forgetting somethingAssets go intestacy

Making It Valid

RequirementWhat’s Needed
Over 18Or married under 18
“Sound mind”Understand what you’re doing
In writingTyped or handwritten
SignedAt the end
Witnessed2 people present, both sign
Witnesses independentNot beneficiaries

Updating Your Will

When to Update

Life EventAction
MarriagePrevious will usually invalidated
DivorceRemove ex automatically as beneficiary (check)
New childrenAdd to beneficiaries
Death of beneficiaryUpdate to redistribute
Significant asset changeUpdate value/distribution
Moved countryCheck will still valid

How to Update

MethodWhen
CodicilMinor changes
New willMajor changes
Revoke oldNew will should explicitly revoke

Inheritance Tax Basics

Current Thresholds

AllowanceAmount
Nil-rate band£325,000
Residence nil-rate band£175,000
Transferable to spouseBoth bands
Maximum for couple with home£1,000,000

IHT Rate

Above ThresholdRate
Any amount40%
If 10%+ to charity36%

Avoiding IHT Through Will

MethodHow It Works
Spouse exemptionLeave to spouse (unlimited, no IHT)
Charity legaciesExempt + reduces rate
Use nil-rate bandFirst £325k free
Residence bandExtra for family home
TrustsComplex planning

Probate

What Is Probate?

ConceptExplanation
Grant of probateLegal authority to administer estate
When neededUsually over £10-15,000
Who appliesExecutors named in will
Cost£273 + legal fees if using solicitor

Probate Process

StepTypical Time
Application2-4 weeks to prepare
Grant issued8-12 weeks
Administration3-12 months
DistributionAfter debts paid

Special Situations

Blended Families

ConcernSolution
Provide for current spouse AND children from previous relationshipLife interest trust
Ensure children inherit eventuallyTrust remainder to children
Prevent new spouse inheriting everythingTrust arrangements

Business Owners

ConsiderationAction
Business successionSeparate from personal will
Business Relief (IHT)50-100% reduction possible
Shareholder agreementsCoordinate with will
Key person planningLife insurance considerations

Overseas Assets

IssueSolution
Property abroadMay need will in that country
Different inheritance lawsLegal advice essential
Tax treatiesAvoid double taxation

Key Takeaways

  1. Everyone needs a will — especially with unmarried partners or children
  2. Intestacy may not match wishes — partners can get nothing
  3. Update after life changes — marriage, divorce, children
  4. Choose executors carefully — it’s significant work
  5. Consider IHT planning — potentially save 40%
  6. Store safely — tell executors where it is

For related content, see our inheritance tax calculator, life insurance, and power of attorney guide.

Sources

  1. GOV.UK — Making a will