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Estate Planning in the UK — Wills, Trusts, Probate, and Inheritance Tax

UK estate planning requires navigating inheritance tax at 40% above £325,000, the seven-year gifting rule, probate costs, and ensuring a will is legally valid. Most UK adults don't have a current will — here's why that matters and what to do.

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Educational content only — not personalized financial, legal, or tax advice.

Most UK Adults Don't Have a Will

Approximately 54% of UK adults do not have a will. Among those under 45, the figure exceeds 70%. The consequences of dying intestate in the UK are significant — particularly for unmarried couples, blended families, and anyone with specific wishes about asset distribution.

A basic will costs £150-300 through a solicitor or £30-50 online. The cost of not having one — in probate delays, family disputes, and assets going to unintended recipients — vastly exceeds this.

This connects to The Financial Shield and to spousal estate planning.

What Happens Without a Will

England and Wales intestacy rules distribute your estate in a fixed order:

  • Spouse/civil partner receives the first £322,000 plus half of the remainder; children share the other half
  • No spouse: children inherit everything equally
  • No children: parents, then siblings, then more distant relatives
  • Unmarried partner: receives nothing regardless of relationship length

If you want your unmarried partner to inherit, your children to inherit unequally, or anything to go to friends, charities, or step-children — only a will achieves this.

Making a Valid Will in the UK

Requirements for a valid will in England and Wales:

  • Must be in writing
  • Signed by the testator
  • Signed in the presence of 2 independent witnesses simultaneously
  • Witnesses must also sign in the testator's presence
  • Witnesses (and their spouses) cannot benefit from the will

Getting a witness wrong invalidates the will entirely. DIY wills are a false economy if errors mean they're challenged or invalid.

Inheritance Tax Planning

See the detailed IHT breakdown in our inheritance article. Key planning strategies:

Seven-year gifting: Gifts made more than 7 years before death are completely exempt from IHT. A grandparent in good health at 65 can make significant gifts with low statistical IHT risk.

Annual exemption: £3,000/year per person can be given free of IHT immediately. Unused allowance carries forward one year (maximum £6,000).

Business Property Relief (BPR): Shares in qualifying unquoted businesses (including AIM-listed companies) attract 100% relief from IHT. A significant planning tool for business owners and sophisticated investors.

Agricultural Property Relief (APR): 50-100% relief for qualifying agricultural property. Relevant for farm owners.

Pension funds: Defined contribution pension funds are generally outside your estate for IHT purposes — a hugely valuable planning point. Leaving large pension funds unspent and drawing on other assets first can shelter significant wealth from IHT.

Probate in the UK

Probate (Grant of Probate if there's a will; Letters of Administration if not) is required to access most assets held in the deceased's name alone above £5,000-15,000 (varies by institution).

Costs: £273 court fee for estates over £5,000. Solicitor-managed probate: 1-3% of estate value for complex estates. DIY probate is possible and increasingly common for straightforward estates.

Timeline: 6-12 months for straightforward estates. Complex estates with IHT disputes, contested wills, or overseas assets: 12-24 months or more.

Trusts in UK Estate Planning

Discretionary trusts allow assets to be held for beneficiaries without being in their personal estate. Uses:

  • Protecting assets for young or financially vulnerable beneficiaries
  • Flexibility in distribution timing
  • IHT planning (assets in trust for 7+ years may leave the taxable estate)

Trust taxation in the UK is complex — income taxed at 45%, CGT at 20/24%, and periodic 10-year charges on trust assets above the NRB. Professional advice is essential before establishing any trust.