Short answer: yes. An executor can inherit under the will they administer, and in most family wills they do. The most common arrangement in England and Wales is a spouse or adult child acting as executor while also being the main beneficiary. There is no conflict in law, and usually none in practice: the person with the most at stake is often the person most motivated to administer the estate properly.
The rule people are thinking of
The confusion comes from a different rule about a different role. Under section 15 of the Wills Act 1837, a person who acts as a witness to the will, or whose spouse or civil partner does, loses any gift the will makes to them. Witnessing and executing are entirely separate. An executor who did not witness the signing keeps every penny. A beneficiary who did witness it keeps nothing, even though the will itself remains valid. The practical rule when signing your will: witnesses should be people named nowhere in the document.
Where care is still needed
- Fairness between beneficiaries. An executor-beneficiary owes duties to all beneficiaries equally, and must not favour their own interest: estate accounts, kept from day one, are the shield against later accusations.
- Buying estate assets. An executor who wants to buy something from the estate (the house, say) is on dangerous ground: the "self-dealing" rule lets other beneficiaries unwind such purchases. It needs every beneficiary’s informed consent, or a court’s blessing.
- Family tension. Where relations are already strained, appointing one sibling as sole executor and main beneficiary can light a fuse even when they behave impeccably. Appointing two executors, or an independent one, buys peace.
Payment is the other difference
Lay executors, beneficiaries or not, are unpaid unless the will says otherwise; they recover expenses only. Professional executors charge under an express clause. If your will appoints a bank or firm as executor, read the charging clause before signing: percentage-based fees quietly cost estates thousands, a point worth weighing when you compare what wills cost.
When you write your own will
Appointing your main beneficiary as an executor is normal and sensible. Name a substitute in case they cannot act, keep witnesses strictly outside the will, and the arrangement works exactly as families intend. Willful’s guided interview structures this automatically, and the solicitor review catches the witness trap before it can cost anyone their inheritance.