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12 May 2026 · 4 min read

Prenups, from celebrity novelty to mainstream planning tool

PrenupMarriage

For most of the 20th century, prenuptial agreements in the UK were seen as something for celebrities and the ultra-wealthy. That perception is changing fast, but the product hasn't kept pace with the attitude shift.

Where we are now: only 1 in 10 couples has one

Research by Handelsbanken Wealth & Asset Management found that just 10% of married couples in the UK have a prenuptial agreement. Among over-55s, 99% have no prenup. Among 18–34 year olds, uptake is significantly higher.

A 2024 survey by JMW Solicitors found that 48% of UK adults would consider a prenup, and 66% now see prenups as a force for good.

The awareness gap

Despite growing openness, the barriers remain real. Handelsbanken found that 42% of those who would consider a prenup cited lack of knowledge about the process as a barrier. And cost, a formal prenup with two solicitors typically costs £2,000–£10,000, puts it out of reach for most couples.

The legal position in England & Wales

Prenuptial agreements are not automatically legally binding in England and Wales, a court retains discretion. However, since Radmacher v Granatino (2010), courts have given prenups significant weight where both parties had independent legal advice, made full financial disclosure, and signed freely.

The alternative: a private financial agreement

A private financial agreement between partners doesn't carry the specific procedural requirements of a prenup, but it has its own legal standing as a contract between two competent adults. For most couples, the critical value isn't enforceability in an unlikely court battle. It's having a clear, signed, mutually acknowledged document that anchors any future negotiation. That's available to every couple, at any relationship stage, at a fraction of the cost of a formal prenup.

Sources

  1. Handelsbanken Wealth & Asset Management — prenup research (cited in Michelmores, Jan 2025)
  2. JMW Solicitors — 2024 Attitudes to Prenuptial Agreements Survey
  3. Supreme Court — Radmacher v Granatino [2010] UKSC 42

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