PassWorth
Iconic UK heritage sites and theme park landmarks

Is an Annual Pass Worth It? Calculate Before You Buy.

Annual memberships cost £70 to £300. A single day ticket costs £15 to £60. Most people never do the maths. Our calculators show the exact break-even point for every major UK attraction pass.

No account required. Updated every April. Independent and unbiased.

How It Works

  1. Pick your pass

    Choose the membership you are thinking of buying.

  2. Enter your details

    Adults, children, planned visits, and whether you drive.

  3. See your saving

    Get the break-even point and whether the pass pays for itself.

Calculate Your Break‑Even Point

  • National Trust

    Compare National Trust annual membership against day tickets and parking for your household.

    Calculate →

  • English Heritage

    Compare English Heritage annual membership against castle and historic-site day tickets.

    Calculate →

  • Merlin Annual Pass

    Compare Merlin Annual Pass prices against peak gate tickets for Alton Towers, LEGOLAND, and more.

    Calculate →

  • RHS Gardens

    Coming Soon

    Break-even maths for Wisley, Hyde Hall, and more.

  • CADW

    Coming Soon

    Welsh castles and historic sites, priced against day tickets.

    Read the CADW vs English Heritage guide →

  • Chester Zoo

    Coming Soon

    Annual pass vs day tickets for one of the UK's busiest zoos.

Popular Comparisons

Why We Built PassWorth

We got tired of reading 2,000-word blog posts that never gave a straight answer. PassWorth is a calculator, not an opinion piece. We update prices every April. We show our working. We tell you when a pass is NOT worth it, because honesty earns trust faster than hype.

  • Prices verified against official sites
  • Updated annually
  • No account required
  • Independent and unbiased