Merlin Entertainments said although visitor numbers are yet to hit the 2014 levels before the incident on The Smiler ride, they are growing, as is like-for-like revenue on a year-on-year basis.

Meanwhile, new accommodation at Chessington World of Adventures has helped drive overall revenue growth of 10.2%.

Overseas, it said the Legoland Parks Operating Group is continuing “to perform well against tough comparatives in the prior period, but also reflects a softer performance in Legoland Florida”.

A trading update for the 38 weeks to September 17 released today stated: “The tourism market in Florida has been affected by a number of issues in 2016, including terrorism and the Zika virus.”

Elsewhere additional accommodation in Legoland Deutschland has supported total revenue growth of 13%.

The group also said trading in its Midway Attractions Operating Group remains difficult due to ongoing security issues.

It means Merlin can overall report growth at actual FX is 10.6% (3.7% at constant currency), leading to a like for like growth of 1.3%.

Nick Varney Merlin Entertainments chief executive, said: “Merlin continues to deliver overall revenue growth despite challenging trading conditions in certain key markets, testament to a diversified portfolio and a strong new business development strategy across all three operating groups.”