Despite its commercial success, there are no plans to make further films.
However, the company has produced no further films for commercial release since 2006.
Browning has said that further films would have to be produced quickly, as the children do not age much throughout the book series.
On leaving film school Philip made a further three short films under various schemes.
As of August 2010, no further films have been novelized.
He worked on a further six films with the company between 2003 and 2007.
The Guardian reported in 2005 that he was working on two further films.
He wrote for a further 46 films and directed 25.
She died less than two years afterwards having only appeared in a single further film.
The following year he appeared in four further films, for three different production companies.