I think @Darrenandrew might have stopped reading this thread (which has strayed off course a tad). That’s a shame as I think we all agree that changing the timing belt on this model* is prone to issues and best entrusted to someone very familiar with this engine. And that a more realistic budget figure (including a full service at the same time) is nearer £550.
A simple oil, oil filter and air filter change will be £200 or less, and this engine is more flexible with oil choices, compared to the rather fussy TwinAir variant.
(*With older versions of this engine was a much simpler task… which can lead to folk quoting a lower price, unaware of the fact it became more difficult and needed a special locking tool after it became a variable valve timing engine in 2014(?), which of course makes it more expensive)
A simple oil, oil filter and air filter change will be £200 or less, and this engine is more flexible with oil choices, compared to the rather fussy TwinAir variant.
(*With older versions of this engine was a much simpler task… which can lead to folk quoting a lower price, unaware of the fact it became more difficult and needed a special locking tool after it became a variable valve timing engine in 2014(?), which of course makes it more expensive)