Forge World is reporting that weather.
From their website:
We have been advised by our couriers that the current weather conditions across the United Kingdom are causing some delays to our Standard and Express delivery times. We recommend that you allow extra time for orders to reach you, and if you have any queries please contact the Customer Service team on 0115 916 8177.
The weather will also have a slight effect on delivery times to our customers outside the UK, but please rest assured that we are working as hard as possible to ensure that your orders reach you in as timely a manner as possible. Again, if you have any queries please don’t hesitate to contact us on either 011 44 115 916 8177 from the US and Canada or 00 44 115 916 8177 from much of Europe.
in the UK are delaying the delivery of orders.