i cannot seem to find meta text for unitedkingdom and ireland map 895.4437
Look in the Map Thread Finder:
The available metas are all listed there next to the map threads.
Also have a read of the Tutorials regarding the installation procedure.
TomTom Tutorials & FAQ
TomTom GO 730, Navcore 9.051c, 64Mb RAM, Australia 910.4892, Bootloader: 5.5250
TomTom ONE v1, Navcore 9.170SE, 32Mb RAM, Australia 910.4892, Bootloader: 5.5244