If you want to find one closer you could try contacting the rescues in your area as they may do boarding or know of someone in your area... there are 2 in Royston:
Heathlands Animal Sanctuary
13 Eastfield Road, Royston, Hertfordshire, SG8 7ED
Tel: 01763 244488
The Rabbit Residence Rescue
Great Chishill, Royston
Tel: 07904 397 378
And there are a few more in cambridgeshire
Wood Green Animal Shelter
King's Bush Farm, London Road, Godmanchester, Cambs, PE29 2NH
Tel: 08701 90 40 90
Blue Cross Cambridge Centre
20 Garlic Row, Cambridge, Cambridgeshire, CB5 8HW
Tel: 01223 350 153
There are 2 rspca shelters too but i doubt they do boarding for rabbits. If you want different areas just go to the rabbit rehome site and click on list of rescues. If you do find one that does boarding.. id suggest you go and visit to check it out yourself and ask lots of questions :wink: