Bay Tree House B&B Dorchester welcomes you to their family run affordable bed and breakfast in Dorchester Dorset. Bay Tree house has 9+ rooms from single, twin, double and ensuite rooms. The rooms are spacious, comfortable, light and all rooms offer either en-suite shower, sink and toilet facilities or a private bathroom with shower, bath, sink and toilet facilities. We offer single, double and twin bedded rooms; single occupancy of the double and twin is subject to availability.