How to get there?

The simplest / fastest is

(1) London Heathrow: Heathrow Express train to London Paddington (15 minutes)

(2) London Paddington: train to Didcot Parkway (probably final destination Bristol, Cardiff, Swansa or Oxford) (45 minutes)

(3) Didcot Parkway: Taxi to Coseners' House (10 minutes)

Maps   1    2     How to get to RAL and Coseners House