The nearest tube stations within walking distance are Temple (Circle and District - five minutes); Embankment (Bakerloo, Northern, Circle and District) - five minutes; Waterloo (Northern, Bakerloo, Jubilee, Waterloo and City - ten minutes); Covent Garden.
From Charing Cross, turn right outside the station and walk east along The Strand (five mins), turn right into Lancaster Place (at the Tesco Express on the corner) and walk towards Waterloo Bridge. Brettenham House is the building on your right.
From either Waterloo stations, follow signs to Waterloo Bridge, cross the river, using Waterloo Bridge, walk on the left (west) side of the bridge, Brettenham House is the first building on your left when you have crossed the river.
The coach station is at London Victoria. Change onto the Circle and District line to Embankment. Follow signs to Charing Cross and The Strand. See by train directions above for details.
From Heathrow Airport take the Heathrow Airport Express train to London Paddington. Change onto the Bakerloo line to Charing Cross and walk from there. From Gatwick Airport take the Gatwick Express train to London Victoria. Change onto the Circle and District line to Embankment, and walk from there.
See 'by train' directions above for walking instructions.