Net Asset Value(s)

Caledonia Investments PLC
04 August 2006



Caledonia Investments plc


Unaudited net asset value per share at 31 July 2006


Caledonia Investments plc ('Caledonia') announces that its unaudited net asset
value per ordinary share as at 31 July 2006 was 1950p.


The monthly reported net asset value per ordinary share, together with
performance statistics and information on the valuation of principal
investments, is now available on Caledonia's website at www.caledonia.com.



                                                                  04 August 2006



Caledonia Investments plc                                   Tel: [phone]

Tim Ingram
Jonathan Cartwright

College Hill Associates                                     Tel: [phone]

Tony Friend
Richard Pearson





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