Net Asset Value(s)

Caledonia Investments PLC
04 August 2005





Caledonia Investments plc



Unaudited net asset value per share at 31 July 2005





Caledonia Investments plc ('Caledonia') announces that its unaudited net asset
value per ordinary share as at 31 July 2005 was 1643p.



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 2005








Caledonia Investments plc

Tim Ingram                                                    Tel: [phone]
Jonathan Cartwright

College Hill Associates

Tony Friend                                                   Tel: [phone]
Richard Pearson





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