Net Asset Value(s)

Caledonia Investments PLC
06 September 2005


Caledonia Investments plc

Unaudited net asset value per share at 31 August 2005

Caledonia Investments plc ('Caledonia') announces that its unaudited net asset
value per ordinary share as at 31 August 2005 was 1691p.

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.


                                                               06 September 2005

Caledonia Investments plc

Tim Ingram                                                Tel: [phone]
Jonathan Cartwright

College Hill Associates

Tony Friend                                               Tel: [phone]
Richard Pearson


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