§ Ms WalleyTo ask the Deputy Prime Minister what his Department's guidelines are for the removal of red ash from beneath residential properties; and if he will make a statement. [158101]
§ Phil HopeRemoval of the red ash material is only required where unacceptable excessive movement has occurred to a dwelling's ground floor. It will result in1024W considerable disruption and expense for the property owner. The Building Research Establishment (BRE) has undertaken research and produced guidance for the Office of the Deputy Prime Minister. This guide is the Special Digest 1, "Concrete in aggressive ground" which may be purchased from BRE, Watford. It deals with problems of aggressive fill beneath floor slabs.