“…7 A recent report ( Langdon, 2010 ) suggests that the additional cost of building a property to the SBD standard may be much lower than the £ 795 suggested by Armitage (unpublished) In addition to evaluations of the SBD scheme as a whole, there has been an abundance of studies that have revealed that the principles upon which SBD is based each work to reduce crime, disorder and the fear of crime. These include: increasing physical security ( Cromwell and Olson, 1991 ;Budd, 2001 ;Armitage, 2006 ); minimising access, through-movement and connectivity ( Rubenstein et al , 1980 ;Taylor and Gottfredson, 1987 ;Van der Voordt and Van Wegen, 1990 ;White, 1990 ;Poyner and Webb, 1991 ;Matthews, 1992 ;Atlas and LeBlanc, 1994 ;Beavon et al , 1994 ;Newman, 1995Newman, , 1996Bevis and Nutter, 1977 ;Lasley, 1998 ;Mirlees-Black et al , 1998 ;Rengert and Hakim, 1998 ;Zavoski et al , 1999 ;Hakim et al , 2001 ;Taylor, 2002 ;Nubani and Wineman, 2005 ;Armitage, 2006 ;Yang, 2006 ;Johnson and Bowers, 2010 ); increasing surveillance ( Reppetto, 1974 ;Winchester and Jackson, 1982 ;Brown and Altman, 1983 ;Coleman, 1986 ;Taylor and Gottfredson, 1987 ;Van der Voordt and Van Wegen, 1990 ;Cromwell and Olson, 1991 ;Brown and Bentley, 1993 ;Groff and LaVigne, 2001 ); and managing and maintaining developments …”