From Ugly Duckling to Swan John Storey Centre for Building
Performance Research School of Architecture Victoria University of
Wellington New Zealand
Slide 2
Paper Outline WHAT Transformation WHY Many poor quality office
towers litter the worlds cities What do we do with them? Demolish
or Refurbish SCOPE Focus on Construction Material Stewardship
issues CONCLUSIONS Lessons learnt and their applicability
nationally and internationally
Slide 3
Background 60-80s boom time office sector 87 crash affected NZ
badly 15 years cosmetic refurbishment 2002 started building new
again
Slide 4
Background 2006 NZ Green Building Council formed 2007 Office
Building Assessment Tool 2008 NZ Government only rent 5 Star NZGBC
rated green buildings in Central Business Districts 2009 economic
slump no more new buildings for at least 4 years
Slide 5
21 Queen Street THE UGLY DUCKLING True child of the 70s Decline
and degradation Site views and location CHOICE Demolish and rebuild
OR Retain and refurbishment Refurbishment best option 5 Star
Outcome Fraction Time and Cost Photo courtesy of Peddle Thorp
Architects
Slide 6
21 Queen Street Structure and Structural Core Retention Photo
courtesy of Peddle Thorp Architects
Slide 7
21 Queen Street Bare Bones Removal of precast concrete faade
and ribbon windows Stripping out interior Photo courtesy of Peddle
Thorp Architects
Slide 8
21 Queen Street 4 extra floors added without altering existing
structure Photo courtesy of Peddle Thorp Architects
Slide 9
21 Queen Street Re-cladding with full height, high performance
double glazing system Photo courtesy of Peddle Thorp
Architects
Slide 10
21 Queen Street New Faade Photo courtesy of Peddle Thorp
Architects
Slide 11
21 Queen Street THE SWAN TRIPLE BOTTOM LINE FINANCIAL SOCIAL
ENVIRONMENTAL SUSTAINABILITY Photo courtesy of Peddle Thorp
Architects Photo courtesy of Peddle Thorp Architects
Slide 12
Conclusions o UNIVERSAL TYPOLOGY o SPECIAL CIRCUMSTANCES o CMS
o APPLICABILITY o GREEN STAR AGENDAS o VIABLE OPTION o BEST OPTION
Photos courtesy of Peddle Thorp Architects
