All costs are Net Present Value that is they are estimates of future costs in today's dollars.

 

Land Use and HousingBusiness as Usual OptionOption AOption BOption C

Locations for new housing

79% new subdivisions
(Spread across districts in towns and rural subdivisions)

21% urban renewal
(Christchurch inner suburbs)

40% new subdivisions
(Around edge of towns and Christchurch )

60% urban renewal
(Christchurch Central City and inner suburbs; Rangiora, Kaiapoi and Rolleston)

62% new subdivisions
(Southwest of Christchurch to Selwyn, in Waimakariri around existing towns)

38% urban renewal
(Urban centres in Christchurch and towns)

90% new subdivisions
(Southwest from Halswell to Rolleston, North of Waimakariri River and Lyttelton harbour)

10% urban renewal
(Christchurch City)

New Housing

  • Type
  • Choice
  • Mixture of housing types:49,000 houses on medium to large sections 13,000 townhouses and apartments
  • Some choices in most locations
  • Mostly dwellings without gardens:37,000 townhouses and apartments in urban renewal 25,000 houses on small to medium sections
  • Good choices in inner suburbs
  • Townhouses and apartments around urban centres with houses in new subdivisions:38,000 houses on medium sized sections 24,000 townhouses and apartments
  • Good choices in most locations
  • Mostly houses, some townhouses and apartments:56,000 houses on medium to large sections 6,000 townhouses and apartments
  • Good choices in new subdivisions

Land to house 120,000 more people

4,920 hectares - equivalent land area to 26 Hagley Parks

2,110 hectares - equivalent land area to 11 Hagley Parks

(uses 43% less land than Business as Usual)

3,900 hectares - equivalent land area to 21 Hagley Parks

(uses 20% less land than Business as Usual)

6,850 hectares - equivalent land area to 36 Hagley Parks

(uses 40% more land than Business as Usual)

Public infrastructure cost for new housing

$560 Million

$430 Million
($130 million less than Business as usual)

$480 Million
($80 million less than Business as Usual)

$580 Million
($20 million more than Business as Usual)

 

TransportBusiness as Usual OptionOption AOption BOption C

Congestion

  • Increase
  • Cost to avoid increase
  • Impact on travelling times
  • Congestion increases 320%
  • $2 billion to avoid increase
  • Commute takes 55% longer 30 minute trip takes 47 minutes
  • Congestion increases 190%
  • $1.9 billion to avoid increase ($100 million less than Business as Usual)
  • Commute takes 45% longer 30 minute trip takes 44 minutes
  • Congestion increases 290%
  • $2 billion to avoid increase (same as Business as Usual)
  • Commute takes 50% longer 30 minute trip takes 45 minutes
  • Congestion increases 630%
  • $2.1 billion to avoid increase ($100 million more than Business as Usual)
  • Commute takes 65% longer 30 minute trip takes 50 minutes

Transport Consequences

  • Vehicle emissions
  • Energy Use
  • Motoring Costs (fuel and crashes)
  • Vehicle emissions increase 64%
  • 1.53 million litres per day (58% increase from 2001)
  • Motoring costs$3.9 billion per year (150% increase from 2001)
  • Vehicle emissions increase 49%
  • 1.39 million litres per day (45% increase from 2001)
  • Motoring costs$3.5 billion per year (135% increase from 2001)
  • Vehicle emissions increase 64%
  • 1.51 million litres per day (57% increase from 2001)
  • Motoring costs $3.9 billion per year (150% increase from 2001)
  • Vehicle emissions increase 103%
  • 1.87 million litres per day (95% increase from 2001)
  • Motoring costs$4.9 billion per day (188% increase from 2001)

Transport choices

Good in some built up areas for public transport, walking and cycling-poor for subdivisions in districts

Very good in city and inner suburbs for walking, cycling and public transport

Limited elsewhere

Very good at urban centres for walking, cycling and public transport

Public transport to new developments

Poor for people in new developments limited public transport walking and cycling not practical

 

Community IdentityBusiness as Usual OptionOption AOption BOption C

Community Facilities

Few facilities for residents in new subdivisions - have to drive to existing facilities

Good range of facilities in easy access for residents of central and inner suburbs

Good range of facilities in easy access for residents at urban centres in Christchurch and towns

Few facilities for residents in new subdivisions - have to drive to existing facilities

 

Natural EnvironmentBusiness as Usual OptionOption AOption BOption C

Water use by 500,000 people

3,042 litres per second
(45% increase from 2001

2,830 litres per second
(35% increase from 2001

2,924 litres per second
(40% increase from 2001

3,240 litres per second
(55% increase from 2001

Natural Disasters

  • Risk
  • Response
  • Mixture of increased risk in inner Christchurch and reduced risk in outer areas
  • Good in built up areas and poor in outer areas
  • Increased risk by concentrating people in areas most affected by earthquakes, flooding and tsunami
  • Faster response times
  • Increased risk around urban centres in eastern Christchurch - reduced risk for others e.g. Lincoln
  • Good response times if emergency services based at urban centres
  • Low risk with population in areas less affected e.g. Rolleston and Rangiora
  • Difficult to respond with greater distances to travel on congested roads

Parks / open space

Good for neighbourhood parks in new developments

Good for regional parks outside urban areas

Good for network of regional parks

Good for neighbourhood parks in new developments