One plot developed in six parts. How the in-between can manifest itself as new modes of collaborative citymaking.

1. Cooperative
development
in Buiksloterham

2. THE HACKABLE CITY

3. New modes of collaborative citymaking

4. New modes of collaborative citymaking

6. 1 PLOT IN 6 PARTS

7. Governable and malleability

8. 1. Over-indebtedness: lending capacities were increased
and banks were prepared to finance construction
without capital;
2. Mainly higher priced housing was built;
3. Integral approach made equalization possible, leading
to complexity in projects;
4. Vulnerable sector due to wrong incentives: fast money,
little quality;
5. Demand-driven.
5 unhealthy circumstances

9. Large task

10. Amsterdam supports collectives

11. Can we match those things?

12. 1 plot 6 parts

13. • Area promotion
• Earthworks
• Site (cranes, office)
• evt. Parking
• Sustainability
• Share knowledge
Separately together

14. TOP-DOWN TUSSENMAAT
BOTTOM-UP

15. Benefits
• ECONOMIC: more money in quality (as fast as normal,
security of professional guidance and finance, adaptive
thus more resilient;
• QUALITY: more sustainable, high end materials, high
spaces and large outdoor space;
• SOCIAL: diversity of buyers, large involvement,
community building during process
• CULTURAL: connects to do-it-yourself wishes of buyers
• POLITICS AND GOVERNANCE: cooperation and share
knowledge

16. How to transfer lessons learned?

17. INDICATORS

18. ECONOMIC:
• cost and benefits
• flexibility and adaptivity
• risks
• duration
• amount of houses
QUALITY:
• sustainability and innovation
• materials
• diversity (amount of choices)
• height
• outdoor space
Indicators
SOCIAL:
• demand- or supply driven
• involvement
• diversity (inhabitants)
• customer satisfaction
• collectivity
ORGANISATION:
• target or result oriented
(outcome vs output)
• public-private cooperation
• self-organisation
• financing and financiers

19. ECONOMIC - cost
value for
money

20. land prices 2013
house average €467 / m2 BVO (excl tax)
app average €291 / m2 BVO (excl tax)
land prices 2016
house average €729,5 / m2 BVO (excl tax)
app average €658 / m2 BVO (excl tax)
ECONOMIC – benefit soil

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Johan van Hasseltkade 298
1032 LP Amsterdam
Bewaren
� 899.000 k.k. Maandlasten berekenen
now
€4500 / m2 GBO
originally
€2646 / m2 GBO
ECONOMIC – benefit real estate

22. adaptive in
initiative and
delivery moments
ECONOMIC – flexibility during process

23. flexible
floor plans
ECONOMIC – flexibility during sale and resale

24. 1. Sales risk: smaller because buyers are involved early on
2. Process risk: at different moments, one time development
3. Planning risk: smaller when involving neighborhood and buyers
4. Development risk: smaller, adaptive process > some risks are
unavoidable in any development, fe with innovations in
sustainability and the communication with owners.
5. Resale risk: larger, custom design, but flexible and appreciation for
quality > based on taxation Patch 22 this risk is unconfirmed.
ECONOMIC - risks

25. as fast as
normal even in
a weak market
and early
involvement
ECONOMIC - duration

26. same number
of houses
1 big
development
6 small
buildings
ECONOMIC – amount of houses

27. QUALITY - sustainability
2x more
sustainable
extra possibilities
through
collaboration

29. QUALITY - innovation
Patch 22, highest
wooden apartment
building in NL
Blackjack,
linked units
ELTA, isolation
system
Noord4Us,
communal m2 in
budget

30. QUALITY - materials
high end materials

31. QUALITY - diversity
EXAMPLE BLACKJACK:
50% 45 m2
25% 100 m2
20% 150 m2
5% 200 m2
195 apartments/lofts/studios
33 (live-) workspaces
7 family houses / maisonettes
+
= 235 houses

32. Example ELTA 1
building, 12
different houses
QUALITY - diversity

33. QUALITY - height

34. QUALITY – outdoor space
2 meter wide
balconies
150 m2 apartment,
78 m2 outdoor space

35. SOCIAL – demand- or supplydriven
Source: Lay-out 21 Ruimte voor de Tussenmaat,
December 2012

36. “It is really nice to
meet your neighbors
early on. Looking back I
would have done more
collectively.”“Involvement was a
criteria, sustainability
a bonus.”
“Neigbors help eachother
out with problems. Within
the VVE special knowledge
groups are created”
SOCIAL – involvement

37. “I liked filling
in the details.”
“The open process
makes me feel at
home within the
project.”
SOCIAL – involvement

38. SOCIAL – diversity

39. collective
spaces
SOCIAL – collectivity

40. Source: DBMI, Nirov en Nieuwbouw Nederland
Nieuwbouw in de toekomst: meer keuzevrijheid en slimme
begeleiding voor de woonconsument, januari 2012
15%
30%
55%
build and design at own discretion
fill in standard house
freedom of choice, but not the client
SOCIAL – customer satisfaction

41. 15%
30%
55%
Pioneers, influence on building and process
Hooked, influence on apartment
Entrain, limited influence
SOCIAL – customer satisfaction

42. “De communicatie was
net optimaal, soms wist ik
niet waar ik terecht kon
met vragen.”
“The dedication of the
architect was really
special. We felt there was
a lot of love put into the
project.”
“The design is
beautifully detailed.”
“Such a slow growing
area stays mixed and
edge, not everything
brand new.”
“We trusted a
good outcome.”
“We forgot we were
allowed to have housing
wishes.”
“We were lucky to have
the time to adept en make
choices in a calm tempo.”
SOCIAL – customer satisfaction

43. Amsterdam Noord
Buiksloterham
kavelnummer
BSH21E
Voorbeelduitwerking
Kavelinformatie
Type ontwikkeling: Collectief Particulier Opdrachtgeverschap (CPO)
Kaveltype: Wonen (semi-grondgebonden/appartementen) en Werken
Kavelgrootte: 719,4 m2
(16,5 m. x 43,6 m.)
Maximaal bouwoppervlak: 2.014,3 m2
b.v.o.
Niet-woonfuncties: minimaal 20% werkfuncties (zie bijlage a.)
Prijs van de kavel: € 525.000,- (excl. BTW)
Levering grond: 01-01-2013
Wat wordt geleverd: bouwrijpe grond, geschikt voor de functie
Informatie: Projectbureau Noordwaarts, zelfbouw@noordwaarts.nl,
tel.: 020 630 6300, www.noordwaarts.nl/projecten/buiksloterham/zelfbouw
Bijlagen (via website)
b. coördinatentekening
c. maaiveldhoogtekaart
d. menukaart klimaatneutraal bouwen
e. bodem en milieu
f. restricties heien
g. maximaal aantal woningen langs straatzijde i.v.m. hogere grenswaardenbesluit (geluidhinder)
ORGANISATION –
target or result oriented

44. ORGANISATION –
public private cooperation
from…
…to

45. ORGANISATION –
focus on values

46. ORGANISATION –
self-organization

47. ORGANISATION –
financing and financiers

48. Summary
adaptivity in
initiative and
delivery moments
and flexibel
floorplans
instead of one big
development
diversity in
living choices

49. SCOREBOARD

50. ECONOMIC BELEEF BSH DE SLUISBUURT, ZEEBURGEREILAND
cost and benefits + +
flexibility and adaptivity ++ -
risks +/- +/-
duration + +
amount of houses + ++
QUALITY
sustainability and innovation ++ ?
materials + ?
diversity (amount of choices) ++ +/-
height + -
outdoor space ++ +/-
SOCIAL
demand- or supply driven demand supply
involvement ++ -
diversity (inhabitants) + -
customer satisfaction + ?
collectivity + -
ORGANIZATION
target or result oriented target result
public-private cooperation collective institutional
focus on values + +/-
self-organization + -
financing and financiers constructor (back-up), architect (hours) investor
Scoreboard

51. New modes of collaborative citymaking