The beauty or the beast?
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The beauty or the beast? Obsolescence and structural vacancy in the case of Amsterdam - work in progress -. Paper by: Hilde Remøy Philip Koppels Hans de Jonge. Supply and absorption. Total supply. Total absorption. Net absorption. Leegstand in Amsterdam. Office scan.

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The beauty or the beast? Obsolescence and structural vacancy in the case of Amsterdam- work in progress -

Paper by: Hilde Remøy

Philip Koppels

Hans de Jonge


Supply and absorption

Total supply

Total absorption

Net absorption



Office scan

200 office buildings in Amsterdam

105 buildings with structural vacancy

55 buildings with more than 30% structural vacancy

Structural vacancy: The data were collected in 2007, office space that was vacant for 3 or more years was considered structurally vacant

Logistic regression: Building and location characteristics relationship to structural vacancy



Variables

Baum (1991,1997), recognises building quality, defined by obsolescence related factors (configuration, internal specification and external appearance) and physical deterioration, to be a better explanation of rental value and depreciation than simple age.


Variables

Year of construction

Configuration

Internal specification

External appearance

Additional location variables

Plot and location quality

Accessibility

Amenities

Functional mix


Model

Logistic regression,

Dependent variable >=30% structural vacancy

Model developed starting with basic factors, adding obsolescence factors and finally plot- and location factors


Model

Year of Construction

The reference category is 1995-2009


Model

Obsolescence factors

The reference category for quality is excellent, for material natural stone


The reference category for for entrance spatiality is >15, for structural grid <=5.4, quality is excellent, for material natural stone


Model for structural grid <=5.4, quality is excellent, for material natural stone

Obsolescence and Year of Construction


The reference category for Construction year is 1995-2009, for entrance spatiality >15, for quality excellent, for material natural stone


Model for entrance spatiality >15, for quality excellent, for material natural stone

Obsolescence, basic and location factors


The reference category for Construction year is 1995-2009, for entrance spatiality >15, for quality excellent, for material natural stone


Conclusion: Beauty for entrance spatiality >15, for quality excellent, for material natural stone

Model improves for each block of factors added.

The model including Year of construction AND obsolescence factors is a stable basic model: obsolescence and YoC stay important for the model also when location characteristics are added.

Buildings with poor facade quality have a higher risk for structural vacancy!


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