Due to the requirement to demonstrate financial feasibility of policy proposals and scheme-specific planning obligations, development viability and development appraisal have become core themes in the UK planning system. Whilst there is an array of variations of the residual model that can be...

This paper investigates the effect of choices of model structure and scale in development viability appraisal. The paper addresses two questions concerning the application of development appraisal techniques to viability modelling within the UK planning system. The first relates to the extent to...

This paper extends the debate on the effects of client influence on external valuations. We augment prior research based on interview or experimental evidence by analysing the UK real estate downturn starting in 2007. This period forms a natural experiment of valuation influence in that...

In the context of its increasing use in policy formulation regarding planning obligations, we discuss a number of problematic issues in the application of development viability appraisal modelling in the UK planning system. The increased use of planning obligations to provide affordable housing...

There is a substantial literature which suggests that appraisals are smoothed and lag the true level of prices. This study combines a qualitative interview survey of the leading fund manager/owners in the UK and their appraisers with a empirical study of the number of appraisals which change...

The aim of this paper is to critically examine the application of development appraisal to viability assessment in the planning system. This evaluation is of development appraisal models in general and also their use in particular applications associated with estimating planning obligation...

There is a substantial literature which suggests that appraisals are smoothed and lag the true level of prices. This study combines a qualitative interview survey of the leading fund manager/owners in the UK and their appraisers with a empirical study of the number of appraisals which change...