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Published byMeghan Gilmore Modified over 8 years ago
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Development Appraisal Day 2 Exercises
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Objectives Identify sources of information for assumptions Build more detailed appraisals Understand about viability of different uses Understand complexity of real life development appraisals
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Real life appraisals………… ……….they can get complicated!
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Appraisal Inputs Sources of information 1.Employing the professionals 2.Phoning the professionals 3.Buy access to a database 4.Published research 5.Other sources
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Appraisal Inputs Gross floorspace (GIA) Gross site area Net/gross site ratio Site coverage Density
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Appraisal Inputs Net floorspace (NIA) Typical values: – Houses:100% – Flats:85% – Offices : 85% – Retail:95% – Industrial:95%
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Appraisal Inputs Value of floorspace
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Build costs Depends on design & procurement High = Grade A offices & high density flats say, £1,500psm Low = Retail warehousing & industrial say, £500psm Appraisal Inputs
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Site preparation & infrastructure Earth moving/removal Utilities Highways Demolition Remediation Flood protection etc
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Appraisal Inputs Fees & marketing/sales Core development team & additional consultants: 10 – 20% of build costs Marketing: 2-3% of value Letting agent & legals: 10% & 5% of rent Sales agent & legals: 1% & 0.5% of value Other professionals
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Appraisal Inputs Finance Costs Proportion of development costs borrowed varies Interest rate reflects: – Developer strength – Risk of development – Proportion of costs borrowed Finance drawn down
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Appraisal Inputs Other Costs External works Car Parking Developer’s contingency Code for Sustainable Homes Developer Contribution
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Appraisal Inputs Timing Some receipts received before completion Void on commercial space unless pre-let Some costs are “upfront” Build costs often assumed as “S Curve”
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Development Appraisal Exercise Notional 1 hectare site in “typical” town
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Key questions: What is the net/gross site ratio & coverage? What is the development mix? What are the values/costs of the uses? How many storeys are the buildings? What are the site acquisition costs? What other development issues are there? Development Appraisal Exercise
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Scenario 1: Office development Scenario 2: Residential & office development Scenario 3: Residential & retail development Scenario 4: Retail & leisure development Development Appraisal Exercise
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