How to calculate head office overheads and profit
Contents |
[edit] Introduction
The Society of Construction Law Delay and Disruption Protocol, 2nd edition, published in February 2017 by the Society of Construction Law (UK) describes three different ways for calculating head office overheads and profit:
[edit] Hudson formula
(Overheads & profit / 100) x (contract sum x period of delay / contract period)
Overheads & profit: head office overheads and profit percentage in tender.
[edit] Emden formula
(Overheads & profit / 100) x (contract sum x period of delay / contract period)
Overheads & profit: head office overheads and profit percentage (actual).
[edit] Eichleay formula
- Step 1: Establish the head office overhead costs attributable to the contract by dividing the final contract sum (excluding the claim for head office overhead) by the total revenue for the contract period, then multiply the result by the total head office overhead costs incurred during the actual period of performance of the contract.
- Step 2: Divide the resulting figure by the number of days of actual performance of the contract, to establish a daily rate.
- Step 3: Multiply the resulting figure by the number of days compensable delay.
Ref https://www.scl.org.uk/resources/delay-disruption-protocol
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
Exchange for Change for UK deposit return scheme
The UK Deposit Management Organisation established to deliver Deposit Return Scheme unveils trading name.
A guide to integrating heat pumps
As the Future Homes Standard approaches Future Homes Hub publishes hints and tips for Architects and Architectural Technologists.
BSR as a standalone body; statements, key roles, context
Statements from key figures in key and changing roles.
ECA launches Welsh Election Manifesto
ECA calls on political parties 100 day milestone to the Senedd elections.
Resident engagement as the key to successful retrofits
Retrofit is about people, not just buildings, from early starts to beyond handover.
Plastic, recycling and its symbol
Student competition winning, M.C.Esher inspired Möbius strip design symbolising continuity within a finite entity.
Do you take the lead in a circular construction economy?
Help us develop and expand this wiki as a resource for academia and industry alike.
Warm Homes Plan Workforce Taskforce
Risks of undermining UK’s energy transition due to lack of electrotechnical industry representation, says ECA.
Cost Optimal Domestic Electrification CODE
Modelling retrofits only on costs that directly impact the consumer: upfront cost of equipment, energy costs and maintenance costs.
The Warm Homes Plan details released
What's new and what is not, with industry reactions.
Could AI and VR cause an increase the value of heritage?
The Orange book: 2026 Amendment 4 to BS 7671:2018
ECA welcomes IET and BSI content sign off.
How neural technologies could transform the design future
Enhancing legacy parametric engines, offering novel ways to explore solutions and generate geometry.
Key AI related terms to be aware of
With explanations from the UK government and other bodies.
From QS to further education teacher
Applying real world skills with the next generation.




















