Jurisdiction(s):
United Kingdom

Key definition

BIM definition

What does BIM mean? BIM (building information modelling) describes the collaborative process and shared digital models used to create, manage and exchange information about built assets across design, construction and operation. In legal practice, it frames project information obligations, deliverables, risk allocation and rights in data and models. BIM is not defined in UK or Irish legislation or case law; usage follows industry standards (now the ISO 19650 series, previously PAS 1192) and public procurement policy (including the UK central government “BIM Level 2” requirement). Contract documentation typically includes Exchange/Employer’s Information Requirements (EIR), a BIM Execution Plan (pre- and post-contract), an Information Protocol (for example, the...

BIM in UK Construction: Definition, ISO 19650, Operation, Levels 0–3 and the UK Government Level 2 Mandate

Published by a LexisNexis Construction expert

Practice notes

Building Information Modelling, widely referred to as BIM, is gaining traction on construction projects across the UK. It represents a technology‑enabled way of working that digitally creates, stores and administers information, improving efficiency in design and construction while enhancing collaboration among the project team through information sharing. This Practice Note looks at what BIM is and, in broad terms, how it functions. Its aim is to boost efficiency in design and build and foster team collaboration...

Definition of BIM

There is no universally agreed definition of BIM. The term describes a collaborative practice centred on digitally sharing and managing information; it is not a mechanism, procedure or a particular software product. Software is Used to support project Delivery by applying defined approaches and processes to information modelling and information management. In BS EN ISO 19650‑1 (the first part of the ISO 19650 series of international standards on BIM), BIM is characterised as the use of a shared digital representation of a built asset to enable design, construction and operation processes, forming a reliable basis for decisions...

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Web page updated on 21/05/2026

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