Other tools NBS offers a range of tools for specification and collaboration National BIM Library The most trusted BIM Library in the UK, certified to the internationally-recognised NBS BIM Object Standard Uniclass 2015 A dynamic and unified classification system for the construction industry covering all sectors Construction Information Service (CIS) A comprehensive online collection of construction related standards, regulations, technical advice and articles Plug-ins NBS provides a range of tools to help connect your CAD model to your specification model
Platform Resources Support Events About TheNBS.com Manufacturers Uniclass 2015 Get in touch

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Guide to standards and tolerances 2026

Publication Year

2026

Document Status

Current

Abstract

Recognised benchmarks for assessing the quality of domestic building work to help consumers and building practitioners understand what is considered acceptable workmanship and what may fall outside acceptable tolerances.

Document History

Published 14 July 2026 by the Office of the State Building Surveyor of the State of Victoria government, trading as the Building and Plumbing Commission (BPC). Supersedes the 2015 edition, published by the Victorian Building Authority.

Publisher Information

Building and Plumbing Commission

The Building and Plumbing Commission (BPC) is the State of Victoria's regulator for the building and plumbing industries, established to simplify the building system, strengthen consumer protections, support practitioners and uphold confidence and integrity across the industry.