Useful Information Guide BG 87/2024
BG 87/2024 serves as a comprehensive reference manual for building services projects. From CO2 emissions factors to compliance criteria with Part L of the Building Regulations, this guide offers a wealth of indispensable information. Notably, BG 87/2024 features an enhanced building services glossary, aiding professionals in navigating industry terminology, alongside valuable updates on resilience classifications for data centres.
This guide provides useful reference information for building services projects. This includes CO2 emissions factors and criteria for compliance with Part L of the Building Regulations.
![]() |
Download the sample preview to view the full table of contents.
This guide partly replaces BG 9/2011 Rules of Thumb 5th Edition. Information has been updated based on consultation with designers and manufacturers. An enhanced building services glossary has been added, defining key terms for the industry, and new information has been included on resilience classifications for data centres and noise ratings.
Superseding BG9/2011
This article originally appeared on the BSRIA news and blog site as "Introducing our New BSRIA Guides: BG84/85/86/87" dated February 2024.
--BSRIA
[edit] Related articles on Designing Buildings.
- Approved document L.
- BSRIA articles.
- BSRIA definitions.
- BSRIA.
- Building services.
- Building design process.
- ECA articles.
- Electrical engineer.
- Illustrated Guide to Mechanical Building Services.
- Mechanical and electrical.
- Mechanical, electrical and plumbing MEP.
- Mechanical and electrical.
- New building services publications set to revolutionise design practices.
- Rules of Thumb - Guidelines for building services.
- Space and Weight Allowances BG84 2024.
Featured articles and news
The UK's Modern Industrial Strategy: A 10 year plan
Previous consultation criticism, current key elements and general support with some persisting reservations.
Building Safety Regulator reforms
New roles, new staff and a new fast track service pave the way for a single construction regulator.
Architectural Technologist CPDs and Communications
CIAT CPD… and how you can do it!
Cooling centres and cool spaces
Managing extreme heat in cities by directing the public to places for heat stress relief and water sources.
Winter gardens: A brief history and warm variations
Extending the season with glass in different forms and terms.
Restoring Great Yarmouth's Winter Gardens
Transforming one of the least sustainable constructions imaginable.
Construction Skills Mission Board launch sector drive
Newly formed government and industry collaboration set strategy for recruiting an additional 100,000 construction workers a year.
New Architects Code comes into effect in September 2025
ARB Architects Code of Conduct and Practice available with ongoing consultation regarding guidance.
Welsh Skills Body (Medr) launches ambitious plan
The new skills body brings together funding and regulation of tertiary education and research for the devolved nation.
Paul Gandy FCIOB announced as next CIOB President
Former Tilbury Douglas CEO takes helm.
UK Infrastructure: A 10 Year Strategy. In brief with reactions
With the National Infrastructure and Service Transformation Authority (NISTA).
Ebenezer Howard: inventor of the garden city. Book review.
The Grenfell Tower fire, eight years on
A time to pause and reflect as Dubai tower block fire reported just before anniversary.
Airtightness Topic Guide BSRIA TG 27/2025
Explaining the basics of airtightness, what it is, why it's important, when it's required and how it's carried out.
Construction contract awards hit lowest point of 2025
Plummeting for second consecutive month, intensifying concerns for housing and infrastructure goals.
Understanding Mental Health in the Built Environment 2025
Examining the state of mental health in construction, shedding light on levels of stress, anxiety and depression.