Last edited 25 Mar 2026

Construction industry acronyms - B

This article presents a list of construction industry acronyms beginning with 'B'.

For other letters click on the list below:

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

[edit] B

B - Boiler / Bathroom / Bidet

B/ - Bottom (of)

B2B - Business to Business

B2C - Business to Consumer

B2G - Business to Government

B4L12 - Building for Life 12

BaBCWT - Birmingham and Black Country Wildlife Trust

BAC - Budget At Completion

BACNET - Building Automation and Control NETwork

BACS - Building Automation and Control System

BADR - Business Asset Disposal Relief

BAF - Biological Aerated Filters

BAFO - Best And Final Offer

BAILII - British and Irish Legal Information Institute

BAMB - Building As Material Banks

BAME - Black, Asian And Minority Ethnic People

BAP - Biodiversity Action Plan

BAPV - Building applied photovoltaic.

BAS - Biodiversity Alert Site

BAS - Building Automation System

BASIR - Built Asset Security Information Requirements

BASMP - Built Asset Security Management Plan

BASS - Built Asset Security Strategy

BAT - Best Available Technique

BAT - Best Available Technique.

BATNEEC - Best Available Techniques Not Entailing Excessive Cost

BAU - Business As Usual

BB - Building Bulletin

BBA - British Board of Agrément

BBP - Better Buildings Partnership

BBSBD - British Bryological Society Bryophyte Database

BC - Base Coat (paint)

BC - Before Christ

BC - Black Carbon

BC - Building Control (by Statute Law & Regulation) - See BCB

BCA - British Cement Association.

BCA - Building Control Authority

BCAM - Bridges Condition Asset Management

BCB - Building Control Body. (an Approved inspector or the Local Authority Building Control)

BCC - British Ceramic Confederation

BCCL - The Bridgewater Canal Co Ltd

BCECA - British Chemical Engineering Contractors Association

BCF - BIM Collaboration Format

BCIS - Building Cost Information Service

BCM - Business critical model

BCMC - British Cable Makers Confederation

BCMI - Bridge Condition Marking Index

BCO - British Council For Offices

BCO - British Council of Offices

BCO - Building Control Officer

BCR - Benefit

BCR - benefit-cost ratio

BCW - Boosted Cold Water

BCWP - Budgeted Cost of Work Performed

BCWS - Boosted Cold Water Services

BCWS - Budgeted Cost of Work Scheduled

BDY - Boundary

BECCS - Bioenergy with Carbon Capture and Storage

BECD - Built Environment Carbon Database

BECI - Built Environment Construction Industry

BEEF - British Energy Efficiency Federation

BEEP - BOMA Energy Efficiency Program

BEIS - (Department For) Business, Energy And Industrial Strategy

BEM - Building Energy Management.

BEM - Building Energy Model.

BEMS - Building Energy Management Systems

BEP - BIM Execution Plan

BER - Building Emission Rate

BeST - Benefits of SUDS Too

BESS - British Energy Security Strategy

BESS - Battery Energy Storage Systems

BEV - Battery Electric Vehicle

BF - Basement Floor

BFI - Base Flow Index

BFIHOST - Base Flow Index Derived Using The Host Soil Classification

BFM - Business Focused Maintenance

BFRC - British Fenestration Rating Council

BG - British Gypsum

BGL - Below Ground Level

BGS - British Geological Survey

BH - Beam Height

BH - Bore Hole.

BHF - Brownfield Housing Fund

BHIS - Built Heritage Investment Scheme

BHL - Building for a Healthy Life

BHSS - British Health and Safety Society

BHW - Boosted Hot Water

BHWS - Boosted Hot Water Services

BIAT - British Institute of Architectural Technologists

BIBA - British Insurance Brokers’ Association

BICoF - Code of Conduct Building inspector competence framework

BiCRS: Biomass Carbon Removal and Storage

BID - Background Information And Data

BID - Bipartisan Infrastructure Deal

BIEG - BIM Interoperability Expert Group

BIFM - British Institute of Facilities Management now The Institute of Workplace and Facilities Management (IWFM)

BIG - Back Inlet Gully

BILD - Building Insurance Latent Defects

BIM - Building Information Modelling

BIM LOD - Building Information Modelling Levels of Development

BINDT - British Institute of Non-Destructive Testing

BIPV - Building Integrated Photovoltaic

BIPV - Building Integrated Photovoltaic Ventilation

BIS - Department for Business Innovation and Skills

BIU - Beam In Use

BJC - Business Justification Case

BLK - Blockwork

BLM - Building Lifecycle Management

BLO - Building liability order

BLR - Building Law Reports

BLRF - Brownfield Land Release Fund.

BLS - British Lichen Society

BLT - Build lease transfer

BM - Balancing Mechanism

BM - Bending Moment.

BMGV - Biological Monitoring Guidance Values (See COSHH)

BMP - Best Management Practice

BMS - Battery management system

BMS - Benefits Management Strategy

BMS - Bridge Management System

BMS - Building Management Services/ System

BMTA - British Measurement and Testing Association

BMU - Balance Mechanism Unit

BMU - Building Maintenance Units

BMV - Best And Most Versatile (Agricultural Land)

BMWP - Biological Monitoring Working Party

BNG - Biodiversity Net Gain

BNS - Biological Notification Site

BOAT - Byway Open To All Traffic

BoCC - Birds Of Conservation Concern

BOD - Basis of Design.

BOD - Biochemical Oxygen Demand

BOD - Bottom of Duct

BOD - Burden of Disease

BOH - Back of House

BOM - Bill of Materials

BOOT - Build Own Operate Transfer

BOP - Balance of plant

BOP - Bottom of Pipe

BOQ - Bill of Quantities

BOS - Bottom of Steel / Slab

BOS - Building Operating System

BOT - Bottom

BOT - Build Operate Transfer

BOTDA - Brillouin Optical Time Domain Analysis

BOTDR - Brillouin Optical Time Domain Reflectometer

BPA - British Pipeline Agency

BPE - Building Performance Evaluation

BPEO - Best practicable environmental option

BPER - Building Primary Energy Rate

BPF - British Property Federation

BPG - Best Practice Guidance.

BPI - Building Performance Indicator

BPM - Best Practicable Means

BPN - Building Preservation Notice

BPR - Business process reengineering

BPRA - Business Premises Renovation Allowance

BPS - Blockage Potential Score

BPS - Building Performance Simulation

BPN - Building Preservation Notice

BQ - Bills of Quantities (sometimes BoQ or Bills)

BR - Building Report

BRAC - Building Regulations Advisory Committee

BRAE Regulations - Building Regulations etc (Amendment) (England) Regulations 2023.

BRE - Better Regulation Executive

BRE - Building Research Establishment

BREDEM - BRE Domestic Energy Model

BREEAM - Building Research Establishment Environmental Assessment Method

BRIC - Brazil, Russia, India and China

BriM - Bridge Information Model

BROOF (T4) - Highest UK / Euro Fire resistance class for roofs (see also CROOF, DROOF and FROOF)

BRP - Benefits Realisation Plan

BRT - Bus Rapid Transit

BRUKL - Building Regulation UK Part L report

BRW - Brick Retaining Wall

BS - Base Speaker

BS - British Standard

BSC - Balancing and Settlement Code

BSD - Building Standards Division of Scottish Government

BS EN - British Standard European Norm

BSF - Building Schools for the Future

BSI - British Standards Institute

BSIM - Building Services Information Model

BSL - Basic Safety Limit

BSM - Building Safety Manager

BSMT - Basement

BSP - British Standard Pipe

BSR - Building Safety Regulator

BSR - Business for Social Responsibility

BSRIA - Building Services Research and Information Association

BSTSA - British Surface Treatment Suppliers Association

BSUoS - Balancing Services Use of System

BT - Benefit Transfer

BT - British Telecommunications Plc

BTM - Bathroom (drawing)

BTM - Building of Townscape Merit (planning)

BTO - British Trust For Ornithology

BTR - Built to Rent

Btu - British thermal unit.

BUG - Building User's Guide

BLO - Building liability order

BUR - Built-Up Roofing

BUS - Building Use Study

BV - Best Value

BVOC - Biogenic Volatile Organic Compounds

BVP - Best Value Procurement

BW - Block Wall / Brick Wall

BW - British Waterways

BWF - Barbed Wire Fence.

BWF - British Woodworking Federation

BWIC - Builder's Work in Connection (building services)

BWICS - Builder's Work In Connection with Services

BWL - Brickwork

BWML - British Waterways Marinas Limited

BxP - BIM Execution Plan

BYND - Beyond

BYOH - Build Your Own Home

Designing Buildings Anywhere

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