Last edited 10 Feb 2026

Construction industry acronyms - U

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

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] U

U/S - Underside

UA - Unit of Account

UAD - Urban Archaeological Database

UAS - Unmanned Aerial System

UAV - Unmanned Aerial Vehicle

UB - Universal Beam

UBC - Uniform Building Code

UC - Universal Column

UCATT - Union of Construction, Allied Trades and Technicians

UCC - Universal Copyright Convention

UCD - Unregistered Community Design

UCITS - Undertakings for Collective Investment in Transferable Securities

UCO - Town and Country (Use Classes) Order

UCO - Use Classes Order

UCR - Union Connectivity Review

UCTA - Unfair Contract Terms Act

UCWI - urban catchment wetness index

UCZ - Utilities Construction Zone

UDC - Universal Decimal Classification

UDC - Urban District Council

UDI - Useful Daylight Illuminance

UDL - Uniformly Distributed Load

UDP - Unitary Development Plan

UE - Urban exploration

UE - User experience

UEAV - Upper Exposure Action Value

UEC - Unit Energy Consumption

UEL - Upper Exposure Limit

UF - Under Floor

UF - Urea Formaldehyde

UFAD - Underfloor Air Distribution

UFAS - Unwanted Fire Alarm Signal

UfH - Underfloor Heating

uFMfSW - Updated Flood Map For Surface Water

UFS - Universal Frame System

UHI / UHIE - Urban Heat Island Effect

UHM - Ultra High Modulus

UHPC - Ultra High-Performance Concrete / Ultra high performance fibre concrete.

UI - Universal Input

UI - User interface

UID - Unique Gazetteer Identifier

UIT - Ultrasonic Impact Testing

UK - United Kingdom

UKAPIS - Uk Air Pollution Information System

UKAPIS - United Kingdom Air Pollution Information System

UKAS - United Kingdom Accreditation Service

UKCCRA - Uk Climate Change Risk Assessment

UKCCRA - United Kingdom Climate Change Risk Assessment

UKCG - UK Contractors Group

UKCIP - United Kingdom Climate Impacts Programme

UKCP - UK Climate Projections

UKCP09 - United Kingdom Climate Projections 2009

UKFS - Uk Forestry Standard

UK-GBC - UK Green Building Council

UKIB UK - Infrastructure Bank

UKSIF - UK Sustainable Investment and Finance Association

UKTA - UK Thermography Association

UKWAS - UK Woodland Assurance Standard

UKWIR - UK Water Industry Research

UL - Upper Level

ULD - Using Less Material by Design

ULEV - Ultra Low Emission Vehicle

ULS - Ultimate Limit State

UNECE - United Nations Economic Commission for Europe

UNESCO - United Nations Educational Scientific And Cultural Organization

UNFCCC - United Nations Framework Convention On Climate Change

Uniclass - Unified Classification for the Construction Industry

UNO - Unless Noted Otherwise

UO - Universal Output

UP - Ultrasonic Peening

UP - Unsaturated Polyester (paint, powder coatings, & bituminous felt)

UPC - Unacceptable Professional Conduct

UPF - Uranium Processing Facility

UPIN - Universal Persistent Identification Number

UPRN - Unique Property Reference Number

UPS - Uninterrupted Power Supply

uPVC - Unplasticated Polyvinyl Chloride (rainwater, soil & waste pipes, & roof sheeting)

UR - Urinal

URBAN - Flood Studies Report Index Of Fractional Urban Extent

URBEXT1990 - Feh Index Of Fractional Urban Extent

URBEXT2000 - Revised Index Of Urban Extent Measured Differently From Urbext1990

URBEXT2000 - Revised index of urban extent, measured differently from URBEXT1990

URF - User Related Function

URL - Uniform Resource Locator

US - metric units of R-value

US - Ultimate State

USB - Universal Serial Bus

USD - Universal Scene Description

USF - Usable Square Feet / Footage

USFB - Ultra Shallow Floor Beam

USP - Unique Selling Point

USRN - Unique Street Reference Numbers

UST - Underground Storage Tank

UT - Ultrasonic Testing

UTCCR - Unfair Terms in Consumer Contracts Regulations

UTL - Unable To Lift

UTL - Utility

UTM - Universal testing machine

UTM - Universal transverse mercator

UTS - Ultimate Tensile Strength

UV - Ultra Violet

U-value - energy efficiency value of a material

UVGI - Ultraviolet germicidal irradiation

UWC - User Worked Crossing

UWED - Use of Work Equipment Directive (EC)

UWFS - Unwanted Fire Signal

UX - User experience

UXO - Unexploded Ordnance

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