Record of amendments – acceptable solutions, verification methods and handbooks

Last updated: 9 January 2026

Help for people needing a record of amendments to acceptable solutions, verification methods and handbooks back to 1992.

Overview

This page provides an overview of how the acceptable solutions, verification methods and handbooks have changed over time. The tables below show the most recent version, the previous version and the first version that was published in the series. 

The abbreviations in the tables include:

  • Ed – Edition
  • Am – Amendment

B - Stability

  Most recent version Previous version First version
B1 Structure      
  B1/AS1 Structural provisions for buildings 2025
Ed 2
2023
Ed 1, Am 21
1992
First edition
  B1/AS3 Small chimneys 2025
Ed 2
2023
Ed 1, Am 21
1992
First edition
  B1/VM1 Structural design of buildings 2025
Ed 2
2023
Ed 1, Am 21
1992
First edition
  B1/VM2 Geotechnical design of foundations
(titled B1/VM4 prior to 2025)
2025
Ed 2
2023
Ed 1, Am 21
1992
First edition
B2 Durability      
  B2/AS1 Durability provisions for building elements 2025
Ed 3
Ed 2, Am 12 1992
First edition
  B2/VM1 Durability of buildings elements using in-service history, laboratory testing, and comparisons to similar materials 2025
Ed 3
Ed 2, Am 12 1992
First edition

C - Protection from fire

  Most recent version Previous version First version
C1 - C6 Protection from Fire
  C/AS1 Sleeping (residential) and Outbuildings (Risk Group SH) 2025
Ed 2, Am1
2023
Ed 2
2012
First edition
  C/AS2 Building other than Risk Group SH

2025
Ed 2

2023
Ed 1, Am 3
2019
First edition
  C/VM1 Solid Fuel Appliances 2023
Ed 2
2020
Ed 1, Am 5
2012
First edition
  C/VM2 Framework for Fire Safety Design 2025
Ed 2
2023
Ed 1, Am 7
2012
First edition
  C/AS2 Sleeping (non institutional)(Risk Group SM) Revoked 2019 2017
Ed 1, Am 4
2012
First edition
  C/AS3 Care or Detention (Risk Group SI) Revoked 2019 2017
Ed 1, Am 4
2012
First edition
  C/AS4 Public Access and Educational Facilities (Risk Group CA) Revoked 2019 2017
Ed 1, Am 4
2012
First edition
  C/AS5 Business, Commercial and Low Level Storage (Risk Group WB) Revoked 2019 2017
Ed 1, Am 4
2012
First edition
  C/AS6 High Level Storage and Other High Risk Purposes (Risk Group WS) Revoked 2019 2017
Ed 1, Am 4
2012
First edition
  C/AS7 Vehicle Storage and Parking (Risk Group VP) Revoked 2019 2017
Ed 1, Am 4
2012
First edition
  Most recent version Previous version First version
C Fire safety (amalgamation of C1 - C4) Revoked 2012 2011
Ed 1, Am 9
2000
First edition
C1 Outbreak of fire Revoked 2000 1998
Ed 1, Am 2
1992
First edition
C2 Means of escape Revoked 2000 1995
Ed 2
1992
First edition
C3 Spread of fire Revoked 2000 1995
Ed 3
1992
First edition
C4 Structural stability during fire Revoked 2000 1995
Ed 3
1992
First edition

D - Access

  Most recent version Previous version First version
D1 Access routes 2017
Ed 2, Am 6
2011
Ed 2, Am 5
1992
First edition
D2 Mechanical installations for access 2017
Ed 2, Am 7
2014
Ed 2, Am 6
1992
First edition

E - Moisture

  Most recent version Previous version First version
E1 Surface water 2023
Ed 1, Am 12
2020
Ed 1, Am 11
1992
First edition
E2 External moisture      
  E2/AS1 External moisture provisions for timber-framed buildings up to 10 m in height 2025
Ed 4
2020
Ed 3, Am 10
1992
First edition
  E2/AS2 External moisture provisions for earth buildings  2025
Ed 4
2020
Ed 3, Am 10
2008
Ed 3, Am 4
  E2/AS3 External moisture provisions for concrete and concrete masonry buildings 2025
Ed 4
2020
Ed 3, Am 10
2011
Ed 3, Am 5
  E2/AS4 Citation of National Association of Steel Frame Housing Enclosure Standard 2019
First edition
No previous version 2019
First edition
  E2/VM1 Cladding systems of buildings up to 10 m in height – including junctions with windows, doors and other penetrations 2025
Ed 4
2020
Ed 3, Am 10
1992
First edition
  E2/VM2 Cladding systems for buildings up to 25 m in height – including junctions with windows, door and other penetrations  2021
Ed 2
2019
First edition
2019
First edition
E3 Internal moisture 2020
Ed 2, Am 7
20017
Ed 2, Am 6
1992
First edition
  E3/AS2 Internal Wet-area Membrane Systems  2020
First edition
No previous version 2020
First edition

F - Safety of users

  Most recent version Previous version First version
F1 Hazardous agents on site 2001
Ed 1, Am 1
1992
First edition
1992
First edition
F2 Hazardous building materials 2017
Ed 2, Am 3
2000
Ed 1, Am 2
1992
First edition
F3 Hazardous substances and processes 2017
Ed 2
2001
Ed 1, Am 1
1992
First edition
F4 Safety from falling 2017
Ed 3, Am 2
2007
Ed 3, Am 1
1992
First edition
F5 Construction and demolition hazards 1992
First edition
No previous version 1992
First edition
F6 Visibility in escape routes 2017
Ed 3, Am 4
2014
Ed 3, Am 3
1992
First edition
F7 Warning systems 2023
Ed 5
2012
Ed 4
1992
First edition
F8 Signs 2017
Ed 3, Am 4
2014
Ed 3, Am 3
1992
First edition
F9 Restricting access to residential pools 2017
First edition
No previous version 2017
First edition

G - Services and facilities

  Most recent version Previous version First version
G1 Personal hygiene 2011
Ed 2, Am 6
2007
Ed 2, Am 5
1992
First edition
G2 Laundering 2017
Ed 1, Am 3
2011
Ed 1, Am 2
1992
First edition
G3 Food preparation and prevention of contamination 2017
Ed 1, Am 2
2001
Ed 1, Am 1
1992
First edition
G4 Ventilation      
  G4/AS1 Ventilation of buildings

2025
Ed 5

2019
Ed 4
1992
First edition
  G4/VM1 Ventilation rate and air purity 2025
Ed 5
2019
Ed 4
1992
First edition
G5 Interior environment 2011
Ed 1, Am 2
2001
Ed 1, Am 1
1992
First edition
G6 Airborne and impact sound 1995
Ed 1, Am 2
1994
Ed 1, Am 1
1992
First edition
G7 Natural light      
  G7/AS1 Natural Light for simple buildings up to three storeys excluding those with borrowed daylight  2021
Ed 2
2014
Ed 1, Am 2
1992
First edition
  G7/AS2 Natural Light for simple buildings excluding those with borrowed daylight 2021
First edition
No previous version 2021
First edition
  G7/VM2 Natural Light for all buildings including those with borrowed daylight 2021
Ed 2
2014
Ed 1, Am 2
1992
First edition
G8 Artificial light 2014
Ed 1, Am 2
2001
Ed 1, Am 1
1992
First edition
G9 Electricity 2020
Ed 1, Am 7
2014
Ed 1, Am 6
1992
First edition
G10 Piped services 2017
Ed 1, Am 8
2014
Ed 1, Am 7
1992
First edition
G11 Gas an energy source 2017
Ed 1, Am 6
2014
Ed 1, Am 5
1992
First edition
G12 Water supplies 2024
Ed 3, Am 14
2023
Ed 3, Am 13
1992
First edition
G13 Foul water 2023
Ed 2, Am 10
2020
Ed 2, Am 9
1992
First edition
G14 Industrial liquid waste 2007
Ed 1, Am 6
2014
Ed 1, Am 5
1992
First edition
G15 Solid waste 2010
Ed 1, Am 3
2001
Ed 1, Am 2
1992
First edition

H - Energy efficiency

  Most recent version Previous version First version
H1 Energy efficiency - -

-

  H1/AS1 Energy efficiency for all housing, and buildings up to 300m2 2025
Ed 6
2022
Ed 5, Am 1
1992
First edition
  H1/AS2 Energy efficiency for buildings greater than 300m2 2025
Ed 2
2022
Ed 1, Am 1
2021
First edition
  H1/VM1 Energy efficiency for all housing, and buildings up to 300m2 2025
Ed 6
2022
Ed 5, Am 1
1992
First edition
  H1/VM2 Energy efficiency for buildings greater than 300m2 2025
Ed 2
2022
Ed 1, Am1
2021
First edition
  H1/VM3 Energy efficiency of HVAC systems in commercial buildings 2025
Ed 1, Am 1
2021
First edition
2021
First edition

For Specific building

  Most recent version Previous version First version
Back Country Huts 2014
Ed 1, Am 1
2009
First edition
2009
First edition
Simple House Revoked 2019 2010
First edition
2010
First edition

Handbooks

  Most recent version Previous version First version
Building Code Handbook 2014
Ed 3, Am 13
2011
Ed 3, Am 12
1992
First edition
Compliance Schedule Handbook 2014
Ed 1, Am 3
2011
Ed 1, Am 2
2007
First edition

This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: