NHBC Technical Extra

Technical Extra is our technical newsletter. It provides relevant, up-to-date technical advice and, where relevant, clear actions you might need to take and the deadlines for those actions.

To make it easier to navigate the content, Technical Extra, is sub-divided into four sections:· 

  • Standards
  • Regulations and Compliance
  • Guidance and Good Practice
  • Information and Support

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View latest and past editions

Technical Extra is published throughout the year, both as a downloadable PDF and also as an electronic interactive version. Read the latest issue or find previous issues by using the year filter below

2017 2016 2015 2014 2013 2012 2011

2017 Issues

 

Issue

22

Technical Extra Issue 22

April 2017

Includes: NHBC Standards 2017 (including a new chapter on movement of rendered walls), Part R - electronic communications, Dry-fix verge systems, Overheating in new homes, Balconies and avoiding cladding issues.

Issue

21

Technical Extra Issue 21

November 2016

Includes: NHBC Standards 2017 (including a new chapter on render), pitched roofs, external walls and NHBC OnSite technical assessments.

Issue

20

Technical Extra Issue 20

May 2016

Includes: external render in NHBC Standards, wall lateral restraint straps, British Standards for installation of gas in apartments and in-situ concrete toppings/suspended floors.

Issue

19

Technical Extra Issue 19

December 2015

Includes: NHBC Standards 2016; Chapter 5.4 FAQs; auto fire suppression systems (Wales); new requirements for consumer units; fire safety issues.

Issue

18

Technical Extra Issue 18

July 2015

Includes: NHBC Standards 2016; Housing Standards Review; combustible cladding for multi-storey builds.

Issue

17

Technical Extra Issue 17

February 2015

Includes: Guarding openable windows with low cills; fire protection for proprietary dummy chimneys; weep holes in masonry walls.

Issue

16

Technical Extra Issue 16

November 2014

Includes: Chapter 5.4 'Waterproofing of basements and other below ground structures' | Guidance and good practice - an industry perspective.

Issue

15

Technical Extra Issue 15

October 2014

Includes: The importance of correctly installing cavity trays and DPCs | Regulation 38 of the Building Regulations | Code of practice relating to slating and tiling for pitched roofs and vertical cladding.

Issue

14

Technical Extra Issue 14

July 2014

Includes: Our annual claims review | Key issues around designing, manufacturing and installing windows | Good practice topics | Summary of NHBC Foundation reports.

Issue

13

Technical Extra Issue 13

March 2014

Includes: All you need to know about the updated Part L, the transitional provisions, key changes and practical guidance.

Issue

12

Technical Extra Issue 12

October 2013

Includes: The NHBC Standards 2014 edition, introducing 3.2 'mechanical ventilation with heat recovery' and MVHR - getting it right, from the start.

Issue

11

Technical Extra Issue 11

September 2013

Includes: Updates to Approved Documents A, C and L, guidance on Part M, commissioning gas installations and the impact of relatively simple defects.

Issue

10

Technical Extra Issue 10

June 2013

Includes: Basements, Foundation Depth Calculator app, Approved Document Regulation 7, Construction Products Regulations, Juliette balconies and British Woodwork Federation Stair Scheme.

Issue

9

Technical Extra Issue 9

March 2013

Includes: Pitched roofs, protecting steel from corrosion and new MVHR standards.

Issue

5

Technical Extra Issue 5

November 2011

Includes: The revised NHBC Standards Chapter 7.2 on 'Pitched Roofs'. The revised Chapter came into force for all new homes with foundations concreted on or after 1 January 2012.

Issue

4

Technical Extra Issue 4

October 2011

Includes: Updates on pitched roofs, The Flood and Water Management Act, guttering fixings and hardcore selection.

Issue

3

Technical Extra Issue 3

September 2011

Includes: The challenges for the industry in complying with Part L of the Building Regulations in England and Wales.

Issue

2

Technical Extra Issue 2

September 2011

Includes: Articles on basements and waterproofing and details of the updated Code of Practice (CoP) on 'The Definition of Waste'

Issue

1

Technical Extra Issue 1

February 2011

Includes: Our launch issue of Technical Extra included articles on pitched roofs and the Flood and Water Management Act.

Issue

8

Technical Extra Issue 8

November 2012

Includes: A detailed summary of the key changes in NHBC Standards 2013.

Issue

7

Technical Extra Issue 7

July 2012

Includes: Articles on aircrete blocks, FWMA and multipoint door locks.

Issue

6

Technical Extra Issue 6

February 2012

Includes: An update on low or zero technologies (NHBC Standards Chapter 3.1) and two articles relating to façades.