TRADA Membership For Specifiers

We enable hundreds of Timber Specifier members to:

  • Save time, and therefore money, by giving them authoritative answers quickly - by phone and online.
  • Be confident about taking on more challenging timber projects.
  • Avoid making mistakes by providing best practice advice.
  • Calculate in seconds the optimum timber sizes/strength grades and connections using our online EC5 calculator tools.


What do our members say?


“The TRADA advisory line is a very helpful resource for our office.  Every time I have reached out for assistance I have been met by a knowledgeable representative who took the time to understand my query, whether I simply needed further information regarding a particular product or help sorting out a specific design detail”.


Victoria Wolcott, Architectural Assistant, Allford Hall Monaghan Morris

If you have any questions about TRADA membership, please contact Kathryn Macneil:

+44 (0) 1494 569603

Membership Benefits (click on each one below for more information)

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Expert advice from the TRADA telephone helpline

Save time, and therefore money, by getting quick and authoritative answers to any questions on using wood. The telephone helpline is open 9:00 - 17:00 (UK time), Monday to Friday t: +44(0)1494 569601

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Access the latest TRADA technical information online

View hundreds of technical publications online, 24 hours a day - allowing you to hit immovable deadlines by working outside of normal office hours.

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National Structural Timber Specification (NSTS)

Use the NSTS and members' only Project Specification to efficiently create comprehensive specifications for structural timber, which draw on a wide body of expertise and experience collated by TRADA.

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Eurocode5 design software

Save time by calculating using our online Timbersizer EC5 software which covers all domestic structural timber members. The complementary Timberconnections software allows you to calculate connection capacities with nails, screws, bolts, dowels and coach screws in two and three member combinations in timber and steel.

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Wood Information Sheets

Read over 60 comprehensive information sheets on a broad range of wood topics - forming the core component of our information for many decades.

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Inspirational detailed case studies

Read case studies which feature inspirational timber buildings selected for their quality in design and construction. Each study demonstrates why timber was selected and how the design works, including comprehensive technical description, photographs during and after construction, and detail drawings.

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Detailed drawings

Download suggested thermal details to comply with Part L, giving fully calculated U- and Psi-values.

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Online books

Read some of our most popular titles online, with full drawing details, enabling you to check our recommendations wherever you are.

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Construction Product Association economic forecasts

Prepare for the future and target the best construction sectors by using the Construction Products Association's thoroughly researched quarterly market reports.

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Up to 35% discount on books and British Standards

Receive up to 35% off TRADA publications, 10% off British Standards and discounts off all other publications sold through our bookshop. Receive an update on all standards relevant to timber six times per year.

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Online CPD tracking

Use the free CPD tracking device which enables you to keep a log of the number of articles that you have read on the site. Print a certificate at any time showing the CPD points accrued.

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Free and discounted training

Learn more about designing and building with timber at very affordable prices using the TRADA members' discounts.

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Use of our prestigious membership logo

Demonstrate your commitment to having access to the UK's leading source of information on wood by using the TRADA member logo on vehicles, stationery and brochures etc, subject to terms of use.

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Sales enquiries from the TRADA website

Choose from hundreds of precise service categories, which make TRADA's online Find a Supplier directory the most comprehensive UK directory of its kind. Load PDF brochures, captioned images, addresses and business descriptions yourself.

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Sales enquiries from our Yearbook

Choose up to 5 categories in the Find a Supplier section of the UK's leading Timber Industry Yearbook, which is supplied to 3000 individuals who are passionate about using wood.