Structural timber guides

Straightforward guidance on choosing structural and carcassing timber, from C16 and C24 strength grades to sizes, spans and loft conversions. Written by the team at South London Timber, who supply customers across London and Kent.

5 Oct 2026
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6 min read
Planning a loft conversion or a home extension? Here's what timber and sheet materials you'll actually need, at what grade, and how to order the right quantities first time.
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27 Feb 2026
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6 min read
Not sure whether your project needs C16 or C24 timber? Here’s a practical guide to strength grades, typical uses, and how we help you specify the right structural timber first time.
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30 Jan 2026
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5 min read
Choosing timber shouldn’t be guesswork. This guide breaks down grades, treatments, and sheet materials – plus how South London Timber’s expert team helps you get the right product, delivered reliably, every time.
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