Work out the order before you get to the counter

How much to buy in the units merchants sell, which timber to ask for, and the VAT, waste and lifting rules. Every figure links to the maker's, trade body's or regulator's own page. Below the tools: the merchants in Wiltshire and Somerset we've checked so far.

How much to order

Put in your sizes; get cubic metres, bags, bulk bags, tonnes, sheets, panels and boards, with the maths shown.

Timber chooser

Which use class of treated timber to ask for, C16 or C24, and CLS and planed sizes as sold.

Counter rules

VAT on materials for builders and self-builders, carrying trade waste, and what HSE says about lifting.

Merchants we've checked so far

9 merchants, not every merchant in Wiltshire and Somerset: only those whose own pages we've read. 8 open Saturday.

Open Saturday: 8 of 9. Not confirmed: Frome Area Building Supplies. Days only, not hours. Check times before you set off.

Builders' merchants in Wiltshire and Somerset we've checked so far: type, ranges, Saturday opening and location
Merchant	Type	Ranges	Saturday	Based	Listing
AWBS Swindon	Not confirmed	Heavyside Timber Landscaping	Open	Swindon	Listing for AWBS Swindon
Frome Area Building Supplies	Independent	Heavyside Timber	Not confirmed	Rode, Somerset	Listing for Frome Area Building Supplies
Jewson Bath	Branch of a national chain	Heavyside Timber Landscaping	Open	Bath, Bath and North East Somerset	Listing for Jewson Bath
Jewson Chippenham	Branch of a national chain	Timber Plumbing and heating Landscaping Roofing	Open	Chippenham, Wiltshire	Listing for Jewson Chippenham
Jewson Frome	Branch of a national chain	Timber Landscaping Roofing	Open	Frome, Somerset	Listing for Jewson Frome
Jewson Salisbury	Branch of a national chain	Heavyside Timber Landscaping	Open	Salisbury, Wiltshire	Listing for Jewson Salisbury
Kellaway Building Supplies, Bridgwater	Independent	Timber Plumbing and heating Roofing	Open	Bridgwater, Somerset	Listing for Kellaway Building Supplies, Bridgwater
Kellaway Building Supplies, Marlborough	Independent	Timber Plumbing and heating Roofing	Open	Marlborough, Wiltshire	Listing for Kellaway Building Supplies, Marlborough
Kellaway Building Supplies, Wincanton	Independent	Timber Plumbing and heating Roofing	Open	Wincanton, Somerset	Listing for Kellaway Building Supplies, Wincanton

Every value links to its source on the merchant's listing. "Not confirmed" means we haven't found it on their own pages yet.

By area

Wiltshire 3 merchants
Somerset 4 merchants

How this list works

From the merchant's own pages: Ranges and Saturday opening link to where we found them.
Not for sale: Merchants can't pay for position.
Something wrong? Tell us: Merchants can correct us and we re-check.

Coming later: does a person answer? Our own dated test calls: who picked up, and how fast.