Black Friday deals are already underway for 2017 as retailers are slashing prices ahead of the main event.

Retail Week looks at which retailers are taking part, and what deals they are promoting.

RetailerDuration of promotionDeals on offer
Amazon 10 days – November 17 to 26 “Deals of the Day” and lightning deals, which are only available in limited quantities for a short period of time.
Argos 13 days – November 15 to 27 “Sizable” discounts available on more than 60,000 products across toys, homewares and electricals.
BHS.com 7 days – November 20 to 26 There will be a “Deal of the Day”. Discounts of up to 50% also available across home, lighting and fashion.
Boots 14 days – November 17 to 30 Better than half price deals on brands including DKNY, Boss and Oral-B.
Burton 9 days – November 19 to 27 Up to 50% off selected items.
B&Q 4 days – November 23 to 26  
Curry’s PC World From November 13 Price cuts on more than 4,000 products including including Dyson vacuums, Amazon Kindle and Sony Smart televisions.
Debenhams 7 days – November 20 to 26  Daily deals across beauty, exclusive, and own brand fashion lines, electricals, toys and home.
Dorothy Perkins 9 Days – November 19 to 27 Up to 50% off selected items.
Evans 4 days – November 24 to 27 Up to 50% off everything.
House of Fraser 15 days – November 16 to 27 Up to 40% off selected items across all departments.
Lidl From November 23 Up to 75% off, with deals across wine, meat and electricals.
Miss Selfridge 7 days – November 19 to 25 Up to 50% off selected items until November 22, then up to 50% off everything.
Morrisons 12 days – November 15 to 26 Deals include £10 off a magnum of Prosecco and 10p per litre off petrol.
Tesco 8 days – November 20 to 27 Deals across electricals, furniture and home.
Very 9 days – November 20 to 28 Black Friday at Very is sponsored by Intel, with deals across all categories.
Wallis 3 days – November 24 to 26 Up to 50% off everything.