The DelaunayvsThe Wolseley
Both restaurants are rated very highly by professional travelers. Overall, The Wolseley ranks slightly higher than The Delaunay. The Wolseley comes in at #6 in London with recommendations from 16 publications like Zagat, DK Eyewitness and Frommer's.
The Delaunay Fodor's
 Fodor's Gayot
 Gayot Time Out
 Time Out Zagat
 Zagat Wallpaper
 Wallpaper Travel + Leisure
 Travel + Leisure Michelin Guide
 Michelin Guide The Infatuation
 The Infatuation The Nudge
 The Nudge Frommer's Show All Reviews
 Frommer's Show All Reviews 
55 Aldwych, London
From $0/night
 "Classy breakfasts, brunch, Viennoiserie pastries and afternoon teas are served, and be sure to sniff out the hidden cafe within the cafe to while away a long lost afternoon." Full review
14.0
 "The Delaunay is big, bustling and very popular. And so it should be, coming from two of the most successful restaurateurs London has produced." Full review
 "There’s something for everyone, at prices that aren’t greedy given the setting, the quality of the service and the assuredness of the menu." Full review
3.5
 "A "nostalgia fest" of "exquisite linen" tablecloths and "polished silver" forms the backdrop at this "elegant" Wolseley sibling in Covent Garden." Full review
 "Like its sister restaurant, The Delaunay is an all-day operation serving mitteleuropean fare." Full review
 "The Delaunay has secured the pre-and post-theater set in town." Full review
 0 Stars
 "Just like The Wolseley, its hugely successful older sibling, The Delaunay was inspired by the grand cafes of Europe and boasts a similar celebrity clientele." Full review
7.8
 "Sometimes you just want to settle down in a pretty dining room with people you like, and eat steak frites with a bottle of good wine." Full review
4.5
 "A selection of schnitzels and würstchen (a smoked pork sausage) are offered as the Austrian fare." Full review
 "Fitted with Art Deco brass fittings and lots of dark wood, and its menu, which does all three meals, is decidedly Teutonic, what with its schnitzels, seared mackerel, beef Stroganoff, and wieners." Full review
The Wolseley Concierge
 Concierge Fodor's
 Fodor's Travel + Leisure
 Travel + Leisure BlackBook
 BlackBook Gayot
 Gayot DK Eyewitness
 DK Eyewitness Rough Guide
 Rough Guide Time Out
 Time Out Zagat
 Zagat Not For Tourists Show All Reviews
 Not For Tourists Show All Reviews 
160 Piccadilly, London W1J 9EB
From $32/night
 "Jeremy King and Christopher Corbin, erstwhile owners of Le Caprice, The Ivy, and J. Sheekey, have rebounded with this stunning brasserie. Set in a former Wolseley car showroom on..." 
 "Framed with black laquerware, silver service, and a few doors down from the Ritz, this all-day brasserie begins its long decadent days." Full review
 "First designed as a luxury car showroom for the Wolseley Motors Company, this cavernous Art Deco building now houses an all-day brasserie frequented by both tourists and local celebrities." Full review
 "Faultless Parisian brasserie, next to the Ritz. Decór is inspired by posh 1920s Wolseley cars, with lots of shiny brass, mirrored surfaces, and black-and-white surfaces." 
13.0
 "The menu is varied, influenced by Europe so you can go from herrings with potato and dill to coq au vin, from Wiener Schnitzel to roast haddock, cockles and Jersey royal potatoes." Full review
 "The decor is glamorous, with chandeliers hanging from lofty ceilings, and the atmosphere always buzzing." 
 Star
 "The lofty and stylish 1920s interior (built as the showroom for Wolseley cars) is the big draw in this opulent old café-restaurant." 
 "A self-proclaimed ‘café-restaurant in the grand European tradition’, the Wolseley combines London heritage and Viennese grandeur." Full review
4.3
 ""There's a wonderful sense of occasion" to this "luxurious", "bustling" Viennese-style Modern Euro Piccadilly brasserie, voted London's Most Popular restaurant for being full of "charm and character"." Full review
 "Step back in time for an elegant afternoon tea."