The Owls are a win away from a second successive play-off campaign.
If successful, a busy summer could be in store for the Owls, with improvements likely to be sought by head coach Carlos Carvalhal.
So with that in mind, here are five of the best (and most realistic) British-based players he could sign for nothing (or next-to-nothing, where those under-24 are concerned) this summer:
If they go up: Callum Paterson (Right-back, Heart of the Midlothian)
Paterson would have perhaps been playing his trade in England already were it not for a season-ending injury suffered on the even of the January window, with West Ham United the pick of the clubs linked. An attacking full-back, the 22-year-old would give Jack Hunt a run for his money at Hillsborough, although his arrival would surely spell the end of Liam Palmer's Owls career.
If they don't: Callum Paterson (Right-back, Heart of the Midlothian)
Not expected back before the autumn, a season in the Championship could be Paterson's best option as he rediscovers his fitness and form. Derby County and Cardiff City have also been credited with an interest but Wednesday would fancy their chances against either. Derby's Cyrus Christie could do a job if not.
If they go up: Martin Kelly (Centre-back, Crystal Palace)
Having struggled at right-back for much of the campaign, Kelly has looked far more comfortable since being moved to a central role. However, the once-capped England international could find himself cast aside once Scott Dann and James Tomkins return, while Palace will surely want to replace Mamadou Sakho if the Frenchman's loan deal cannot be extended or turned permanent.
If they don't: Luke Chambers (Centre-back, Ipswich Town)
Chambers very nearly became a Nottingham Forest player in January and looks set to move on this summer. Though he may be 32 in half a year's time, there have been few more consistent Championship centre-halves than him over the past few campaigns, and he'd add much needed competition in an area in which the Owls are worryingly short.
Leeds United's Charlie Taylor in action
If they go up: Charlie Taylor (Left-back, Leeds United)
Given the amount of clubs said to be keen on Taylor - Liverpool and Everton among them - Wednesday would perhaps have their work trying to sign him, especially given his Leeds ties. God loves a trier though - or so they say - and it wouldn't hurt to throw a hat in the ring, with the 23-year-old an undoubted upgrade on the Owls' existing options, despite Daniel Pudil's recent revival.
If they don't: Daniel Pinillos (Left-back, Nottingham Forest)
Pinillos' recent performances have given little clue he missed the whole of 2016 through injury, although Forest's sticky predicament appears to have prevented them from sorting out a new deal. Championship clubs will queuing for his signature if the Spaniard is to depart the City Ground this summer and Wednesday may be one of them, in the - albeit unlikely event - that Pudil or Morgan Fox are moved on.
If they do: Dale Stephens (Midfielder, Brighton & Hove Albion)
Another player destined for the Premier League next season, whether it's with the Championship champions-elect or not. But given that the Bolton-born star has been haggling for a return north for the past two campaigns - according to some reports - Wednesday may have shot at Stephens if they follow Brighton into the top flight. Or how about Stoke's Charlie Adam instead?
If they don't Josh Scowen (Midfielder, Barnsley)
Linked with Wednesday already this year, Scowen's capture could help to restore some bite to an Owls midfield lacking in that particular trait whenever Sam Hutchinson isn't around. Despite this being the 24-year-old's first season above the third tier, Premier League clubs are also said to have taken note of his performances at Oakwell. But would he be wary of the Sam Winnall treatment he's likely to receive on quitting Barnsley for the club they hate the most?
Burnley's George Boyd celebrates
If they do: George Boyd (Winger, Burnley)
The Daily Mail reports that Boyd has snubbed a new deal at Burnley, and is wanted by Premier League and Championship clubs. Although he isn't getting any younger (32 in October), his status as one of this season's top flight's longest distance runners suggests no imminent decline, and would suit Cavalhal's style of play.
If they don't: Marley Watkins (Winger, Barnsley)
Watkins has excelled in what, like Scowen, is also his maiden Championship campaign, scoring 10 goals and creating nine from predominantly wide areas. Following the January exits of Winnall and Conor Hourihane, the 26-year-old has become the main draw at Oakwell with several clubs believed to be taking an interest. And given that Callum McManaman, Will Buckley and even Marco Matias could be on their way out of Hillsborough this summer, Wednesday would be wise to investigate.
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