The Shakepeare Birthplace Trust has confirmed its opposition to selling land near to Anne Hathaway's cottage.
Developers, Bloor Homes, want the land for housing.
Earlier this year Communities Secretary Eric Pickles gave permission for the deal to go through.
Residents and the council are also against the proposals but the Trust says it can't rule out being forced to sell.
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Any early cloud will break, with some sunny spells developing during the morning.
Generally cloudy with fairly persistent rain through this evening.
A cloudy evening, with sporadic outbreaks of rain or drizzle. These will ease away overnight, with a few clear spells around dawn.