Uckfield Bowls Club is planning to extend its existing clubhouse at Oaklea Way.
The aim is to improve facilities for members and visiting bowlers.
Better changing and lavatory facilities will be provided.
Seating for up to 40 people will be provided, with kitchen facilities for the serving of cold and warmed-up food, plus hot drinks.
Members of Uckfield Town Council Plans Committee agreed to support the application when they met on Tuesday (April 3).
They, however, wished the planning authority, Wealden District Council, to take note of a comment by a neighbour who asked for sewage disposal to be considered carefully because the outlet from the bowls club ran through his garden with no rodding points for about 25 metres.
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