Wyevale Garden Centres want to expand the clothing sales area at the Morpeth, Northumberland centre from 1,300 sqm to 2,000 sqm.
Some local traders, councillors and residents have complained because they are worried about losing town centre business.
Wyevale Garden Centres has applied to Northumberland County Council to vary a condition of its planning permission to allow it to increase the size of its general clothing and footwear sales area, from 1,300 sqm to 2,000 sqm.
The proposal follows the serving of a planning contravention notice on the centre in 2011, amid claims it was selling goods it was not permitted to under the condition.County council officers are recommending the authority’s north area planning committee approves the application at its meeting on 30 April.
A Wyevale Garden Centres representative said: "Heighley Gate, a Wyevale Garden Centre, plays a vibrant part in the Northumberland community, providing employment opportunities, a restaurant, children’s play areas and community events for the whole family throughout the year.
"We attract visitors from as far as Edinburgh and Yorkshire and offer our customers an experience based on the joys of the garden and gardening, which complements the diverse retail options in Morpeth and other nearby communities. We note the Northumberland County Council’s recommendation that the application be granted."