Owner Ingrid Parkin said the internet had made it difficult for many businesses to survive.
‘People buy things off the internet, but the quality is terrible, but with the economy the way it is, $35 is better than going and hiring one for an average of $66; this is what we have to fight against,’ she said.
Ms Parkin bought the original shop in Padbury and ran it for two years before moving the store to the Joondalup Business Park.
She said many of the costumes had been sourced from overseas travels or were handmade by local tailors.
‘I’ve loved doing this. I’m a real people person and it’s always been a pleasure to help people and put things together for them if we don’t have the exact outfit.’
The dressmaker plans to travel Europe for four months before deciding what she wants to do with the next phase of her life.
Ms Parkin has sold 1500 of her 5000 costumes for up to 40 per cent off the original price and will continue to sell them until the shop closes on March 8.