A cat badly injured in bushfires that destroyed homes along the New South Wales Central Coast is slowly recovering after undergoing dozens of skin grafts and receiving more than $50,000 worth of specialist veterinary treatment.

Siew Lee Seow had been living in her Koolewong home for three years with her three cats, Sassy, Bodhi and Pixie, when the property was destroyed in a bushfire last month. Ms Seow was in Sydney at the time for a medical appointment and had left the cats indoors with the air conditioning on to keep them safe and cool.

She said the fire tore through the area in less than 15 minutes, leaving her with no chance to return in time to evacuate the animals. While she had an evacuation plan when she was home, she admitted she had never imagined such a situation occurring while she was away.

When authorities later allowed her to return to the site, Ms Seow discovered her cat Sassy alive but critically injured, sheltering beneath a neighbouring property. Sassy had suffered severe burns and smoke inhalation and was rushed to an emergency veterinary hospital in Gosford, where vets amputated her tail and inserted a feeding tube while stabilising her condition.

Despite being warned to prepare for the worst, Ms Seow was determined to give her cat every possible chance of survival. She said Sassyβs determination to escape the fire gave her strength to keep fighting for her recovery.

Sassy was later transferred to the Animal Referral Hospital in Homebush, Sydney, where specialist surgeon Dr Sarah Goldsmid took over her care. The two-year-old cat was in a critical condition, and her survival remained uncertain for weeks. Burns had killed tissue in her feet, requiring the gradual amputation of several toes and the removal of the tips of her ears.

Dr Goldsmid said the first few weeks were βtouch and go,β but progress slowly followed. Last week, surgeons began the complex process of reconstructing Sassyβs feet using skin grafts taken from healthy areas of her body. While she will not have normal paw pads, the aim is for her to move comfortably and enjoy a good quality of life.

The cost of treatment was heavily discounted but still totalled more than $50,000, much of which was covered through public crowdfunding. Dr Goldsmid said quality of life was carefully considered at every stage of treatment, and that Sassyβs affectionate and happy nature showed she was coping well despite her injuries.

Ms Seow said she had been overwhelmed by the generosity of donors, many of whom she had never met. She described Sassy as resilient and said the cat had pushed the limits of survival.

Sassy was discharged from hospital on Tuesday, but both she and her owner face a long road ahead. Ms Seow has no family in Australia, is still searching for her other two cats, and has been staying with friends since the fire. She expects to move into more stable accommodation soon but says rebuilding her home will take years.

Despite the devastation, Ms Seow is determined to rebuild on the same site, this time meeting modern fire safety standards. She described the recovery process as a marathon, saying she is slowly rebuilding both her life and her future, drawing strength from Sassyβs remarkable survival.