First impressions last, and when it comes to house-hunting this sentiment is often reserved for the facade of a property. But for some homes, if you look past the unassuming exterior, past the simple garden, you might find something truly special inside.

From a colourful Palm Springs-style home in Palm Beach to a neutral beauty in Northcote, these are the homes with the most beautiful interiors for sale across Australia.

New South Wales: A slice of Palm Springs in Palm Beach

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If colour is your thing, then this is the property for you. Ideally located in the heart of Palm Beach, this home combines the playful style of Palm Springs, combined with the coastal cool of Sydney's Northern Beaches.

Recently renovated, the property features a home bar with palm frond wallpaper, a kitchen with hot pink banquette seating and a mural of swans, floral-wallpapered bedrooms and pink and white striped awnings on the exterior. And if that wasn't enough fun for you, there's also a bright yellow slide in the backyard.

The one-of-a-kind home also features five bedrooms, four bathrooms, outdoor entertaining area, sonos sound system and parking for four cars.

Victoria: A carefully curated home in Northcote

Located in Northcote, 'Gallery House' was a collaboration between Freadman White Architects and high-end builder Visioneer. The modern home is unassuming from the street, however inside is a completely different story.

The interiors of the home feature off-form concrete ceilings, textured brickwork, large-format glazing and American oak pannellings. While it showcases a primarily neutral palette, colour has been used sparingly and to great effect - most notably in the sage green kitchen and stairs.

Garden spaces have been consciously created by Clare Mack Studio and Creo Muto to allow for passive design principles and an abundance of natural light. The four-bedroom property also features a double garage, innovative storage solutions and home office.

Queensland: A sculptural masterpiece in Bulimba

Newly built and incredibly luxurious,'Mosman' was a collaboration between architect Tim Stewart, FBI Interiors and McBryde Builders. The five-bedroom home is located in the sought-after suburb of Bulimba and features a contemporary, refined interior with high-end finishes.

The interior is bright and calming with a mix of natural materials and warm neutrals. A curved, sculptural staircase connects the two levels and creates an eye-catching focal point. Statement lighting has been used to great effect throughout, as have soaring windows allowing light to stream in.

The property also features premium appliances, wellness studio, wine cellar, games room, private lift and eight-car garage.

Tasmania: Quiet magic in Deep Bay

Over in Tasmania's Deep Bay is a different type of interior beauty. While not screaming for attention, this home's interior design relies on a quiet magic. On spaces transformed by light, water and the natural surroundings.

The compact one-bedder features custom cabinetry by Bale and Bale, a kitchen bench of native sassafras, Mud Australia pendant lights and a Cheminees Philippe fireplace in the living area to provide warmth and calm.

The moody colour palette of deep greens, black and the warm brown of timber help the home become one with its stunning waterfront setting.

Western Australia: Warehouse cool in Fremantle

Previously the 1930s Weeties factory, this two-level warehouse in Fremantle has been cleverly redesigned by local architecture practice Space Agency.

The warehouse features many original elements including soaring ceilings, brick walls, original windows and exposed metal beams. A sculptural, spiral staircase connects the two levels, providing an architectural feel to the space.

The four-bedroom, three-bathroom apartment offers house-sized proportions, as well as a chef's kitchen, alfresco area, heated floors and multiple living areas.

South Australia: Classic meets coastal in Semaphore

Built circa 1910, this stone villa in Semaphore has been transformed into a modern home where classic design meets coastal style.

Despite the reimagination, the elegant six-bedroom home has retained many of its original period details including ornate arches, ceiling roses and high ceilings. The new addition features a colour palette of cool whites, greys and natural timbers.

The large family home also includes multiple living spaces, underground cellar, heated pool, alfresco area and garage with storage.