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390 Spengler Rd, Biddaddaba, has hit the market for $20 million.
Source: Supplied

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A $20 million mega mansion complete with a helipad and a panic room has hit the market in a sleepy country community, threatening to break the highest recorded Gold Coast house sale.

Biddaddaba, famous for its horse breeding, could soon be renowned for its record-breaking property after trumping the Glitter Strip with the opulent 390 Spengler Rd, which was offered up for sale for the first time since a major renovation.

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It’s home to Brisbane diesel engine technician and entrepreneur Preston Richardson who owns Jet Boats Brisbane Pty Ltd, a company that built high-speed powerboats.

With his wife Miranda, he spent two years rebuilding the mansion after his company PBR Properties purchased the 627ha block for $3.575 million in December 2012.

390 Spengler Rd, Biddaddaba, has hit the market for $20 million.
Source: Supplied

Marketing agent Shaun Kaddatz, of Harcourts Coastal said the block housed an old original homestead before the Richardsons “completely transformed” the entire property, creating a 10 bedroom, seven-bathroom masterpiece with its own grand ballroom, helipad and airstrip.

“I have seen some of the most impressive homes in this country but this is by far the most impressive property I have ever been in,” Mr Kaddatz said.

“There’s just nothing else like it … it has also been completely modernised with everything you can think of.”

390 Spengler Rd, Biddaddaba, has hit the market for $20 million.
Source: Supplied

Canungra Realty licensee and area specialist Lawrie Phillips said while the home was undoubtedly the area’s finest, he believed the hefty price tag was a case of “reaching for the stars”.

Despite that he said the property was bound to place the region on the map.

Mr Kaddatz said the star power of the home went far beyond the sheer chunk of hinterland land, with the entire package offering “more than any inner suburb could provide”.

“It’s got guesthouses, an airstrip, fishing dams — I mean you can’t provide that in an entire suburb block,” he said.

“It has state-of-the-art of everything.

390 Spengler Rd, Biddaddaba, has hit the market for $20 million.
Source: Supplied

“The construction of the home is beyond anything I have seen. No expense has been spared.

“They spent $14 million just in the construction and renovation of the house … the attention to details and the size and grandeur of the home is just outstanding.”

Mr Kaddatz said the home also featured an extra deep pool for diving with a diving board and a control-heated pool.

“It’s even got a grand ballroom for 250 guests,” he said.

The Biddaddaba land was originally owned by Anthony Scibilia who sold off the entire farm in parcels. Mr and Mrs Preston purchased the land off Alison Searle.

The ballroom at 390 Spengler Rd, Biddaddaba.
Source: Supplied

The property, called Wirraway, now comprises a colonial-style main residence, two guesthouses, improved pastures, 16 dams, aircraft facilities, an outdoor deck with a fireplace, a large pool with a diving board, a library with floor-to-ceiling shelving, a grand ballroom, a wine cellar and an adjoining tasting room (it doubles as a panic room and has bulletproof glass), a tennis court, a fully-enclosed tiered viewing pavilion with thickened glass, a fully equipped gym and two aircraft hangars.

The highest selling home in Gold Coast history remains $19 million, paid for 213 Hedges Ave “millionaire’s row” in Mermaid Beach.

Queensland Harvey Norman boss Steve Cavalier paid the hefty price for the beach house in 2006.

390 Spengler Rd, Biddaddaba, has hit the market for $20 million.
Source: Supplied

The inner city mansion at 57 The Corso, Isle of Capri, is now the second highest priced home currently on the market, at offers over $15 million.

According to RP Data the record for the highest selling home in Biddaddaba is $2.29 million, paid for 328 Biddaddaba Creek Rd in April, 2006.