A man who bought a bungalow for £13.5million has pledged to turn it into a stunning eco-friendly home, spending a further £7million.
Tom Glanfield, 44, bought the property in Sandbanks, Dorset, with a vision to build "something quite amazing".
He is planning to demolish the 117-year-old, four-bedroom bungalow in Poole Harbour, Dorset, transforming it into a carbon-neutral eco home.
Mr Glanfield said he will invest millions into the local economy by employing Dorset-based architects, engineers and builders to design and build a two-floor, grass-roofed family home.
He said he wants the property to be built around the existing mature pine trees that adorn the waterside plot and that it will also have solar panels and an air source heat pump.
Earlier this week, it emerged that Mr Glanfield bought the chalet bungalow that has a 2,9079sq ft of floor space for £13.5m - the equivalent of £4,640 per square foot.
The figure beats the value of property in Monaco, Hong Kong and New York.
The house occupies a 1.4 acre corner plot, by far the biggest piece of real estate on the Millionaires' Row.
Mr Glanfield said: "I am a bit of a conversationist but the current house is uneconomical and environmentally unfriendly.
"We have got the chance to build something quite amazing there.
"The new house is going to be a fully sustainable, environmentally friendly, carbon neutral home that will also be an iconic building to mark the entrance to the harbour that will be seen by boats and yachts coming and going.
"The area has got a lot of superhomes but I am not that kind of guy. I am pleased that I bought it and not another property developer who is going to build another modern, three storey superhome that will cost £10,000 a month to run.
"We are looking at a two storey, five bed house of about 6,000 to 7,000 square feet that will have a grass roof, solar panels and an air sourced heat pump built around the mature pine trees that are on the site already."
Mr Glanfield, who became a multi-millionaire after starting up a recruitment company with a £9,000 graduate loan, said he expects to submit a planning application with BCP Council in about six months after the architectural plans have been drawn up.
Due to its corner location, the property will have a stunning 270-degree view of Poole Harbour, the world's second-biggest natural harbour behind Sydney.
Sandbanks - Britain's answer to Miami Beach - has been one of the most desirable places to live in the UK for over 20 years.
In 2000 the strip of land was named the fourth most expensive place to buy residential property in the world, behind Tokyo, Hong Kong and London.
Harry and Sandra Redknapp have owned two houses there while Sky Sports pundit Graeme Souness lives close by. Celebrity interior designer Celia Sawyer also lives on Sandbanks.
According to a 2022 survey by estate agents Savills, Monaco was the most desirable place in the world for property which sells for the equivalent of £4,374 per square foot.
Hong Kong was next at £3,775 followed by New York (£2,150), Geneva (£1,875), Tokyo (£1,850), Shanghai (£1,850) and London (£1,741).
Robert Dunford, of estate agents Tailor Made, which handled the sale, believes demand for waterside property around Poole Harbour has increased even more since the pandemic.
He said: "About 20 years ago Sandbanks was the fourth most expensive place in the world to buy residential property.
"Since then, other parts of the world have risen up and overtaken the area. But demand and prices for waterfront property in Britain has rapidly increased following Covid.
"People have realised they can work from home and don't need to be tied to an office in London.
"They have reevaluated their work-life balance and places like Sandbanks seem to be even more desirable now and this sale reinforces that.
"The location brings with it the lifestyle. You have Poole Harbour, award-winning sandy beaches and the Jurassic Isle Of Purbeck as your playground.
"The new owner of North Haven Point has bought the home for its location, size and privacy of the plot with its extensive harbour frontage. I believe he is looking to embrace green credentials, working with the protected trees, and create something truly special.
"The plot is over 1.4 acres, in the stunning southwest section on Sandbanks Peninsula, it really is the best corner plot I've ever had the pleasure of representing locally.
"It is a double aspect corner plot that captures the sun all day."
The bungalow had been owned by four generations of the Hooker family. The plot was bought by Sir Joseph Dalton Hooker who was one of the most important botanists of the 19th century, a friend of Charles Darwin and the first director of Kew gardens.
The ground floor has a living room, dining room and kitchen, utility rooms, store room, pantry and office. The first floor, which was extended in the 1950s, has a master en-suite bedroom, a guest bedroom suite and two more bedrooms.
The outgoing owner said: "The uninterrupted views are magnificent."
