£15million five-bed Sandbanks mansion put under offer

Named Flag House, the property is under offer for £15 million after spending a year on the market. 

Previously owned by entrepreneur Robert Kay, he paid £4 million for the house in 2013 with no expense spared on renovating the house into one of Sandbanks' best properties with direct views onto the beach.

Boasting nearly 8,000sqft, the property contains five bedrooms, six bathrooms, a private pool, hot tub, cinema and home gym.

Combined with a huge entrance hall, the house looks out onto Poole Harbour and offers a wide variety of sea views from its kitchen, dining room and lounge. 

The master bedroom also boasts some of the bets sea views in Poole alongside a marble- clad en suite bathroom with Swarovski crystal taps and dressing room.

Three of the guest bedrooms also include en suite bathrooms. 

Alongside the cinema, the house offers a pool table, wine cellar and a fully fitted walk-in closet. 

The house is fully air-conditioned and has a state-of-art Sonos system throughout the house in discrete ceiling speakers. 

Add in the large sun terrace, pool, and landscaped gardens, Mr Kay's mansion is arguably one of the most luxurious properties on the posh peninsula. 

Made from limestone, the terrace connects to the lower garden which contains a substantial single storey leisure pavilion with kitchen and shower facilities. 

Beyond this lies an additional lawn which connects to a private gate onto one of the UK's best beaches. 

The house has sold for nearly 15 times more than neighbouring properties and may well have broken the record for the most expensive house in the area, beating a bungalow sold for £13.5m in 2023. 

The bungalow made Sandbanks the most expensive place to live anywhere in the world with a floor space of 2,909ft working out as £4,640 per square foot, more than anyone else in the world beating New York, London and Hong Kong.

The property is listed under offer on Rightmove and sold by Luxury and Prestige Exclusive Properties.