Inside £14.5m St George’s Hill mansion with basement size of 2 tennis courts 

No multi-million pound home is complete without a cinema room, indoor swimming pool and staff quarters. 

But the newest addition to an exclusive private estate in Surrey has taken the concept of an indulgent entertainment and leisure space to a whole new level.

The entire basement of the mansion is dedicated to a leisure and entertainment space covering an area the equivalent to not one, but two, tennis courts and it could be yours… for £14.5million. 

The £14.5million mansion is called Grosvenor House and located in Surrey’s exclusive St George’s Hill, Weybridge

As well as a swimming pool and cinema room, there is a sauna, steam room, plunge pool, and sunken terrace area with space for a firepit, along with a gym and changing rooms. 

The star of the show in the basement at the St George’s Hill property in Weybridge is a bespoke semi-circle bar designed by interior designers Alexander James. It has a wine cellar at the rear and a large seating area overlooking the pool at the front. 

Robert Walker, of Alexander James Interiors, said: ‘We designed a bespoke bar and wine cellar for this beautiful property. 

‘Our aim was to create an inviting club lounge feel, which we achieved using rich metals and a warm colour palette, together with a ribbon of flame in the lounge area for a warm, convivial atmosphere. 

‘We designed a semi-circular wine room to the rear of the semi-circular bar, to create a functional area that is perfect for hosting events.’ 

The basement measures 550 square metres, which is the surface area of two tennis courts

The basement measures 550 square metres, which is the surface area of two tennis courts

The entertaining space is stuff that property dreams are made of, and comes with the benefit of sufficient space for friends and family to park their luxury cars.

Indeed, the garage in this extraordinary basement has an impressive turntable and space for five vehicles.

The basement includes a gym, swimming pool, sauna, steam room, gym, bar, wine cellar, cinema

The basement includes a gym, swimming pool, sauna, steam room, gym, bar, wine cellar, cinema

Fancy a drink? The semi-circle bar area is bespoke and designed by Alexander James Interiors

Fancy a drink? The semi-circle bar area is bespoke and designed by Alexander James Interiors

Full of bubbles: The large wine cellar is behind the main bar and is fully air conditioned

Full of bubbles: The large wine cellar is behind the main bar and is fully air conditioned

The basement includes an attractive sunken terrace with seating and space for a firepit

The basement includes an attractive sunken terrace with seating and space for a firepit 

James Prichard, of developer Charbydis, gave MailOnline Property an exclusive tour of Grosvenor House and its basement.

He said: ‘The basement is 550 square metres, which includes the garage and the sunken terrace. In total, we had to excavate 4,200 cubic metres of soil to make that space.’

The overall surface area of a tennis court is 260 square metres – or 2,800 square feet. It means that the basement at Grosvenor House is the equivalent size of two tennis courts.

Mr Prichard added that the ramp leading to the garage was designed for any car to get down it, from a Ferrari with a low-slung body that’s close to the ground to a stretch Mercedes and an enormous Range Rover SUV.

The basement also includes a staff suite, a laundry room and a plant room. 

BASEMENT HIGHLIGHTS AT GROSVENOR HOUSE

The impressive highlights of the basement at Grosvenor House inlcude: 

  • It covers an area of 550 square metres, which is more than the size of two tennis courts
  • A total of 4,200 cubic metres of soil was excavated to create the space
  • The swimming pool measures 11 metres by 4 metres, and has an average depth of 1.9 metres
  • The spa area includes a steam room, sauna, a plunge pool, gym and treatment area
  •  There is air conditioning and high speed wi-fi throughout the house, including in the basement
Don't have time to get to a fitness club? There is also a gym in the basement of the luxury home

Don’t have time to get to a fitness club? There is also a gym in the basement of the luxury home

Fifty shades of Grey: The cinema room has plenty of space for entertaining family and friends

Fifty shades of Grey: The cinema room has plenty of space for entertaining family and friends

At the main entrance level, the property has an open-plan kitchen and family room with a bespoke kitchen that includes a single 3.7 metre slab of marble – which has been split in half to display an identical pattern leading from the centre point.

There is a second ‘prep’ kitchen, a dining room, a drawing room and a library on the ground floor. And on the first floor, there six bedrooms, including a master suite with a dressing room and en suite.

The property is on a gated private estate and covers a total area of 14,332 square feet

The property is on a gated private estate and covers a total area of 14,332 square feet

The impressive entrance hall leads to the main living areas, including the open-plan kitchen and separate drawing room

The impressive entrance hall leads to the main living areas, including the open-plan kitchen and separate drawing room

The main living space includes a seating area for the family, with a ribbon fireplace

The main living space includes a seating area for the family, with a ribbon fireplace

The main kitchen in the living area is separate from the second 'prep' kitchen, which is 'hidden' behind it

The main kitchen in the living area is separate from the second ‘prep’ kitchen, which is ‘hidden’ behind it

Looking for a separate formal space? The drawing room overlooking the garden at the rear of the property fits the bill

Looking for a separate formal space? The drawing room overlooking the garden at the rear of the property fits the bill

The property is on St George’s Hill, one of the most sought-after private estates in England. It has easy access to the M25 and Weybridge train station, with links into London. 

The gated estate is controlled by private security and has restricted access at all times. There is a private championship 18-hole golf course and a private tennis and squash club. 

Mr Prichard added: ‘We have included all these elements within the basement of the house as the demand for leisure facilities is there in this market place. 

‘Buyers are often not locked into a typical nine to five working week, so they’re looking to use these facilities at home rather than visiting a local club. 

‘This way, they can better manage their time – perhaps with a personal trainer visiting them at the house as and when required.’ 

Open spaces: The landscaped gardens have mature trees, hedging and lawn areas

Open spaces: The landscaped gardens have mature trees, hedging and lawn areas

The sophisticated dining area includes dark-coloured furniture and flooring to contrast with the light walls

The sophisticated dining area includes dark-coloured furniture and flooring to contrast with the light walls

Working from home? The study can be found on the ground level of this family home

Working from home? The study can be found on the ground level of this family home

There are six bedrooms, with the master bedroom suite including a seating area and patio doors leading to a terrace

There are six bedrooms, with the master bedroom suite including a seating area and patio doors leading to a terrace

The master bedroom has an ensuite with 'his' and 'her' sinks and a bath with views of the garden

The master bedroom has an ensuite with ‘his’ and ‘her’ sinks and a bath with views of the garden

The extensive dressing room adds to the appeal of the bedroom suite at Grosvenor House

The extensive dressing room adds to the appeal of the bedroom suite at Grosvenor House

There are striking black doors throughout the property, including in the master bedroom - where there is also a fireplace

There are striking black doors throughout the property, including in the master bedroom – where there is also a fireplace